1. After what time (Beijing time) has the foreign exchange margin been traded, will overnight interest be generated by overnight deposit? A: It's usually three o'clock in the morning, and it's double the overnight fee from Tuesday to Wednesday and Wednesday to Thursday. Because it is the international settlement day. 2. How is the overnight interest generally calculated? Which currencies are positive, which currencies are negative, and when may not? A: It depends on whether you buy it or not. If you buy it, it depends on whether the currency you hold is a high-interest currency. If it is a high-interest currency, the platform will give you overnight interest. For example, if you buy euros/dollars, then you hold euros. If the interest rate of the euro is higher than the US dollar, the platform will give you an overnight fee. 3. How is negative interest generated? No matter whether you sell or buy, you hold low-interest money, and you will generate negative interest. The standard of each platform is different, but remember that the overnight fee given by the platform is half that given by you. For example, you give the platform 10 dollars, and the platform gives you 5 dollars. 4. What high-interest currencies are there? What low-interest currencies are there? Depending on the currency exchange of your business, whether you hold a high interest rate or a low interest rate, such as Euro/USD, if you buy it, you hold the former currency, and if you sell it, you hold the latter currency. If the interest rates of the two currencies are compared, whoever has the higher interest rate is the high interest rate currency.