OKX to list SEI (Sei), 2Z (DoubleZero) for spot trading
This is a general update. Please check the availability of the listed token or product for your region in the app.
OKX is pleased to announce the listing of SEI (Sei), 2Z (DoubleZero) on our spot trading markets. Please take note of the following details:
Listing timeline
SEI, 2Z deposits will open at 3:00 am UTC on Nov 14, 2025.
Pre-open time:
SEI pre-open will take place from 6:00 am to 7:00 am UTC on Nov 14, 2025.
2Z pre-open will take place from 8:00 am to 9:00 am UTC on Nov 14, 2025.
Spot trading time:
SEI/USDT spot trading will open at 7:00 am UTC on Nov 14, 2025.
2Z/USDT spot trading will open at 9:00 am UTC on Nov 14, 2025.
Withdrawal time:
SEI withdrawal will open at 9:00 am UTC on Nov 14, 2025.
2Z withdrawal will open at 11:00 am UTC on Nov 14, 2025.
Spot market opening risk control rules
Price limit rules:
During Pre-open session and continuous trading, index-based limit rules will be applied.
Index-based limit calculation rules:
Phase | Maximum bid price | Minimum ask price |
During Pre-Open session | Index × (1 + J) | Index × (1 – J) |
Within the 10 minutes of continuous trading | Index × (1 + X) | Index × (1 – X) |
After the first 10 minutes of continuous trading | Min[Max(Index, Index (1 + Y) + Avg premium in the last 2 mins), Index × (1 + Z)] | Max[Min(Index, Index × (1 – Y) + Avg premium in the last 2 mins), Index × (1 – Z)] |
OKX may adjust the parameters J, X, Y, Z or switch limit price calculation methods based on market conditions without prior notice.
For real-time rules, please visit /trade-market/info/spot.
Project introduction
Sei is a high-performance Layer 1 blockchain that scales the EVM with parallelized execution, enabling faster transactions, low fees, and seamless smart contract deployment.
Asset name: Sei
Ticker: SEI
Network: SEI EVM
Check SEI Price: https://www.okx.com/price/sei-sei
DoubleZero is a global fibre network for high-performance distributed systems and blockchains, that aims to provide increased bandwidth and reduced latency.
Asset name: DoubleZero
Ticker: 2Z
Contract Address: Solana(J6pQQ3FAcJQeWPPGppWRb4nM8jU3wLyYbRrLh7feMfvd)
Check 2Z Price: https://www.okx.com/price/doublezero-2z
Deposit USDT
Top up your balance to get ready for SEI/USDT, 2Z/USDT spot trading:
Risk warning: The foregoing overview and information, some of which may be provided by third parties and not OKX, are for informational purposes only. OKX does not guarantee the accuracy or completeness of any information contained herein and such information does not constitute any representation, warranty or any financial, investment or other form of advice by OKX. Such information may not be suitable for all persons; it should not be relied upon in connection with a particular investor's trading; and, is not intended to be, nor should be construed as, an offer, recommendation or solicitation. Such information is also not intended for persons who reside in jurisdictions where providing such information would violate the laws or regulations of such jurisdiction. Digital assets are highly speculative and subject to high volatility, may become illiquid at any time, and that investors may lose the entire value of their investment. Before trading any digital asset, you should do your own research and evaluate your risk appetite. OKX is not responsible for any losses which you may incur from trading digital assets. Please refer to OKX Terms of Service and Risk & Compliance Disclosure for more information.
For any inquiries, please feel free to contact us via OKX Support Center or connect with us on any platform of your choice.
OKX Team
Nov 14th, 2025