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Automated Trading Exchange Settings


Allows exchange specific settings to be set.

This command allows you to change settings on individual exchanges.

The arguments vary from exchange to exchange.

At present, BitMEX, Binance Futures & Bybit are the only exchanges that exposes any settings. Using this command on any other exchange will have no effect.

Supported Settings for BitMEX, Binance Futures, FTX & Bybit

Setting Available values
maxOrderSize=100 Set the max size of any single order. Mainly intended for use in Trading Groups to control liquidity.
leverage=cross Enables Cross Margin.
leverage=20 A number from 0.01 to 100. Enabled Isolated Margin and sets the leverage value to the number given. Leverage values not supported by the symbol you are trading will be rejected. It's important that this can affect any open positions you have at the time also. Note: This does not change the way order sizes are calculated (details here).


There are a couple of quirks with the different exchanges that you should be aware of...


FTX has details of their account leverage options in this help guide. A few things to note though:-

  • Only the following leverage settings can be used: 1, 3, 5, 10, 20, 50, 100, 101.
  • Setting leverage will set the leverage account wide (not just for the traded symbol).
  • It can not be changed if you have an open position.
  • 50x and higher attract higher fees.


Binance allows you to set the leverage for either cross or isolated margin. The exchangeSettings command does not fully support this and can either set the isolated margin level (using leverage=20 for example, to set it to 20x) or set it to cross, but not cross at a specific leverage. This is a limitation of commands properties as most exchange treat cross as trading at max leverage.

Example: Change the current leverage to 20x on BitMEX

myApiKeys(XBTUSD) {
    # Change the Leverage to 20x before we start placing orders

    # Place an order. As leverage will now be 20x
    # this will only use a small amount of available margin
    # (about $5 worth)
    market(side=buy, amount=100);

Example: Set the max order size to 5000 contracts

myApiKeys(BTCUSD) {
    # Limit the max order size to 5000 contracts

    # Place an order. Will use 75% of balance, or 5000 contracts,
    # whichever is smaller
    market(side=buy, amount=75%);

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