Offshore RMB exchange rate plummeted, compared to USDT, there has been a negative premium

According to Sina data, the offshore RMB exchange rate fell sharply today (May 6), and the lowest against the US dollar fell to 6.8145 US dollars, the lowest since January 23. The Coin OTC data shows that the current USDT price of the transaction is 6.79 yuan, which has a negative premium compared to the offshore RMB exchange rate. The onshore RMB exchange rate was 6.7354 yuan, which has dropped to 0.81% compared to the USDT premium rate.