Do not buy new coins if the purchase will take your balance below the specified amount.
You can also specify a percentage of your balance to be kept rather than a fixed number. Change it to use a percentage of your TCV by adding a % symbol e.g keep_balance = 25%
This feature won't avoid your complete account from liquidation when using crossed margin on FUTURES trading
keep_balance = 0.5
keep_balance = 2%
DCA_keep_balance = 0.5
DCA_keep_balance = 2%
1.This setting will impact initial_cost if used as a percentage of your TCV (SPOT only)