OKX to list perpetual futures for OKB crypto
We are pleased to announce that USDT-margined perpetual futures for OKB will be enabled at 2:00 am UTC on September 4, 2025. The updates will cover both the web and app interfaces as well as the API. The details are as follows:
I. Listing schedule
- OKB/USDT perpetual futures trading will open at 2:00 am UTC on September 4, 2025. 
II. Perpetual futures trading
| Features | Details | 
| Underlying | OKB/USDT index | 
| Settlement crypto | USDT | 
| Face value | 0.01 | 
| Price quotation | 1 OKB value calculated in USDT equivalent | 
| Tick size | 0.01 | 
| Leverage | 0.01-20x | 
| Funding rate | clamp [Average premium index + clamp (Interest rate – Average premium index, 0.05%, -0.05%), 1.50%, -1.50%] For average premium index and interest rate calculations, refer to our product documentation | 
| Funding fee settlement interval | 4 hours | 
| Trading hours | 24/7 | 
The price limit rules of OKB 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
Sep 3, 2025