What is margin?
Contracts margin is a good-faith deposit, or an amount of capital one needs to post or deposit to control a futures contract.
Cross-margin mode is available in Huobi DM, the position margin required varies with the price movements.
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=0.02BTC
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
Differentiate Margin System
Note: When the user's account equity exceeds a certain range, the available margin will change. For example, if the user's account equity is 1000BTC,choosing 5x leverage, the available margin shall be 850 BTC. Therefore，the maximumamount of BTC that the user can use to open positions is 850.
（This only an example,please check Huobi DM notification to get the latest information）
Margin rate is an indicator used to assess assets risk.
Margin Rate = (Account Equity / Used Margin) * 100% - Margin call coefficient
The lower of margin rate, the higher risk of the account will be. When the margin rate is ≤0%, liquidation will be triggered.
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