Contracts margin is a good-faith deposit, or an amount of capital one needs to post or deposit to control a futures contract.
ΛΛΧ deploys a cross-margin mode, the position margin required varies with the price movements.
Here comes the formula:
Position margin = (contract face value * quantities of contracts) / latest price / leverage ratio
E.g.1 : If the user opens long 10 lots of BTC contracts (with contract face value of 100 USD/lot), the latest price is 5000 USD/BTC and leverage ratio is 10x, then,
Position Margin = (100*10)/5000/10 = 0.02 BTC
E.g.2 : If the user opens long 10 lots of EOS contracts (with contract face value of 10 USD/lot), the latest price is 5 USD/EOS and leverage ratio is 10x, then,
Position Margin = (10*10)/5/10 = 2 EOS
**Examples above may not reflect on the real market as it varies on other conditions such as volume, fees, risk level, etc.