Announcement on the Adjustment of Rate Currency Pair Grouping 1 by Ouyi Dear Ouyi users, we are about to adjust the coin pair grouping and plan to officially change it on May 19, 2026 from 11:00 to 13:00 (UTC+8). This announcement is intended to inform you in advance and help you understand the changes. Please note: Ouyi reserves the right to modify the effective date as needed. Please always refer to the Ouyi rate page in your region for the latest and most accurate information. If the effective date changes, no further notice or reminder will be given. Main changes: Spot and Contract Group 1 Currency Pair Adjustment Spot: XAUT-USDT will be classified into Spot Group 1 Contract: XAU-USDT, XAG-USDT, BZ-USDT, CL-USDT. The above trading pairs will be classified into Contract Group 1 Spot Group - Define Group Description Trading Pair Group 1 Head Trading Pair ADA-USDT, ADA-USD Ⓢ, BTC-USDT, BTC-USDT Ⓢ, DOGE-USDT, DOGE-USDT, ETH-USDT Ⓢ, LTC-USDT, LTC-USD Ⓢ, PEPE-USDT, PEPE-USD Ⓢ Ⓢ, PUMP-USDT, PUMP-USD Ⓢ, SOL-USDT, SOL-USD Ⓢ, SUI-USDT, SUI-USD Ⓢ, XAUT-USDT, XRP-USDT, XRP-USD Ⓢ Group 2 Active Trading Pair All other designated trading pairs (except XAUT-USDT) Move to outside of Group 1, no changes) All other trading pairs in Group 3. All other available trading pairs in the spot market, no changes. Please note that not all trading pairs are available in all regions, and the availability of trading pairs is subject to applicable laws and regulations and varies by jurisdiction. Due to the constant availability and updates of coin pairs, this coin pair is for reference only. For the latest applicable coin pairs, please refer to OpenAPI or the (((okx. com))/bees page. Contract Group - Define Group Description Trading Pair Group 1 Head Trading Pair ADA-USDT, ADA-USD, ADA-USD UM, BTC-USDT, BTC-USD, BTC-USD UM, BZ-USDT, CL-USDT, DOGE-USDT, DOGE-USD, DOGE-USD UM, ETH-USDT, ETH-USD, ETH-USD UM, LTC-USDT, LTC-USD, LTC-USD UM, PEPE-USDT, PEPE-USD UM, PUMP-USDT, PUMP-USD UM, SOL-USDT, SOL-USD, SOL-USD UM, SUI-USDT, SUI-USD, SUI-USD UM, XAG-USDT, XAU-USDT, XRP-USDT, XRP-USD, XRP-USD UM Group 2: All other trading pairs in the contract market. Please note that not all trading pairs are available in all regions, and the availability of trading pairs is subject to applicable laws and regulations and varies by jurisdiction. Due to the constant availability and updates of coin pairs, this coin pair is for reference only. For the latest applicable coin pairs, please refer to OpenAPI or the (((okx. com))/bees page. Please adjust your trading strategy in a timely manner according to the adjusted rules for users trading related currency pairs. We deeply apologize for any inconvenience caused to you. If you have any questions about the above changes, please visit www.(((okx.com))/helpcenter or contact the Ouyi customer support team through the in app customer service function. If institutions and VIP clients need assistance, they can do so through your existing OKX Telegram group, @ OKX_Institutions Telegram group, by sending an email to institutional @ (((okx. com)), or by contacting your account manager. Thank you for your continued support. Ouyi team risk warning: The above overview and related information are for reference and educational purposes only, and some of the content may be provided by third parties rather than OKX. OKX does not guarantee the accuracy or completeness of any information described in this article, and such information does not constitute any representations, warranties, or any form of financial, investment, or other advice made by OKX. This information may not be suitable for all individuals and should not be used as a basis for trading by specific investors, nor should it constitute or be interpreted as any offer, recommendation, or solicitation. The above information also does not apply to individuals residing in jurisdictions where providing such information would violate the laws or regulations of their jurisdiction. Digital assets are highly speculative and accompanied by high volatility, which may become illiquid at any time, and investors may also lose their entire investment value. Before trading any digital asset, you should conduct your own research and evaluate your risk tolerance. OKX shall not be liable for any losses incurred by you as a result of trading digital assets. You are responsible for understanding and complying with applicable local laws and regulations on your own. For more information, please refer to the OKX Terms of Service and Risk Disclosure and Disclaimer.