## poloniex{docsify-ignore}
**Kind**: global class
**Extends**: Exchange
* [fetchOHLCV](#fetchohlcv)
* [fetchMarkets](#fetchmarkets)
* [fetchTime](#fetchtime)
* [fetchTickers](#fetchtickers)
* [fetchCurrencies](#fetchcurrencies)
* [fetchTicker](#fetchticker)
* [fetchTrades](#fetchtrades)
* [fetchMyTrades](#fetchmytrades)
* [fetchOpenOrders](#fetchopenorders)
* [fetchClosedOrders](#fetchclosedorders)
* [createOrder](#createorder)
* [editOrder](#editorder)
* [cancelAllOrders](#cancelallorders)
* [fetchOrder](#fetchorder)
* [fetchOrderTrades](#fetchordertrades)
* [fetchBalance](#fetchbalance)
* [fetchTradingFees](#fetchtradingfees)
* [fetchOrderBook](#fetchorderbook)
* [createDepositAddress](#createdepositaddress)
* [fetchDepositAddress](#fetchdepositaddress)
* [transfer](#transfer)
* [withdraw](#withdraw)
* [fetchDepositsWithdrawals](#fetchdepositswithdrawals)
* [fetchWithdrawals](#fetchwithdrawals)
* [fetchDepositWithdrawFees](#fetchdepositwithdrawfees)
* [fetchDeposits](#fetchdeposits)
* [setLeverage](#setleverage)
* [fetchLeverage](#fetchleverage)
* [fetchPositionMode](#fetchpositionmode)
* [setPositionMode](#setpositionmode)
* [fetchPositions](#fetchpositions)
* [reduceMargin](#reducemargin)
* [addMargin](#addmargin)
### fetchOHLCV{docsify-ignore}
fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<Array<int>>
- A list of candles ordered as timestamp, open, high, low, close, volume
**See**
- https://api-docs.poloniex.com/spot/api/public/market-data#candles
- https://api-docs.poloniex.com/v3/futures/api/market/get-kline-data
| 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 |
| params.until | int
| No | timestamp 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
poloniex.fetchOHLCV (symbol, timeframe[, since, limit, params])
```
### fetchMarkets{docsify-ignore}
retrieves data on all markets for poloniex
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<object>
- an array of objects representing market data
**See**
- https://api-docs.poloniex.com/spot/api/public/reference-data#symbol-information
- https://api-docs.poloniex.com/v3/futures/api/market/get-all-product-info
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchMarkets ([params])
```
### fetchTime{docsify-ignore}
fetches the current integer timestamp in milliseconds from the exchange server
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: int
- the current integer timestamp in milliseconds from the exchange server
**See**: https://api-docs.poloniex.com/spot/api/public/reference-data#system-timestamp
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchTime ([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 [poloniex
](#poloniex)
**Returns**: object
- a dictionary of [ticker structures](https://docs.ccxt.com/#/?id=ticker-structure)
**See**
- https://api-docs.poloniex.com/spot/api/public/market-data#ticker
- https://api-docs.poloniex.com/v3/futures/api/market/get-market-info
| 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
poloniex.fetchTickers (symbols[, params])
```
### fetchCurrencies{docsify-ignore}
fetches all available currencies on an exchange
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- an associative dictionary of currencies
**See**: https://api-docs.poloniex.com/spot/api/public/reference-data#currency-information
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchCurrencies ([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 [poloniex
](#poloniex)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**
- https://api-docs.poloniex.com/spot/api/public/market-data#ticker
- https://api-docs.poloniex.com/v3/futures/api/market/get-market-info
| 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
poloniex.fetchTicker (symbol[, params])
```
### fetchTrades{docsify-ignore}
get the list of most recent trades for a particular symbol
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<Trade>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
**See**
- https://api-docs.poloniex.com/spot/api/public/market-data#trades
- https://api-docs.poloniex.com/v3/futures/api/market/get-execution-info
| 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
poloniex.fetchTrades (symbol[, since, limit, params])
```
### fetchMyTrades{docsify-ignore}
fetch all trades made by the user
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<Trade>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
**See**
- https://api-docs.poloniex.com/spot/api/private/trade#trade-history
- https://api-docs.poloniex.com/v3/futures/api/trade/get-execution-details
| 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.until | int
| No | the latest time in ms to fetch entries for |
| 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
poloniex.fetchMyTrades (symbol[, since, limit, params])
```
### fetchOpenOrders{docsify-ignore}
fetch all unfilled currently open orders
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://api-docs.poloniex.com/spot/api/private/order#open-orders
- https://api-docs.poloniex.com/spot/api/private/smart-order#open-orders // trigger orders
- https://api-docs.poloniex.com/v3/futures/api/trade/get-current-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.trigger | boolean
| No | set true to fetch trigger orders instead of regular orders |
```javascript
poloniex.fetchOpenOrders (symbol[, since, limit, params])
```
### fetchClosedOrders{docsify-ignore}
fetches information on multiple closed orders made by the user
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://api-docs.poloniex.com/v3/futures/api/trade/get-order-history
