KEY TAKEAWAYS
- OKX will list USD1, a fiat-backed digital asset by World Liberty Financial, on its spot trading markets starting September 2, 2025.
- USD1 is designed to maintain a 1:1 equivalence with the U.S. dollar and operates on the Ethereum blockchain, offering a stable digital currency option.
- OKX has set specific trading rules and risk control measures, including a pre-open session and capped limit orders, to manage market volatility.
OKX has announced the listing of USD1, a fiat-backed digital asset by World Liberty Financial, on its spot trading markets. The listing will commence on September 2, 2025, with a structured timeline for deposits, pre-open sessions, and trading.
Deposits for USD1 will open at 8:00 am UTC, followed by a pre-open session from 10:00 am to 11:00 am UTC. Spot trading for the USD1/USDT pair will begin at 11:00 am UTC, and withdrawals will be available from 2:00 pm UTC on the same day.
Pre-open Session and Trading Rules
The pre-open session allows traders to submit buy and sell orders within specified price limits before continuous trading begins. During this session, orders are placed around the index price, with buy orders restricted to below the index price multiplied by a factor (1 + J%), and sell orders above the index price multiplied by (1 – J%).
At the end of the pre-open session, invalid orders are canceled, and the remaining orders are carried over to the order book for live trading. The initial trading price is set based on the last index price from the pre-open session.
OKX has implemented risk control measures to manage market volatility during the initial phase of trading. For the first five minutes, the maximum amount per limit order is capped at $10,000. Additionally, index-based price limits are applied during both the pre-open and continuous trading sessions.
About USD1 and Trading Details
USD1 is designed to maintain a 1:1 equivalence with the U.S. dollar and operates on the Ethereum blockchain. The asset aims to provide a stable digital currency option for traders.
For more details on the listing and trading rules, please visit the official announcement here.
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