## gate{docsify-ignore}
**Kind**: global class
**Extends**: Exchange
* [fetchMarkets](#fetchmarkets)
* [fetchCurrencies](#fetchcurrencies)
* [fetchFundingRate](#fetchfundingrate)
* [fetchFundingRates](#fetchfundingrates)
* [fetchDepositAddress](#fetchdepositaddress)
* [fetchTradingFee](#fetchtradingfee)
* [fetchTradingFees](#fetchtradingfees)
* [fetchTransactionFees](#fetchtransactionfees)
* [fetchDepositWithdrawFees](#fetchdepositwithdrawfees)
* [fetchFundingHistory](#fetchfundinghistory)
* [fetchOrderBook](#fetchorderbook)
* [fetchTicker](#fetchticker)
* [fetchTickers](#fetchtickers)
* [fetchFundingRateHistory](#fetchfundingratehistory)
* [fetchTrades](#fetchtrades)
* [fetchOrderTrades](#fetchordertrades)
* [fetchMyTrades](#fetchmytrades)
* [fetchDeposits](#fetchdeposits)
* [fetchWithdrawals](#fetchwithdrawals)
* [withdraw](#withdraw)
* [createOrder](#createorder)
* [createOrders](#createorders)
* [createMarketBuyOrderWithCost](#createmarketbuyorderwithcost)
* [editOrder](#editorder)
* [fetchOrder](#fetchorder)
* [fetchOpenOrders](#fetchopenorders)
* [fetchClosedOrders](#fetchclosedorders)
* [cancelOrder](#cancelorder)
* [cancelOrders](#cancelorders)
* [cancelOrdersForSymbols](#cancelordersforsymbols)
* [cancelAllOrders](#cancelallorders)
* [transfer](#transfer)
* [setLeverage](#setleverage)
* [fetchPosition](#fetchposition)
* [fetchPositions](#fetchpositions)
* [fetchLeverageTiers](#fetchleveragetiers)
* [fetchMarketLeverageTiers](#fetchmarketleveragetiers)
* [repayMargin](#repaymargin)
* [repayCrossMargin](#repaycrossmargin)
* [borrowMargin](#borrowmargin)
* [borrowMargin](#borrowmargin)
* [reduceMargin](#reducemargin)
* [addMargin](#addmargin)
* [fetchOpenInterest](#fetchopeninterest)
* [fetchSettlementHistory](#fetchsettlementhistory)
* [fetchMySettlementHistory](#fetchmysettlementhistory)
* [fetchLedger](#fetchledger)
* [setPositionMode](#setpositionmode)
* [fetchUnderlyingAssets](#fetchunderlyingassets)
* [fetchLiquidations](#fetchliquidations)
* [fetchMyLiquidations](#fetchmyliquidations)
* [fetchGreeks](#fetchgreeks)
* [closePosition](#closeposition)
* [fetchLeverage](#fetchleverage)
* [fetchLeverages](#fetchleverages)
* [fetchOption](#fetchoption)
* [fetchOptionChain](#fetchoptionchain)
* [fetchPositionsHistory](#fetchpositionshistory)
* [createOrderWs](#createorderws)
* [createOrdersWs](#createordersws)
* [cancelAllOrdersWs](#cancelallordersws)
* [cancelOrderWs](#cancelorderws)
* [editOrderWs](#editorderws)
* [fetchOrderWs](#fetchorderws)
* [fetchOpenOrdersWs](#fetchopenordersws)
* [fetchClosedOrdersWs](#fetchclosedordersws)
* [fetchOrdersWs](#fetchordersws)
* [watchOrderBook](#watchorderbook)
* [unWatchOrderBook](#unwatchorderbook)
* [watchTicker](#watchticker)
* [watchTickers](#watchtickers)
* [watchBidsAsks](#watchbidsasks)
* [watchTrades](#watchtrades)
* [watchTradesForSymbols](#watchtradesforsymbols)
* [unWatchTradesForSymbols](#unwatchtradesforsymbols)
* [unWatchTrades](#unwatchtrades)
* [watchOHLCV](#watchohlcv)
* [watchMyTrades](#watchmytrades)
* [watchBalance](#watchbalance)
* [watchPositions](#watchpositions)
* [watchOrders](#watchorders)
* [watchMyLiquidations](#watchmyliquidations)
* [watchMyLiquidationsForSymbols](#watchmyliquidationsforsymbols)
### fetchMarkets{docsify-ignore}
retrieves data on all markets for gate
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- an array of objects representing market data
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-all-currency-pairs-supported // spot
- https://www.gate.io/docs/developers/apiv4/en/#list-all-supported-currency-pairs-supported-in-margin-trading // margin
- https://www.gate.io/docs/developers/apiv4/en/#list-all-futures-contracts // swap
- https://www.gate.io/docs/developers/apiv4/en/#list-all-futures-contracts-2 // future
- https://www.gate.io/docs/developers/apiv4/en/#list-all-the-contracts-with-specified-underlying-and-expiration-time // option
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchMarkets ([params])
```
### fetchCurrencies{docsify-ignore}
fetches all available currencies on an exchange
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an associative dictionary of currencies
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-all-currencies-details
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchCurrencies ([params])
```
### fetchFundingRate{docsify-ignore}
fetch the current funding rate
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [funding rate structure](https://docs.ccxt.com/#/?id=funding-rate-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#get-a-single-contract
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchFundingRate (symbol[, params])
```
### fetchFundingRates{docsify-ignore}
fetch the funding rate for multiple markets
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a dictionary of [funding rates structures](https://docs.ccxt.com/#/?id=funding-rates-structure), indexe by market symbols
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-all-futures-contracts
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
, undefined
| Yes | list of unified market symbols |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchFundingRates (symbols[, params])
```
### fetchDepositAddress{docsify-ignore}
fetch the deposit address for a currency associated with this account
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an [address structure](https://docs.ccxt.com/#/?id=address-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#generate-currency-deposit-address
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.network | string
| No | unified network code (not used directly by gate.io but used by ccxt to filter the response) |
```javascript
gate.fetchDepositAddress (code[, params])
```
### fetchTradingFee{docsify-ignore}
fetch the trading fees for a market
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [fee structure](https://docs.ccxt.com/#/?id=fee-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#retrieve-personal-trading-fee
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchTradingFee (symbol[, params])
```
### fetchTradingFees{docsify-ignore}
fetch the trading fees for multiple markets
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a dictionary of [fee structures](https://docs.ccxt.com/#/?id=fee-structure) indexed by market symbols
**See**: https://www.gate.io/docs/developers/apiv4/en/#retrieve-personal-trading-fee
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchTradingFees ([params])
```
### fetchTransactionFees{docsify-ignore}
`DEPRECATED`
please use fetchDepositWithdrawFees instead
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a list of [fee structures](https://docs.ccxt.com/#/?id=fee-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#retrieve-withdrawal-status
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| codes | Array<string>
, undefined
| Yes | list of unified currency codes |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchTransactionFees (codes[, params])
```
### fetchDepositWithdrawFees{docsify-ignore}
fetch deposit and withdraw fees
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a list of [fee structures](https://docs.ccxt.com/#/?id=fee-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#retrieve-withdrawal-status
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| codes | Array<string>
, undefined
| Yes | list of unified currency codes |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchDepositWithdrawFees (codes[, params])
