OKX to list perpetual futures for STABLE crypto

This is a general update. Please check the availability of the listed token or product for your region in the app.

We are pleased to announce that USDT-margined perpetual futures for STABLE will be enabled at 13:30 UTC on December 8, 2025. The updates will cover both the web and app interfaces as well as the API. The details are as follows:

I. Listing schedule

STABLE/USDT perpetual futures trading will open at 13:30 UTC on December 8, 2025.

II. Perpetual futures trading
Stable is a Layer 1 blockchain launched by Bitfinex and Tether that supports free peer-to-peer USDT transfers using USDT as the native gas.

Full English Name: Stable
Abbreviation: STABLE
Official Website: https://www.stable.xyz/
Twitter: https://x.com/stable

Features	Details
Underlying	STABLE/USDT index
Settlement crypto	USDT
Face value	100
Price quotation	1 STABLE value calculated in USDT equivalent
Leverage	0.01-50x
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 If the funding rate of a perpetual future reaches the funding fee cap or floor when funding fee is charged or paid, the perpetual’s funding fee settlement period will automatically be adjusted to hourly settlement. Learn more from our product documentation
Trading hours	24/7