If you need to pay interest on overnight bills, a negative number means that your profit is less than interest. The amount of interest and its positive or negative depends on the currency pair you make. You can carefully check the notes on the trading platform.

The calculation formula is as follows:

Closing profit and loss on the same day = (closing price-opening price) × closing amount

Deferred liquidation surplus = (liquidation price-settlement price of the previous day) × liquidation amount

When selling and closing positions, the positive number in the above formula is profit and the negative number is loss; The opposite is true when buying a peace warehouse. When calculating the investment income, the above liquidation gains and losses shall be deducted from the trading commission.