```
### fetchFundingHistory{docsify-ignore}
fetch the history of funding payments paid and received on this account
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [funding history structure](https://docs.ccxt.com/#/?id=funding-history-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#query-account-book-2
- https://www.gate.io/docs/developers/apiv4/en/#query-account-book-3
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch funding history for |
| limit | int
| No | the maximum number of funding history structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchFundingHistory (symbol[, since, limit, params])
```
### fetchOrderBook{docsify-ignore}
fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- A dictionary of [order book structures](https://docs.ccxt.com/#/?id=order-book-structure) indexed by market symbols
**See**
- https://www.gate.io/docs/developers/apiv4/en/#retrieve-order-book
- https://www.gate.io/docs/developers/apiv4/en/#futures-order-book
- https://www.gate.io/docs/developers/apiv4/en/#futures-order-book-2
- https://www.gate.io/docs/developers/apiv4/en/#options-order-book
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the order book for |
| limit | int
| No | the maximum amount of order book entries to return |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchOrderBook (symbol[, limit, params])
```
### fetchTicker{docsify-ignore}
fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#get-details-of-a-specifc-order
- https://www.gate.io/docs/developers/apiv4/en/#list-futures-tickers
- https://www.gate.io/docs/developers/apiv4/en/#list-futures-tickers-2
- https://www.gate.io/docs/developers/apiv4/en/#list-tickers-of-options-contracts
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the ticker for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchTicker (symbol[, params])
```
### fetchTickers{docsify-ignore}
fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a dictionary of [ticker structures](https://docs.ccxt.com/#/?id=ticker-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#get-details-of-a-specifc-order
- https://www.gate.io/docs/developers/apiv4/en/#list-futures-tickers
- https://www.gate.io/docs/developers/apiv4/en/#list-futures-tickers-2
- https://www.gate.io/docs/developers/apiv4/en/#list-tickers-of-options-contracts
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
, undefined
| Yes | unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchTickers (symbols[, params])
```
### fetchFundingRateHistory{docsify-ignore}
fetches historical funding rate prices
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [funding rate structures](https://docs.ccxt.com/#/?id=funding-rate-history-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#funding-rate-history
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the funding rate history for |
| since | int
| No | timestamp in ms of the earliest funding rate to fetch |
| limit | int
| No | the maximum amount of [funding rate structures](https://docs.ccxt.com/#/?id=funding-rate-history-structure) to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchFundingRateHistory (symbol[, since, limit, params])
```
### fetchTrades{docsify-ignore}
get the list of most recent trades for a particular symbol
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<Trade>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#retrieve-market-trades
- https://www.gate.io/docs/developers/apiv4/en/#futures-trading-history
- https://www.gate.io/docs/developers/apiv4/en/#futures-trading-history-2
- https://www.gate.io/docs/developers/apiv4/en/#options-trade-history
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch trades for |
| since | int
| No | timestamp in ms of the earliest trade to fetch |
| limit | int
| No | the maximum amount of trades to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.until | int
| No | timestamp in ms of the latest trade to fetch |
| params.paginate | boolean
| No | default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params) |
```javascript
gate.fetchTrades (symbol[, since, limit, params])
```
### fetchOrderTrades{docsify-ignore}
fetch all the trades made from a single order
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history-2
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history-3
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history-4
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | order id |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch trades for |
| limit | int
| No | the maximum number of trades to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchOrderTrades (id, symbol[, since, limit, params])
```
### fetchMyTrades{docsify-ignore}
Fetch personal trading history
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<Trade>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history-2
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history-3
- https://www.gate.io/docs/developers/apiv4/en/#list-personal-trading-history-4
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch trades for |
| limit | int
| No | the maximum number of trades structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.marginMode | string
| No | 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used |
| params.type | string
| No | 'spot', 'swap', or 'future', if not provided this.options['defaultMarginMode'] is used |
| params.until | int
| No | The latest timestamp, in ms, that fetched trades were made |
| params.page | int
| No | *spot only* Page number |
| params.order_id | string
| No | *spot only* Filter trades with specified order ID. symbol is also required if this field is present |
| params.order | string
| No | *contract only* Futures order ID, return related data only if specified |
| params.offset | int
| No | *contract only* list offset, starting from 0 |
| params.last_id | string
| No | *contract only* specify list staring point using the id of last record in previous list-query results |
| params.count_total | int
| No | *contract only* whether to return total number matched, default to 0(no return) |
| params.paginate | boolean
| No | default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params) |
```javascript
gate.fetchMyTrades (symbol[, since, limit, params])
```
### fetchDeposits{docsify-ignore}
fetch all deposits made to an account
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [transaction structures](https://docs.ccxt.com/#/?id=transaction-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#retrieve-deposit-records
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code |
| since | int
| No | the earliest time in ms to fetch deposits for |
| limit | int
| No | the maximum number of deposits structures to retrieve |
| params.until | int
| No | end time in ms |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.paginate | boolean
| No | default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params) |
```javascript
gate.fetchDeposits (code[, since, limit, params])
```
### fetchWithdrawals{docsify-ignore}
fetch all withdrawals made from an account
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [transaction structures](https://docs.ccxt.com/#/?id=transaction-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#retrieve-withdrawal-records
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code |
| since | int
