Contract variety elements

All USDT contract basic parameters are as follows:

Contract code	Margin coin	Contract face value	Minimum price variation	Minimum maintenance margin rate
BTCUSD	BTC	10 USD	1 USD	0.40%
ETHUSD	ETH	10 USD	0.1 USD	0.40%

[The above data and indicators content may be adjusted in real time according to market conditions, the adjustment will not be notified]