According to ChainCatcher's message, OKX's daily settlement mechanism for delivery contracts will be applied to BTC-USDT and BTC-USD delivery contracts in cross margin mode on March 29, 2025, at 4:00 PM (UTC+8).

Daily settlement mechanism: Settlement will be conducted at 4:00 PM (UTC+8) daily. After settlement, the position settlement earnings will be credited to the available account balance, the position opening average price will be updated to the latest settlement price, and the position floating earnings will be calculated based on the new opening average price. No fees will be charged for settlement, and it will not affect the position size. The settlement price will be the average mark price in the hour before settlement. Please note that the above settlement mechanism is only applicable to cross margin positions.