USDT Perpetual: All transactions use USDT as margin and all profit and loss calculations are done by USDT. Contract Face value of each cont caculates in the standard currency (such as BTC, ETH). For example, 1 cont = 0.01BTC in BTC/USDT perpetual
Tiered Maintenance Margin Rate System: Maintenance margin ratio is the minimum margin ratio required by the holder to maintain the current position. When the margin ratio is less than or equal to the holder's current required margin ratio, the forced closing of the position will be triggered. Deepcoin implements a tiered maintenance margin system. That is to say, the larger the user's position is, the higher the margin ratio is, and the lower the maximum leverage the user can choose.
The relevant parameters of the tiered maintenance margin for different trading pairs are as follows: