Announcement from Ouyi on the official launch of SIGN perpetual contract

Dear Ouyi user: Ouyi will officially launch the SIGNUSDT perpetual contract on the web, app, and API at 7:30 pm (UTC+8) on April 28, 2025. The detailed rules are as follows: 1. Opening time *SIGNUSDT contract trading opening time: 7:30pm on April 28th (UTC+8) 2. Contract Introduction Sign is the infrastructure for on chain verification, enabling legal identities, digital contracts, token ownership, and other digital information to be verified across borders by governments, financial institutions, and individuals. Sign's main revenue generating product, TokenTable, supports core functions of the crypto economy, such as token airdrops, unlocking, and over-the-counter trading. *English full name: SIGN *English abbreviation: SIGN *Project official website: https://sign.global/ *Twitter: https://(x.com)/ethsign Contract Elements | Details| Underlying Contract | SIGN/USDT Index| Settlement cryptocurrency | USDT| Face value of the contract | 100| Price quotation | quote based on USDT price of 1 SIGN| Minimum price change (Tick size) | 0.00001| Leverage | 0.01~20x| Funding rate | clamp [average premium index+clamp (interest rate - average premium index, 0.05%, -0.05%), 1.50%, -1.5%] Average premium index and interest rate calculation. For details, please refer to the product documentation| Funding fee settlement interval | 4 hours| Trading hours | 7 x 24 hours| Note: The premium when the new contract is launched is relatively unstable. To avoid unreasonable collection of funding fees, the upper limit of the funding fee rate will be calculated at 0.5% before 00:00 on April 29, 2025 (UTC+8). After 00:00 on April 29, 2025 (UTC+8), the upper limit of the funding fee rate will be adjusted back to the normal 1.5% [The actual collection time of funding fees for this period will be 4:00 am on April 29, 2025 (UTC+8)]. If there is a deviation in the price of this contract, the funding rate will be adjusted according to market conditions. In addition, the limit trading rules of SIGNUSDT perpetual contract are consistent with other currencies. For details, please refer to the perpetual contract explanation document: USDT margin perpetual contract: Ouyi perpetual contract user agreement Ouyi will continue to provide you with better products and services! Ouyi team April 28, 2025