Svmuu News: OKX announced that it will officially launch SMH, EWZ, RIVN, DKNG, and RDDT stock perpetual contracts on its web platform, mobile app, and API in select supported countries and regions starting at 17:00 Beijing Time on June 18. Specifically, SMH/USDT will open at 17:00, EWZ/USDT at 17:15, and RIVN/USDT at 17:30. DKNG/USDT will open at 17:45, and RDDT/USDT will open at 18:00. These contracts are settled in USDT, with an 8-hour funding settlement cycle and 7×24-hour trading hours.