| No | the earliest time in ms to fetch withdrawals for |
| limit | int
| No | the maximum number of withdrawals structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.until | int
| No | end time in ms |
| params.paginate | boolean
| No | default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params) |
```javascript
gate.fetchWithdrawals (code[, since, limit, params])
```
### withdraw{docsify-ignore}
make a withdrawal
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [transaction structure](https://docs.ccxt.com/#/?id=transaction-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#withdraw
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code |
| amount | float
| Yes | the amount to withdraw |
| address | string
| Yes | the address to withdraw to |
| tag | string
| Yes | |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.withdraw (code, amount, address, tag[, params])
```
### createOrder{docsify-ignore}
Create an order on the exchange
**Kind**: instance method of [gate
](#gate)
**Returns**: object
\| undefined
- [An order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#create-an-order
- https://www.gate.io/docs/developers/apiv4/en/#create-a-price-triggered-order
- https://www.gate.io/docs/developers/apiv4/en/#create-a-futures-order
- https://www.gate.io/docs/developers/apiv4/en/#create-a-price-triggered-order-2
- https://www.gate.io/docs/developers/apiv4/en/#create-a-futures-order-2
- https://www.gate.io/docs/developers/apiv4/en/#create-a-price-triggered-order-3
- https://www.gate.io/docs/developers/apiv4/en/#create-an-options-order
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | Unified CCXT market symbol |
| type | string
| Yes | 'limit' or 'market' *"market" is contract only* |
| side | string
| Yes | 'buy' or 'sell' |
| amount | float
| Yes | the amount of currency to trade |
| price | float
| No | the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.stopPrice | float
| No | The price at which a trigger order is triggered at |
| params.timeInForce | string
| No | "GTC", "IOC", or "PO" |
| params.stopLossPrice | float
| No | The price at which a stop loss order is triggered at |
| params.takeProfitPrice | float
| No | The price at which a take profit order is triggered at |
| params.marginMode | string
| No | 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used |
| params.iceberg | int
| No | Amount to display for the iceberg order, Null or 0 for normal orders, Set to -1 to hide the order completely |
| params.text | string
| No | User defined information |
| params.account | string
| No | *spot and margin only* "spot", "margin" or "cross_margin" |
| params.auto_borrow | bool
| No | *margin only* Used in margin or cross margin trading to allow automatic loan of insufficient amount if balance is not enough |
| params.settle | string
| No | *contract only* Unified Currency Code for settle currency |
| params.reduceOnly | bool
| No | *contract only* Indicates if this order is to reduce the size of a position |
| params.close | bool
| No | *contract only* Set as true to close the position, with size set to 0 |
| params.auto_size | bool
| No | *contract only* Set side to close dual-mode position, close_long closes the long side, while close_short the short one, size also needs to be set to 0 |
| params.price_type | int
| No | *contract only* 0 latest deal price, 1 mark price, 2 index price |
| params.cost | float
| No | *spot market buy only* the quote quantity that can be used as an alternative for the amount |
```javascript
gate.createOrder (symbol, type, side, amount[, price, params])
```
### createOrders{docsify-ignore}
create a list of trade orders
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#get-a-single-order-2
- https://www.gate.io/docs/developers/apiv4/en/#create-a-batch-of-orders
- https://www.gate.io/docs/developers/apiv4/en/#create-a-batch-of-futures-orders
| Param | Type | Description |
| --- | --- | --- |
| orders | Array
| list of orders to create, each object should contain the parameters required by createOrder, namely symbol, type, side, amount, price and params |
```javascript
gate.createOrders (orders, [undefined])
```
### createMarketBuyOrderWithCost{docsify-ignore}
create a market buy order by providing the symbol and cost
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#create-an-order
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to create an order in |
| cost | float
| Yes | how much you want to trade in units of the quote currency |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.createMarketBuyOrderWithCost (symbol, cost[, params])
```
### editOrder{docsify-ignore}
edit a trade order, gate currently only supports the modification of the price or amount fields
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#amend-an-order
- https://www.gate.io/docs/developers/apiv4/en/#amend-an-order-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | order id |
| symbol | string
| Yes | unified symbol of the market to create an order in |
| type | string
| Yes | 'market' or 'limit' |
| side | string
| Yes | 'buy' or 'sell' |
| amount | float
| Yes | how much of the currency you want to trade in units of the base currency |
| price | float
| No | the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.editOrder (id, symbol, type, side, amount[, price, params])
```
### fetchOrder{docsify-ignore}
Retrieves information on an order
**Kind**: instance method of [gate
](#gate)
**Returns**: An [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#get-a-single-order
- https://www.gate.io/docs/developers/apiv4/en/#get-a-single-order-2
- https://www.gate.io/docs/developers/apiv4/en/#get-a-single-order-3
- https://www.gate.io/docs/developers/apiv4/en/#get-a-single-order-4
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | Order id |
| symbol | string
| Yes | Unified market symbol, *required for spot and margin* |
| params | object
| No | Parameters specified by the exchange api |
| params.trigger | bool
| No | True if the order being fetched is a trigger order |
| params.marginMode | string
| No | 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used |
| params.type | string
| No | 'spot', 'swap', or 'future', if not provided this.options['defaultMarginMode'] is used |
| params.settle | string
| No | 'btc' or 'usdt' - settle currency for perpetual swap and future - market settle currency is used if symbol !== undefined, default="usdt" for swap and "btc" for future |
```javascript
gate.fetchOrder (id, symbol[, params])
```
### fetchOpenOrders{docsify-ignore}
fetch all unfilled currently open orders
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-all-open-orders
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch open orders for |
| limit | int
| No | the maximum number of open orders structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.stop | bool
| No | true for fetching stop orders |
| params.type | string
| No | spot, margin, swap or future, if not provided this.options['defaultType'] is used |
| params.marginMode | string
| No | 'cross' or 'isolated' - marginMode for type='margin', if not provided this.options['defaultMarginMode'] is used |
```javascript
gate.fetchOpenOrders (symbol[, since, limit, params])
```
### fetchClosedOrders{docsify-ignore}
fetches information on multiple closed orders made by the user
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-orders
- https://www.gate.io/docs/developers/apiv4/en/#retrieve-running-auto-order-list