| 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.until | int
| No | timestamp in ms of the latest entry |
```javascript
poloniex.fetchClosedOrders (symbol[, since, limit, params])
```
### createOrder{docsify-ignore}
create a trade order
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://api-docs.poloniex.com/spot/api/private/order#create-order
- https://api-docs.poloniex.com/spot/api/private/smart-order#create-order // trigger orders
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| 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 currency you want to trade in units of 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 |
| params.triggerPrice | float
| No | the price at which a trigger order is triggered at |
| params.cost | float
| No | *spot market buy only* the quote quantity that can be used as an alternative for the amount |
```javascript
poloniex.createOrder (symbol, type, side, amount[, price, params])
```
### editOrder{docsify-ignore}
edit a trade order
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://api-docs.poloniex.com/spot/api/private/order#cancel-replace-order
- https://api-docs.poloniex.com/spot/api/private/smart-order#cancel-replace-order
| 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
| No | 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 |
| params.triggerPrice | float
| No | The price at which a trigger order is triggered at |
```javascript
poloniex.editOrder (id, symbol, type, side[, amount, price, params])
```
### cancelAllOrders{docsify-ignore}
cancel all open orders
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<object>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://api-docs.poloniex.com/spot/api/private/order#cancel-all-orders
- https://api-docs.poloniex.com/spot/api/private/smart-order#cancel-all-orders // trigger orders
- https://api-docs.poloniex.com/v3/futures/api/trade/cancel-all-orders - contract markets
| 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.trigger | boolean
| No | true if canceling trigger orders |
```javascript
poloniex.cancelAllOrders (symbol[, params])
```
### fetchOrder{docsify-ignore}
fetch an order by it's id
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://api-docs.poloniex.com/spot/api/private/order#order-details
- https://api-docs.poloniex.com/spot/api/private/smart-order#open-orders // trigger orders
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | order id |
| symbol | string
| Yes | unified market symbol, default is undefined |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.trigger | boolean
| No | true if fetching a trigger order |
```javascript
poloniex.fetchOrder (id, symbol[, params])
```
### fetchOrderTrades{docsify-ignore}
fetch all the trades made from a single order
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/trade#trades-by-order-id
| 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
poloniex.fetchOrderTrades (id, symbol[, since, limit, params])
```
### fetchBalance{docsify-ignore}
query for balance and get the amount of funds available for trading or funds locked in orders
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a [balance structure](https://docs.ccxt.com/#/?id=balance-structure)
**See**
- https://api-docs.poloniex.com/spot/api/private/account#all-account-balances
- https://api-docs.poloniex.com/v3/futures/api/account/balance
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchBalance ([params])
```
### fetchTradingFees{docsify-ignore}
fetch the trading fees for multiple markets
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a dictionary of [fee structures](https://docs.ccxt.com/#/?id=fee-structure) indexed by market symbols
**See**: https://api-docs.poloniex.com/spot/api/private/account#fee-info
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchTradingFees ([params])
```
### fetchOrderBook{docsify-ignore}
fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- A dictionary of [order book structures](https://docs.ccxt.com/#/?id=order-book-structure) indexed by market symbols
**See**
- https://api-docs.poloniex.com/spot/api/public/market-data#order-book
- https://api-docs.poloniex.com/v3/futures/api/market/get-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
poloniex.fetchOrderBook (symbol[, limit, params])
```
### createDepositAddress{docsify-ignore}
create a currency deposit address
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- an [address structure](https://docs.ccxt.com/#/?id=address-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/wallet#deposit-addresses
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code of the currency for the deposit address |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.createDepositAddress (code[, params])
```
### fetchDepositAddress{docsify-ignore}
fetch the deposit address for a currency associated with this account
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- an [address structure](https://docs.ccxt.com/#/?id=address-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/wallet#deposit-addresses
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchDepositAddress (code[, params])
```
### transfer{docsify-ignore}
transfer currency internally between wallets on the same account
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a [transfer structure](https://docs.ccxt.com/#/?id=transfer-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/account#accounts-transfer
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| Yes | unified currency code |
| amount | float
| Yes | amount to transfer |
| fromAccount | string
| Yes | account to transfer from |
