OKX to list perpetual futures for H, AERO, SYRUP crypto
We are pleased to announce that USDT-margined perpetual futures for H, AERO, SYRUP will be enabled at 6:00~6:30 am UTC on July 3, 2025. The updates will cover both the web and app interfaces as well as the API. The details are as follows:
I. Listing schedule
- H/USDT perpetual futures trading will open at 6:00 am UTC on July 3, 2025. 
- AERO/USDT perpetual futures trading will open at 6:15 am UTC on July 3, 2025. 
- SYRUP/USDT perpetual futures trading will open at 6:30 am UTC on July 3, 2025. 
II. Perpetual futures trading
H perpetual futures:
Humanity Protocol is a zkEVM Layer-2 blockchain with a native Proof of Humanity (PoH) consensus mechanism, which verifies and validates users' uniqueness as human beings (among other verifiable credentials) in a decentralised manner, making the network Sybil-resistant at the application level.
- Full English Name: Humanity Protocol 
- Abbreviation: H 
- Official Website: https://www.humanity.org/ 
- Twitter: https://x.com/Humanityprot 
| Features | Details | 
| Underlying | H/USDT index | 
| Settlement crypto | USDT | 
| Face value | 100 | 
| Price quotation | 1 H value calculated in USDT equivalent | 
| Tick size | 0.00001 | 
| 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 | 
| Trading hours | 24/7 | 
AERO perpetual futures:Aerodrome Finance is an automated market maker and liquidity layer on the Base network, powered by a liquidity incentive engine and a vote-lock governance model.
- Full English Name: Aerodrome Finance 
- Abbreviation: AERO 
- Official Website: https://aerodrome.finance/ 
- Twitter: https://x.com/AerodromeFi 
| Features | Details | 
| Underlying | AERO/USDT index | 
| Settlement crypto | USDT | 
| Face value | 10 | 
| Price quotation | 1 AERO value calculated in USDT equivalent | 
| Tick size | 0.0001 | 
| 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 | 
| Trading hours | 24/7 | 
SYRUP perpetual futures:
Maple Finance is an overcollateralized lending marketplace built on blockchain technology. The marketplace serves financial institutions and accredited individual investors.
- Full English Name: Maple Finance 
- Abbreviation: SYRUP 
- Official Website: https://maple.finance/ 
- Twitter: https://x.com/maplefinance 
| Features | Details | 
| Underlying | SYRUP/USDT index | 
| Settlement crypto | USDT | 
| Face value | 10 | 
| Price quotation | 1 SYRUP value calculated in USDT equivalent | 
| Tick size | 0.0001 | 
| 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 | 
| Trading hours | 24/7 | 
The price limit rules of H, AERO, SYRUP 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
July 3, 2025