[OKX to Launch HOOD, QCOM, COIN, PLTR Four U.S. Stock X-Contracts on July 27, 2026] According to the official announcement from OKX, starting from July 27, 2026, four USD-margined X-Contracts (X-Perp) will be available on the web platform, app, and API. HOODUSD UM will open at 18:00, QCOMUSD UM at 18:15, COINUSD UM at 18:30, and PLTRUSD UM at 18:45.