According to CoinMeta, OKX has announced the addition of contract (MRNA) and contract (PURR) to multiple services, including futures contracts, with an official launch time of 17:00 on August 21, 2026 (UTC +8). Specific notes include: The MRNA / USDT contracts will be launched at 17:00 on August 21, 2026 (UTC +8), and the PURR / USDT contracts will be launched at 17:15 on August 21, 2026 (UTC +8). The funding fee settlement cycle is 8 hours, and if the fee rate reaches the upper or lower limit, the settlement frequency will automatically adjust to once per hour.