OKX will close the unified order book function for the USDT/USD spot trading pair

According to official news, OKX will close the unified order book function on USDT/USD at 17:00 on June 2, 2026.

From that time on, USDT/USD will operate only as an independent trading pair, and users will not be able to submit new orders for trading with USDC, USDG, or RLUSD on this trading pair, but trading with USD will still be available. Please make sure to check current strategy orders to avoid accidental cancellations.