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OKX has announced the addition of Unibase (UB) to multiple services, including futures contracts, officially launching on 2026-04-28 at 21:30 (UTC+8). Important Notes: - The opening time for UBUSDT perpetual contract trading is 2026-04-28 at 21:30 (UTC+8). - The funding rate may adjust the settlement frequency to once per hour if it reaches the upper or lower limit. - Trading is available 24/7, and users can trade at any time.