USDT over-the-counter price dropped to 6.92 yuan, a recent low, with a premium rate of about -1%

As of now, USDT is quoted at 6.92 yuan outside Huobi (the lowest was 6.91 yuan yesterday), a record low. At the same time, the exchange rate of USD to RMB was 6.9952 yuan, and USDT was in a negative premium state with a premium rate of -1.07%.