Auto Risk will always consider the account size difference between your Master and Slave. The Free Margin, Balance, & Equity are merely options of where the Trade copier should base the calculation of Auto Risk. We’ve included the definitions below:

Balance: It’s the total cash available inclusive of profits and losses as well as deposits and withdrawals that occurred in your trading account.

Equity: It’s your balance plus or less the floating profit and loss of your trading account. 

Free Margin: It the amount of funds available to open new trades