Dear valued users, To provide you with better trading experience, Huobi Futures will upgrade the system from 10:00 to 10:15 on Mar 22, 2021 (UTC), lasting for around 15 minutes. During the upgrade period, all open orders of coin-margined futures, coin-margined swaps, USDT-margined swaps and options will be retained, but functions such as opening/closing positions, canceling orders, and transferring will be temporarily suspended on API, Web, and APP. Within 5 minutes after the upgrade, order cancellation and transfer-in function will be available on API, Web and APP, while order placing and transfer-out function will not be supported. Please prepare in advance and control risk by canceling orders, adding margin, or closing positions before the upgrade. We are sorry for any inconvenience it may cause. Thanks for your support and understanding. If there is a large market fluctuation before the upgrade, Huobi Futures will delay the upgrade time and will announce it. Please refer to the announcement on official website. Note: The estimated time for the system upgrade may not be accurate, please feel free to ask for the latest update from our official WeChat, QQ and telegram groups. Thanks for your support and understanding. Huobi Futures Mar. 19, 2021   Follow us through: Telegram: https://t.me/HuobiFutures_en Twitter: https://twitter.com/HuobiFutures_ 【Huobi Official Media Authenticator】