| toAccount | string
| Yes | account to transfer to |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.transfer (code, amount, fromAccount, toAccount[, params])
```
### withdraw{docsify-ignore}
make a withdrawal
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a [transaction structure](https://docs.ccxt.com/#/?id=transaction-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/wallet#withdraw-currency
| 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
poloniex.withdraw (code, amount, address, tag[, params])
```
### fetchDepositsWithdrawals{docsify-ignore}
fetch history of deposits and withdrawals
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a list of [transaction structure](https://docs.ccxt.com/#/?id=transaction-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/wallet#wallets-activity-records
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| code | string
| No | unified currency code for the currency of the deposit/withdrawals, default is undefined |
| since | int
| No | timestamp in ms of the earliest deposit/withdrawal, default is undefined |
| limit | int
| No | max number of deposit/withdrawals to return, default is undefined |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchDepositsWithdrawals ([code, since, limit, params])
```
### fetchWithdrawals{docsify-ignore}
fetch all withdrawals made from an account
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<object>
- a list of [transaction structures](https://docs.ccxt.com/#/?id=transaction-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/wallet#wallets-activity-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 |
```javascript
poloniex.fetchWithdrawals (code[, since, limit, params])
```
### fetchDepositWithdrawFees{docsify-ignore}
fetch deposit and withdraw fees
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<object>
- a list of [fees structures](https://docs.ccxt.com/#/?id=fee-structure)
**See**: https://api-docs.poloniex.com/spot/api/public/reference-data#currency-information
| 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
poloniex.fetchDepositWithdrawFees (codes[, params])
```
### fetchDeposits{docsify-ignore}
fetch all deposits made to an account
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<object>
- a list of [transaction structures](https://docs.ccxt.com/#/?id=transaction-structure)
**See**: https://api-docs.poloniex.com/spot/api/private/wallet#wallets-activity-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 | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchDeposits (code[, since, limit, params])
```
### setLeverage{docsify-ignore}
set the level of leverage for a market
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- response from the exchange
**See**: https://api-docs.poloniex.com/v3/futures/api/positions/set-leverage
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| leverage | int
| Yes | the rate of leverage |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
| params.marginMode | string
| No | 'cross' or 'isolated' |
```javascript
poloniex.setLeverage (leverage, symbol[, params])
```
### fetchLeverage{docsify-ignore}
fetch the set leverage for a market
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a [leverage structure](https://docs.ccxt.com/#/?id=leverage-structure)
**See**: https://api-docs.poloniex.com/v3/futures/api/positions/get-leverages
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.fetchLeverage (symbol[, params])
```
### fetchPositionMode{docsify-ignore}
fetchs the position mode, hedged or one way, hedged for binance is set identically for all linear markets or all inverse markets
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- an object detailing whether the market is in hedged or one-way mode
**See**: https://api-docs.poloniex.com/v3/futures/api/positions/position-mode-switch
| 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
poloniex.fetchPositionMode (symbol[, params])
```
### setPositionMode{docsify-ignore}
set hedged to true or false for a market
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- response from the exchange
**See**: https://api-docs.poloniex.com/v3/futures/api/positions/position-mode-switch
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| hedged | bool
| Yes | set to true to use dualSidePosition |
| symbol | string
| Yes | not used by binance setPositionMode () |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
poloniex.setPositionMode (hedged, symbol[, params])
```
### fetchPositions{docsify-ignore}
fetch all open positions
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: Array<object>
- a list of [position structures](https://docs.ccxt.com/#/?id=position-structure)
**See**: https://api-docs.poloniex.com/v3/futures/api/positions/get-current-position
| 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 |
| params.standard | boolean
| No | whether to fetch standard contract positions |
```javascript
poloniex.fetchPositions (symbols[, params])
```
### reduceMargin{docsify-ignore}
remove margin from a position
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a [margin structure](https://docs.ccxt.com/#/?id=reduce-margin-structure)
| 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
poloniex.reduceMargin (symbol, amount[, params])
```
### addMargin{docsify-ignore}
add margin
**Kind**: instance method of [poloniex
](#poloniex)
**Returns**: object
- a [margin structure](https://docs.ccxt.com/#/?id=add-margin-structure)
| 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
poloniex.addMargin (symbol, amount[, params])
```