- https://www.gate.io/docs/developers/apiv4/en/#list-futures-orders
- https://www.gate.io/docs/developers/apiv4/en/#list-all-auto-orders
- https://www.gate.io/docs/developers/apiv4/en/#list-futures-orders-2
- https://www.gate.io/docs/developers/apiv4/en/#list-all-auto-orders-2
- https://www.gate.io/docs/developers/apiv4/en/#list-options-orders
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market orders were made in |
| since | int
| No | the earliest time in ms to fetch orders for |
| limit | int
| No | the maximum number of order structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.stop | bool
| No | true for fetching stop orders |
| params.type | string
| No | spot, swap or future, if not provided this.options['defaultType'] is used |
| params.marginMode | string
| No | 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used |
```javascript
gate.fetchClosedOrders (symbol[, since, limit, params])
```
### cancelOrder{docsify-ignore}
Cancels an open order
**Kind**: instance method of [gate
](#gate)
**Returns**: An [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#cancel-a-single-order
- https://www.gate.io/docs/developers/apiv4/en/#cancel-a-single-order-2
- https://www.gate.io/docs/developers/apiv4/en/#cancel-a-single-order-3
- https://www.gate.io/docs/developers/apiv4/en/#cancel-a-single-order-4
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | Order id |
| symbol | string
| Yes | Unified market symbol |
| params | object
| No | Parameters specified by the exchange api |
| params.stop | bool
| No | True if the order to be cancelled is a trigger order |
```javascript
gate.cancelOrder (id, symbol[, params])
```
### cancelOrders{docsify-ignore}
cancel multiple orders
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#cancel-a-batch-of-orders-with-an-id-list
- https://www.gate.io/docs/developers/apiv4/en/#cancel-a-batch-of-orders-with-an-id-list-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| ids | Array<string>
| Yes | order ids |
| symbol | string
| Yes | unified symbol of the market the order was made in |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.cancelOrders (ids, symbol[, params])
```
### cancelOrdersForSymbols{docsify-ignore}
cancel multiple orders for multiple symbols
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#cancel-a-batch-of-orders-with-an-id-list
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| orders | Array<CancellationRequest>
| Yes | list of order ids with symbol, example [{"id": "a", "symbol": "BTC/USDT"}, {"id": "b", "symbol": "ETH/USDT"}] |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.clientOrderIds | Array<string>
| No | client order ids |
```javascript
gate.cancelOrdersForSymbols (orders[, params])
```
### cancelAllOrders{docsify-ignore}
cancel all open orders
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#cancel-all-open-orders-in-specified-currency-pair
- https://www.gate.io/docs/developers/apiv4/en/#cancel-all-open-orders-matched
- https://www.gate.io/docs/developers/apiv4/en/#cancel-all-open-orders-matched-2
- https://www.gate.io/docs/developers/apiv4/en/#cancel-all-open-orders-matched-3
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol, only orders in the market of this symbol are cancelled when symbol is not undefined |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.cancelAllOrders (symbol[, params])
```
### transfer{docsify-ignore}
transfer currency internally between wallets on the same account
**Kind**: instance method of [gate
](#gate)
**Returns**: A [transfer structure](https://docs.ccxt.com/#/?id=transfer-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#transfer-between-trading-accounts
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code for currency being transferred |
| amount | float
| Yes | the amount of currency to transfer |
| fromAccount | string
| Yes | the account to transfer currency from |
| toAccount | string
| Yes | the account to transfer currency to |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.symbol | string
| No | Unified market symbol *required for type == margin* |
```javascript
gate.transfer (code, amount, fromAccount, toAccount[, params])
```
### setLeverage{docsify-ignore}
set the level of leverage for a market
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- response from the exchange
**See**
- https://www.gate.io/docs/developers/apiv4/en/#update-position-leverage
- https://www.gate.io/docs/developers/apiv4/en/#update-position-leverage-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| leverage | float
| Yes | the rate of leverage |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.setLeverage (leverage, symbol[, params])
```
### fetchPosition{docsify-ignore}
fetch data on an open contract position
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [position structure](https://docs.ccxt.com/#/?id=position-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#get-single-position
- https://www.gate.io/docs/developers/apiv4/en/#get-single-position-2
- https://www.gate.io/docs/developers/apiv4/en/#get-specified-contract-position
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market the position is held in |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchPosition (symbol[, params])
```
### fetchPositions{docsify-ignore}
fetch all open positions
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [position structure](https://docs.ccxt.com/#/?id=position-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-all-positions-of-a-user
- https://www.gate.io/docs/developers/apiv4/en/#list-all-positions-of-a-user-2
- https://www.gate.io/docs/developers/apiv4/en/#list-user-s-positions-of-specified-underlying
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
, undefined
| Yes | Not used by gate, but parsed internally by CCXT |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.settle | string
| No | 'btc' or 'usdt' - settle currency for perpetual swap and future - default="usdt" for swap and "btc" for future |
| params.type | string
| No | swap, future or option, if not provided this.options['defaultType'] is used |
```javascript
gate.fetchPositions (symbols[, params])
```
### fetchLeverageTiers{docsify-ignore}
retrieve information on the maximum leverage, and maintenance margin for trades of varying trade sizes
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a dictionary of [leverage tiers structures](https://docs.ccxt.com/#/?id=leverage-tiers-structure), indexed by market symbols
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-all-futures-contracts
- https://www.gate.io/docs/developers/apiv4/en/#list-all-futures-contracts-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
| No | list of unified market symbols |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchLeverageTiers ([symbols, params])
```
### fetchMarketLeverageTiers{docsify-ignore}
retrieve information on the maximum leverage, and maintenance margin for trades of varying trade sizes for a single market
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [leverage tiers structure](https://docs.ccxt.com/#/?id=leverage-tiers-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-risk-limit-tiers
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchMarketLeverageTiers (symbol[, params])
```
### repayMargin{docsify-ignore}
repay borrowed margin and interest
