All
FAQ
Announcements
Product documents
OKX Jumpstart - ELT (Element Black) Sale Details
Dear customers, We are pleased to announce that ELT (Element Black) will be part of our token sale project on OKX Jumpstart starting at 2:00 am UTC on Apr. 20, 2022. I.Published on 15 Dec 2022Updated on 17 Nov 2025AnnouncementsOKX will list Element Black’s ELT token for spot trading
OKX is pleased to announce the listing of Element Black’s ELT token on our spot trading markets.Published on 20 Apr 2022Updated on 17 Nov 2025AnnouncementsOKX Web3 Wallet has updated approval management
The approval management feature now allows you to view all past approvals linked to your wallet address and efficiently filter out any malicious approval poisoning. Note: After this upgrade, you may notice an increase in the number of your approvals. This is because the system now provides a more comprehensive view of your wallet’s approval history. OKX Web3 Wallet will continue to provide you with excellent products and services! OKX Team August 29, 2024Published on 29 Aug 2024Updated on 17 Nov 2025AnnouncementsStatement regarding the ELT issue
After multiple unsuccessful attempts to communicate with Element Black, the OKX team notified Element Black to carry out internal rectification and follow the Road Map disclosed prior to the listing for product delivery. Withdrawal restrictions were implemented on the ELT market-making account. During the rectification period, the Element Black team made several withdrawal requests, and OKX approved some reasonable requests, after careful review.Published on 12 May 2023Updated on 17 Nov 2025AnnouncementsOKB Burn
OKB black hole address: https://etherscan.io/address/0xff1ee8604f9ec9c3bb292633bb939321ae861b30#tokentxns) By reducing the total supply in circulation, we hope OKB supporters can benefit from the increase and stabilization of value of OKB. The amount of OKB acquired through Burn between May 4 and May 31, 2019 is 1,929,043.01 , which have already been sent to the black hole address. Regards, OKX May 10, 2019Published on 10 May 2019Updated on 17 Nov 2025AnnouncementsSushiSwap (SUSHI)
Taking Uniswap’s elegant core design, SushiSwap has added community-oriented features that they believe help improve the design of the protocol, as well as provide further benefits to the actors involved.Published on 1 Sept 2020Updated on 17 Nov 2025AnnouncementsExplanation for Greeks Delta and Gamma
In traditional options trading, delta and gamma, as known as BS delta and BS gamma, are derived from the Black-Scholes or Black options pricing model. BS delta measures the rate of change of the option price relative to the change of underlying price. BS gamma measures the rate of change of BS delta relative to the change of underlying price. For the OKX BTCUSD options contract, the calculation of delta and gamma is different from the traditional way.Published on 12 Feb 2020Updated on 1 Apr 2025Product documentationOKX to launch limit orders for options based on IV/USD price
The BTC/ETH prices of these orders are continuously updated using the Black-Scholes (BS) options pricing formula once they're placed in the order book, such that the corresponding IVs of the orders remain close to the levels you specify. The BTC/ETH prices of these orders are updated every 3 seconds in the order book. Limit orders based on USD price You can place a limit order with a USD price to specify the target price level of your options contract.Published on 8 Sept 2023Updated on 17 Nov 2025AnnouncementsOKX Options Introduction
Mark Price Determined by OKX using the Black model on a real-time basis. Implied volatility is derived from market data, along with the volatility cap and floor. Creation Time Options with new expiration date are created at 8:30 UTC. Expiry Time 08:00 (UTC) on the expiration date Settlement Price Time-weighted average price of the index price during the last one hour before expiration. (The snapshot of the index price is taken at 200ms interval) Please refer to option settlement price history.Published on 5 Sept 2023Updated on 6 Nov 2025Product documentationTravel Rule FAQ
This review process depends on a large variety of factors, based on protecting our users against industry bad actors. OKX understands these processes can be frustrating, but it is necessary to protect our user's assets.Published on 20 Jul 2023Updated on 5 Feb 2026FAQ802X Layer upgrade and OKT/OKB asset handling FAQ
After the burn, all OKB transferred to the black hole address will be automatically burned, manual OKB burns will stop, and the total supply of OKB will be fixed at 21 million.Will OKT deposits now also be exchanged at the same average closing price? Yes. OKTChain will continue operating until January 1, 2026. Before this date, you can deposit OKT to the platform at any time.Published on 13 Aug 2025Updated on 29 Jan 2026FAQ27What's a dusting attack?
While blockchain networks enhance security through decentralization, they're not entirely immune to evolving threats from bad actors. One lesser-known attack is the dusting attack, which can compromise user privacy without immediate detection. Learn more about what dusting attacks are, how they work, how to identify them, and the steps you can take to protect your assets.What's dust in crypto? In crypto, dust refers to very small amounts of coins or tokens left over after trades or transfers.Published on 4 Oct 2024Updated on 3 Mar 2026FAQ13Why did my identity verification fail?
Screenshot / Non-original File / Missing Pages / Damaged File / Expired File / Unsupported Language Issue Description: The system detects any of the following: screenshots, scanned or printed copies instead of original documents; black-and-white photos; missing pages; poor-quality or damaged files; expired documents; or documents in an unsupported language.Published on 5 Sept 2023Updated on 2 Apr 2026FAQ11,521Futures DCA (Martingale)
Add manual orders: In the event when all safety orders were filled, we allow users to place additional manual orders to further lower down the average cost Adjust margin: Transfer additional margin from your trading account to your bot in advance, to avoid potential risk of liquidation in black swan events.Published on 27 Apr 2023Updated on 9 Oct 2025Product documentation
Showing 1-14 of 14 articles