Dear users, We are pleased to announce that MASK margin trading and savings will be enabled at 7:00 am UTC on Mar. 4. USDT-margined perpetual swaps for MASK will be listed at the same time. The updates will cover both the web and app interfaces as well as API. The details are as follows: I.Margin Trading and Savings 1. Spot margin trading will be activated for following pairs: MASK/USDT 2. For the details of the tiered margin ratio, please refer to Margin Borrowing Position Tiersafter the official listing. 3. For the limits of Savings, please refer to the Business Rules for Savings after the official listing. II. Perpetual Swap Trading 1. Perpetual Swap Introduction MASK USDT Perpetual Swap: Feature Details Underlying MASK/USDT Index Settlement asset USDT Face value 1 MASK Price quotation 1MASK value calculated in USDT equivalent Tick size 0.001 Leverage 0.01-75 x Funding rate Clamp(MA(((best bid + best offer) / 2 - spot index price)／spot index price - interest), -0.75%, 0.75%), interest = 0 Trading hours 24/7 Note: When the new contract is launched, the premium is unstable. To avoid unreasonable charges, the upper limit of the funding rate before 4:00 pm UTC on Mar. 4 is 0.03%. After 4:00 pm UTC, the upper limit of the predicted funding rate will be adjusted back to the normal 0.75% (the funding fee of this period will be charged at 8:00 am UTC on Mar. 5). The price limit rules of MASK USDT-margined perpetual swap trading are the same as those of other currencies. Please refer to our perpetual swap trading guides for further details. USDT-margined perpetual swap trading: OKEx USDT Margined Perpetual Swap Trading User Agreement & Guide 2. Fee tier requirements: OKEx will offer zero maker and taker transaction fees for MASKUSDT-margined perpetual swap trading from 7:00 am UTC on Mar. 4 to 7:00 am UTC on Apr. 3. The trading volume generated from the zero-fee pairs will not be included in the calculation of users' trading volume level. 3. Activities: As a way to celebrate USDT-margined perpetual swaps for Mask listing, OKEx will hold MASK/USDT Perpetual Swap Trading Challenge - 3,000 MASK to be Won! Promotion Period: From Mar. 4 at 7:00 am UTC to Mar. 11 at 7:00 am UTC Detail: https://www.okex.com/promotion/SORS Regards, OKEx Mar. 4, 2021 (UTC)    Click Here to Download OKEx App >>> Click Here for OKEx Twitter >>> Click Here to Join OKEx Official Community >>>