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [margin loan structure](https://docs.ccxt.com/#/?id=margin-loan-structure)
**See**: https://www.gate.io/docs/apiv4/en/#repay-a-loan
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| code | string
| Yes | unified currency code of the currency to repay |
| amount | float
| Yes | the amount to repay |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.mode | string
| No | 'all' or 'partial' payment mode, extra parameter required for isolated margin |
| params.id | string
| No | '34267567' loan id, extra parameter required for isolated margin |
```javascript
gate.repayMargin (symbol, code, amount[, params])
```
### repayCrossMargin{docsify-ignore}
repay cross margin borrowed margin and interest
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [margin loan structure](https://docs.ccxt.com/#/?id=margin-loan-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#cross-margin-repayments
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code of the currency to repay |
| amount | float
| Yes | the amount to repay |
| symbol | string
| Yes | unified market symbol, required for isolated margin |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.mode | string
| No | 'all' or 'partial' payment mode, extra parameter required for isolated margin |
| params.id | string
| No | '34267567' loan id, extra parameter required for isolated margin |
```javascript
gate.repayCrossMargin (code, amount, symbol[, params])
```
### borrowMargin{docsify-ignore}
create a loan to borrow margin
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [margin loan structure](https://docs.ccxt.com/#/?id=margin-loan-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#marginuni
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code of the currency to borrow |
| amount | float
| Yes | the amount to borrow |
| symbol | string
| Yes | unified market symbol, required for isolated margin |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.rate | string
| No | '0.0002' or '0.002' extra parameter required for isolated margin |
```javascript
gate.borrowMargin (code, amount, symbol[, params])
```
### borrowMargin{docsify-ignore}
create a loan to borrow margin
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [margin loan structure](https://docs.ccxt.com/#/?id=margin-loan-structure)
**See**: https://www.gate.io/docs/apiv4/en/#create-a-cross-margin-borrow-loan
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code of the currency to borrow |
| amount | float
| Yes | the amount to borrow |
| symbol | string
| Yes | unified market symbol, required for isolated margin |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.rate | string
| No | '0.0002' or '0.002' extra parameter required for isolated margin |
```javascript
gate.borrowMargin (code, amount, symbol[, params])
```
### reduceMargin{docsify-ignore}
remove margin from a position
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [margin structure](https://docs.ccxt.com/#/?id=reduce-margin-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#update-position-margin
- https://www.gate.io/docs/developers/apiv4/en/#update-position-margin-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| amount | float
| Yes | the amount of margin to remove |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.reduceMargin (symbol, amount[, params])
```
### addMargin{docsify-ignore}
add margin
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [margin structure](https://docs.ccxt.com/#/?id=add-margin-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#update-position-margin
- https://www.gate.io/docs/developers/apiv4/en/#update-position-margin-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| amount | float
| Yes | amount of margin to add |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.addMargin (symbol, amount[, params])
```
### fetchOpenInterest{docsify-ignore}
Retrieves the open interest of a currency
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an open interest structure[https://docs.ccxt.com/#/?id=open-interest-structure](https://docs.ccxt.com/#/?id=open-interest-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#futures-stats
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | Unified CCXT market symbol |
| timeframe | string
| Yes | "5m", "15m", "30m", "1h", "4h", "1d" |
| since | int
| No | the time(ms) of the earliest record to retrieve as a unix timestamp |
| limit | int
| No | default 30 |
| params | object
| No | exchange specific parameters |
| params.paginate | boolean
| No | default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params) |
```javascript
gate.fetchOpenInterest (symbol, timeframe[, since, limit, params])
```
### fetchSettlementHistory{docsify-ignore}
fetches historical settlement records
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [settlement history objects](https://docs.ccxt.com/#/?id=settlement-history-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-settlement-history-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the settlement history, required on gate |
| since | int
| No | timestamp in ms |
| limit | int
| No | number of records |
| params | object
| No | exchange specific params |
```javascript
gate.fetchSettlementHistory (symbol[, since, limit, params])
```
### fetchMySettlementHistory{docsify-ignore}
fetches historical settlement records of the user
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [settlement history objects]
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-my-options-settlements
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the settlement history |
| since | int
| No | timestamp in ms |
| limit | int
| No | number of records |
| params | object
| No | exchange specific params |
```javascript
gate.fetchMySettlementHistory (symbol[, since, limit, params])
```
### fetchLedger{docsify-ignore}
fetch the history of changes, actions done by the user or operations that altered the balance of the user
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [ledger structure](https://docs.ccxt.com/#/?id=ledger-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#query-account-book
- https://www.gate.io/docs/developers/apiv4/en/#list-margin-account-balance-change-history
- https://www.gate.io/docs/developers/apiv4/en/#query-account-book-2
- https://www.gate.io/docs/developers/apiv4/en/#query-account-book-3
- https://www.gate.io/docs/developers/apiv4/en/#list-account-changing-history
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code |
| since | int
| No | timestamp in ms of the earliest ledger entry |
| limit | int
| No | max number of ledger entries to return |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.until | int
| No | end time in ms |
| params.paginate | boolean
| No | default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params) |
```javascript
gate.fetchLedger (code[, since, limit, params])
```
### setPositionMode{docsify-ignore}
set dual/hedged mode to true or false for a swap market, make sure all positions are closed and no orders are open before setting dual mode
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- response from the exchange
**See**: https://www.gate.io/docs/developers/apiv4/en/#enable-or-disable-dual-mode
| Param | Type | Description |
| --- | --- | --- |
| hedged | bool
| set to true to enable dual mode |
| symbol | string
, undefined
| if passed, dual mode is set for all markets with the same settle currency |
