According to CoinMeta, OKX has announced the addition of AsterUSD UM ( X-Perp ) and YBUSD UM ( X-Perp ) to multiple services, with the official launch time set for August 24, 2026, at 16:00 ( UTC +8). Specific notes include: AsterUSD UM ( X-Perp ) trading will commence on August 24, 2026, at 16:00 ( UTC +8), and YBUSD UM ( X-Perp ) trading will start on August 24, 2026, at 16:15 ( UTC +8). X-Perp is a leveraged trading product; users are advised to fully understand the associated risks and manage their positions accordingly.