OKX to list perpetual futures for SIGN crypto

We are pleased to announce that USDT-margined perpetual futures for SIGN will be enabled at 11:30 am UTC on April 28, 2025. The updates will cover both the web and app interfaces as well as the API. The details are as follows:

I. Listing schedule

• SIGN/USDT perpetual futures trading will open at 11:30 am UTC on April 28, 2025.

II. Perpetual futures trading

SIGN is the on-chain verification infrastructure that enables legal identities, digital contracts, token ownership, and other digital information to be cross-border verified by governments, financial institutions, and individuals. SIGN’s primary revenue-generating product, TokenTable, supports core functionalities of the crypto economy—such as token airdrops, unlocking, and over-the-counter (OTC) trading.

• Full English Name: SIGN

• Abbreviation: SIGN

• Official Website: https://sign.global/

• Twitter: https://x.com/ethsign

Note: To avoid unreasonable fees arising from significant premium fluctuations of a newly launched contract, the upper limit of the funding fee before 4:00 pm UTC on April 28, 2025 is 0.5%. After 4:00 pm UTC on April 28, 2025, the upper limit of the predicted funding fee will be adjusted back to the regular rate of 1.5%. (The funding fee for this period will be charged at 8:00 pm UTC on April 28, 2025.) If there is a deviation from the contract price, the funding fee limit will be adjusted according to market conditions.

The price limit rules of SIGN USDT-margined perpetual futures trading are the same as those of other currencies. Please refer to our perpetual futures trading guides for further details.

USDT-margined perpetual futures trading: OKX Perpetual Futures Trading User Agreement

OKX team

April 28, 2025