| params | object
| extra parameters specific to the exchange API endpoint |
| params.settle | string
| settle currency |
```javascript
gate.setPositionMode (hedged, symbol, params[])
```
### fetchUnderlyingAssets{docsify-ignore}
fetches the market ids of underlying assets for a specific contract market type
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [underlying assets](https://docs.ccxt.com/#/?id=underlying-assets-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-all-underlyings
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | exchange specific params |
| params.type | string
| No | the contract market type, 'option', 'swap' or 'future', the default is 'option' |
```javascript
gate.fetchUnderlyingAssets ([params])
```
### fetchLiquidations{docsify-ignore}
retrieves the public liquidations of a trading pair
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an array of [liquidation structures](https://docs.ccxt.com/#/?id=liquidation-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#retrieve-liquidation-history
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified CCXT market symbol |
| since | int
| No | the earliest time in ms to fetch liquidations for |
| limit | int
| No | the maximum number of liquidation structures to retrieve |
| params | object
| No | exchange specific parameters for the exchange API endpoint |
| params.until | int
| No | timestamp in ms of the latest liquidation |
```javascript
gate.fetchLiquidations (symbol[, since, limit, params])
```
### fetchMyLiquidations{docsify-ignore}
retrieves the users liquidated positions
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an array of [liquidation structures](https://docs.ccxt.com/#/?id=liquidation-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-liquidation-history
- https://www.gate.io/docs/developers/apiv4/en/#list-liquidation-history-2
- https://www.gate.io/docs/developers/apiv4/en/#list-user-s-liquidation-history-of-specified-underlying
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified CCXT market symbol |
| since | int
| No | the earliest time in ms to fetch liquidations for |
| limit | int
| No | the maximum number of liquidation structures to retrieve |
| params | object
| No | exchange specific parameters for the exchange API endpoint |
```javascript
gate.fetchMyLiquidations (symbol[, since, limit, params])
```
### fetchGreeks{docsify-ignore}
fetches an option contracts greeks, financial metrics used to measure the factors that affect the price of an options contract
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [greeks structure](https://docs.ccxt.com/#/?id=greeks-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-tickers-of-options-contracts
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch greeks for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchGreeks (symbol[, params])
```
### closePosition{docsify-ignore}
closes open positions for a market
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- [A list of position structures](https://docs.ccxt.com/#/?id=position-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#create-a-futures-order
- https://www.gate.io/docs/developers/apiv4/en/#create-a-futures-order-2
- https://www.gate.io/docs/developers/apiv4/en/#create-an-options-order
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | Unified CCXT market symbol |
| side | string
| Yes | 'buy' or 'sell' |
| params | object
| No | extra parameters specific to the okx api endpoint |
```javascript
gate.closePosition (symbol, side[, params])
```
### fetchLeverage{docsify-ignore}
fetch the set leverage for a market
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [leverage structure](https://docs.ccxt.com/#/?id=leverage-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#get-unified-account-information
- https://www.gate.io/docs/developers/apiv4/en/#get-detail-of-lending-market
- https://www.gate.io/docs/developers/apiv4/en/#query-one-single-margin-currency-pair-deprecated
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.unified | boolean
| No | default false, set to true for fetching the unified accounts leverage |
```javascript
gate.fetchLeverage (symbol[, params])
```
### fetchLeverages{docsify-ignore}
fetch the set leverage for all leverage markets, only spot margin is supported on gate
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a list of [leverage structures](https://docs.ccxt.com/#/?id=leverage-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/en/#list-lending-markets
- https://www.gate.io/docs/developers/apiv4/en/#list-all-supported-currency-pairs-supported-in-margin-trading-deprecated
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
| Yes | a list of unified market symbols |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.unified | boolean
| No | default false, set to true for fetching unified account leverages |
```javascript
gate.fetchLeverages (symbols[, params])
```
### fetchOption{docsify-ignore}
fetches option data that is commonly found in an option chain
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an [option chain structure](https://docs.ccxt.com/#/?id=option-chain-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#query-specified-contract-detail
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchOption (symbol[, params])
```
### fetchOptionChain{docsify-ignore}
fetches data for an underlying asset that is commonly found in an option chain
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a list of [option chain structures](https://docs.ccxt.com/#/?id=option-chain-structure)
**See**: https://www.gate.io/docs/developers/apiv4/en/#list-all-the-contracts-with-specified-underlying-and-expiration-time
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| currency | string
| Yes | base currency to fetch an option chain for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.underlying | string
| No | the underlying asset, can be obtained from fetchUnderlyingAssets () |
| params.expiration | int
| No | unix timestamp of the expiration time |
```javascript
gate.fetchOptionChain (currency[, params])
```
### fetchPositionsHistory{docsify-ignore}
fetches historical positions
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [position structures](https://docs.ccxt.com/#/?id=position-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/#list-position-close-history
- https://www.gate.io/docs/developers/apiv4/#list-position-close-history-2
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
| Yes | unified conract symbols, must all have the same settle currency and the same market type |
| since | int
| No | the earliest time in ms to fetch positions for |
| limit | int
| No | the maximum amount of records to fetch, default=1000 |
| params | object
| Yes | extra parameters specific to the exchange api endpoint |
| params.until | int
| No | the latest time in ms to fetch positions for EXCHANGE SPECIFIC PARAMETERS |
| offset | int
| Yes | list offset, starting from 0 |
| side | string
| Yes | long or short |
| pnl | string
| Yes | query profit or loss |
```javascript
gate.fetchPositionsHistory (symbols[, since, limit, params, offset, side, pnl])
```
### createOrderWs{docsify-ignore}
Create an order on the exchange
**Kind**: instance method of [gate
](#gate)
**Returns**: object
\| undefined
- [An order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/ws/en/#order-place
