Margin Balance: The total amount of balance that can be used as Margin Balance. Margin Balance = Wallet Balance + Unrealised PNL
Position Margin: The portion of magin held by current position. Position Margin = Initial Margin + Unrealised PNL
Frozen: The portion of margin that has been frozen.
Frozen Margin = Initial Margin by current orders + frozen fees
Available Balance: funds available for new positions or margin. Available Balance = Margin Balance - Position Margin - Frozen Margin
Maintenance Margin = the minimum amount of margin required to keep your position open. Maintenance Margin= Entry price * %Maintenance Margin (related to your Risk Limits)
Initial Margin: the minimum amount of margin for position entry.
Initial Margin = Entry Value * %Initial Margin
%Initial Margin = 1/Leverage*100%
For example, if your leverage is 20X, then %Initial Margin = 1/20*100% = 5%