- https://www.gate.io/docs/developers/futures/ws/en/#order-place
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | Unified CCXT market symbol |
| type | string
| Yes | 'limit' or 'market' *"market" is contract only* |
| side | string
| Yes | 'buy' or 'sell' |
| amount | float
| Yes | the amount of currency to trade |
| price | float
| No | *ignored in "market" orders* the price at which the order is to be fulfilled at in units of the quote currency |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.stopPrice | float
| No | The price at which a trigger order is triggered at |
| params.timeInForce | string
| No | "GTC", "IOC", or "PO" |
| params.stopLossPrice | float
| No | The price at which a stop loss order is triggered at |
| params.takeProfitPrice | float
| No | The price at which a take profit order is triggered at |
| params.marginMode | string
| No | 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used |
| params.iceberg | int
| No | Amount to display for the iceberg order, Null or 0 for normal orders, Set to -1 to hide the order completely |
| params.text | string
| No | User defined information |
| params.account | string
| No | *spot and margin only* "spot", "margin" or "cross_margin" |
| params.auto_borrow | bool
| No | *margin only* Used in margin or cross margin trading to allow automatic loan of insufficient amount if balance is not enough |
| params.settle | string
| No | *contract only* Unified Currency Code for settle currency |
| params.reduceOnly | bool
| No | *contract only* Indicates if this order is to reduce the size of a position |
| params.close | bool
| No | *contract only* Set as true to close the position, with size set to 0 |
| params.auto_size | bool
| No | *contract only* Set side to close dual-mode position, close_long closes the long side, while close_short the short one, size also needs to be set to 0 |
| params.price_type | int
| No | *contract only* 0 latest deal price, 1 mark price, 2 index price |
| params.cost | float
| No | *spot market buy only* the quote quantity that can be used as an alternative for the amount |
```javascript
gate.createOrderWs (symbol, type, side, amount[, price, params])
```
### createOrdersWs{docsify-ignore}
create a list of trade orders
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://www.gate.io/docs/developers/futures/ws/en/#order-batch-place
| Param | Type | Description |
| --- | --- | --- |
| orders | Array
| list of orders to create, each object should contain the parameters required by createOrder, namely symbol, type, side, amount, price and params |
```javascript
gate.createOrdersWs (orders, [undefined])
```
### cancelAllOrdersWs{docsify-ignore}
cancel all open orders
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/futures/ws/en/#cancel-all-open-orders-matched
- https://www.gate.io/docs/developers/apiv4/ws/en/#order-cancel-all-with-specified-currency-pair
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol, only orders in the market of this symbol are cancelled when symbol is not undefined |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.channel | string
| No | the channel to use, defaults to spot.order_cancel_cp or futures.order_cancel_cp |
```javascript
gate.cancelAllOrdersWs (symbol[, params])
```
### cancelOrderWs{docsify-ignore}
Cancels an open order
**Kind**: instance method of [gate
](#gate)
**Returns**: An [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/ws/en/#order-cancel
- https://www.gate.io/docs/developers/futures/ws/en/#order-cancel
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | Order id |
| symbol | string
| Yes | Unified market symbol |
| params | object
| No | Parameters specified by the exchange api |
| params.stop | bool
| No | True if the order to be cancelled is a trigger order |
```javascript
gate.cancelOrderWs (id, symbol[, params])
```
### editOrderWs{docsify-ignore}
edit a trade order, gate currently only supports the modification of the price or amount fields
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/ws/en/#order-amend
- https://www.gate.io/docs/developers/futures/ws/en/#order-amend
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | order id |
| symbol | string
| Yes | unified symbol of the market to create an order in |
| type | string
| Yes | 'market' or 'limit' |
| side | string
| Yes | 'buy' or 'sell' |
| amount | float
| Yes | how much of the currency you want to trade in units of the base currency |
| price | float
| No | the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.editOrderWs (id, symbol, type, side, amount[, price, params])
```
### fetchOrderWs{docsify-ignore}
Retrieves information on an order
**Kind**: instance method of [gate
](#gate)
**Returns**: An [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/ws/en/#order-status
- https://www.gate.io/docs/developers/futures/ws/en/#order-status
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | Order id |
| symbol | string
| Yes | Unified market symbol, *required for spot and margin* |
| params | object
| No | Parameters specified by the exchange api |
| params.stop | bool
| No | True if the order being fetched is a trigger order |
| params.marginMode | string
| No | 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used |
| params.type | string
| No | 'spot', 'swap', or 'future', if not provided this.options['defaultMarginMode'] is used |
| params.settle | string
| No | 'btc' or 'usdt' - settle currency for perpetual swap and future - market settle currency is used if symbol !== undefined, default="usdt" for swap and "btc" for future |
```javascript
gate.fetchOrderWs (id, symbol[, params])
```
### fetchOpenOrdersWs{docsify-ignore}
fetch all unfilled currently open orders
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://www.gate.io/docs/developers/futures/ws/en/#order-list
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch open orders for |
| limit | int
| No | the maximum number of open orders structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchOpenOrdersWs (symbol[, since, limit, params])
```
### fetchClosedOrdersWs{docsify-ignore}
fetches information on multiple closed orders made by the user
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://www.gate.io/docs/developers/futures/ws/en/#order-list
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market orders were made in |
| since | int
| No | the earliest time in ms to fetch orders for |
| limit | int
| No | the maximum number of order structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.fetchClosedOrdersWs (symbol[, since, limit, params])
```
### fetchOrdersWs{docsify-ignore}
fetches information on multiple orders made by the user by status
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://www.gate.io/docs/developers/futures/ws/en/#order-list
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market orders were made in |
| since | int
, undefined
| No | the earliest time in ms to fetch orders for |
| limit | int
, undefined
| No | the maximum number of order structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.orderId | int
| No | order id to begin at |
| params.limit | int
| No | the maximum number of order structures to retrieve |
```javascript
gate.fetchOrdersWs (symbol[, since, limit, params])
```
### watchOrderBook{docsify-ignore}
watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- A dictionary of [order book structures](https://docs.ccxt.com/#/?id=order-book-structure) indexed by market symbols
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the order book for |
| limit | int
| No | the maximum amount of order book entries to return |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchOrderBook (symbol[, limit, params])
```
### unWatchOrderBook{docsify-ignore}
unWatches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- A dictionary of [order book structures](https://docs.ccxt.com/#/?id=order-book-structure) indexed by market symbols
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the order book for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.unWatchOrderBook (symbol[, params])
```
### watchTicker{docsify-ignore}
watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**: https://www.gate.io/docs/developers/apiv4/ws/en/#tickers-channel
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the ticker for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchTicker (symbol[, params])
```
### watchTickers{docsify-ignore}
watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**: https://www.gate.io/docs/developers/apiv4/ws/en/#tickers-channel
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
| Yes | unified symbol of the market to fetch the ticker for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchTickers (symbols[, params])
```
### watchBidsAsks{docsify-ignore}
watches best bid & ask for symbols
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**
- https://www.gate.io/docs/developers/apiv4/ws/en/#best-bid-or-ask-price
- https://www.gate.io/docs/developers/apiv4/ws/en/#order-book-channel
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
| Yes | unified symbol of the market to fetch the ticker for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchBidsAsks (symbols[, params])
```
### watchTrades{docsify-ignore}
get the list of most recent trades for a particular symbol
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch trades for |
| since | int
| No | timestamp in ms of the earliest trade to fetch |
| limit | int
| No | the maximum amount of trades to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchTrades (symbol[, since, limit, params])
```
### watchTradesForSymbols{docsify-ignore}
get the list of most recent trades for a particular symbol
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch trades for |
| since | int
| No | timestamp in ms of the earliest trade to fetch |
| limit | int
| No | the maximum amount of trades to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchTradesForSymbols (symbol[, since, limit, params])
```
### unWatchTradesForSymbols{docsify-ignore}
get the list of most recent trades for a particular symbol
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch trades for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.unWatchTradesForSymbols (symbol[, params])
```
### unWatchTrades{docsify-ignore}
get the list of most recent trades for a particular symbol
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch trades for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.unWatchTrades (symbol[, params])
```
### watchOHLCV{docsify-ignore}
watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<Array<int>>
- A list of candles ordered as timestamp, open, high, low, close, volume
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch OHLCV data for |
| timeframe | string
| Yes | the length of time each candle represents |
| since | int
| No | timestamp in ms of the earliest candle to fetch |
| limit | int
| No | the maximum amount of candles to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchOHLCV (symbol, timeframe[, since, limit, params])
```
### watchMyTrades{docsify-ignore}
watches information on multiple trades made by the user
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market trades were made in |
| since | int
| No | the earliest time in ms to fetch trades for |
| limit | int
| No | the maximum number of trade structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchMyTrades (symbol[, since, limit, params])
```
### watchBalance{docsify-ignore}
watch balance and get the amount of funds available for trading or funds locked in orders
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- a [balance structure](https://docs.ccxt.com/#/?id=balance-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
gate.watchBalance ([params])
```
### watchPositions{docsify-ignore}
watch all open positions
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [position structure](https://docs.ccxt.com/en/latest/manual.html#position-structure)
**See**
- https://www.gate.io/docs/developers/futures/ws/en/#positions-subscription
- https://www.gate.io/docs/developers/delivery/ws/en/#positions-subscription
- https://www.gate.io/docs/developers/options/ws/en/#positions-channel
| Param | Type | Description |
| --- | --- | --- |
| symbols | Array<string>
, undefined
| list of unified market symbols |
| params | object
| extra parameters specific to the exchange API endpoint |
```javascript
gate.watchPositions (symbols, params[])
```
### watchOrders{docsify-ignore}
watches information on multiple orders made by the user
**Kind**: instance method of [gate
](#gate)
**Returns**: Array<object>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market orders were made in |
| since | int
| No | the earliest time in ms to fetch orders for |
| limit | int
| No | the maximum number of order structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.type | string
| No | spot, margin, swap, future, or option. Required if listening to all symbols. |
| params.isInverse | boolean
| No | if future, listen to inverse or linear contracts |
```javascript
gate.watchOrders (symbol[, since, limit, params])
```
### watchMyLiquidations{docsify-ignore}
watch the public liquidations of a trading pair
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an array of [liquidation structures](https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure)
**See**
- https://www.gate.io/docs/developers/futures/ws/en/#liquidates-api
- https://www.gate.io/docs/developers/delivery/ws/en/#liquidates-api
- https://www.gate.io/docs/developers/options/ws/en/#liquidates-channel
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified CCXT market symbol |
| since | int
| No | the earliest time in ms to fetch liquidations for |
| limit | int
| No | the maximum number of liquidation structures to retrieve |
| params | object
| No | exchange specific parameters for the bitmex api endpoint |
```javascript
gate.watchMyLiquidations (symbol[, since, limit, params])
```
### watchMyLiquidationsForSymbols{docsify-ignore}
watch the private liquidations of a trading pair
**Kind**: instance method of [gate
](#gate)
**Returns**: object
- an array of [liquidation structures](https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure)
**See**
- https://www.gate.io/docs/developers/futures/ws/en/#liquidates-api
- https://www.gate.io/docs/developers/delivery/ws/en/#liquidates-api
- https://www.gate.io/docs/developers/options/ws/en/#liquidates-channel
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified CCXT market symbol |
| since | int
| No | the earliest time in ms to fetch liquidations for |
| limit | int
| No | the maximum number of liquidation structures to retrieve |
| params | object
| No | exchange specific parameters for the gate api endpoint |
```javascript
gate.watchMyLiquidationsForSymbols (symbol[, since, limit, params])
```