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Introduction to delivery/exercise rules
So this contract was successfully exercised, and the profit/loss generated was as follows: Face Value * Contract Multiplier * Amount of Holding Positions * (Strike Price – Exercise Price)/ Exercise Price= 1 * 0.1 * (-1000) * (1600 - 1580) / 1580 = -1.2658 ETH After the contract was exercised, the short position of options contract ETHUSD-20230929-1600-P was closed, and the account balance of user B was reduced by 1.2658 ETH (regardless of exercise fees).Published on Jun 20, 2022Updated on Oct 18, 2025Product documentationIntroduction to delivery/exercise rules
So this contract was successfully exercised, and the profit/loss generated was as follows: Face Value * Contract Multiplier * Amount of Holding Positions * (Strike Price – Exercise Price)/ Exercise Price= 1 * 0.1 * (-100) * (600 - 580) / 580 = -0.34483 ETH After the contract was exercised, the short position of options contract ETHUSD-20201204-600-P was closed, and the account balance of user K was reduced by 0.34483 ETH (regardless of transaction fees).Published on Dec 16, 2020Updated on Nov 13, 2025Product documentationSatoshi test FAQ
What should I do if the Satoshi test is successful? If the Satoshi test is successful, you can proceed with your withdrawal as normal. The successful test verifies that you have control over the withdrawal address.10. Will I need to perform the Satoshi test every time I make a withdrawal? Once your address is verified via the Satoshi test, it remains verified for a period of six months.Published on May 28, 2024Updated on Oct 15, 2025FAQ39OKX Announcement on the Adjustment to the Calculation Method of Delivery, Exercise, and Settlement Prices
To further enhance the user trading experience, OKX will adjust the calculation method for Delivery Price, Exercise Price, and Settlement Price effective 18 March 2026(UTC+8). After the adjustment, the relevant price will be calculated as the average of the index prices during the last 30 minutes prior to expiration. The system will record one price point every 200 milliseconds, and the final price will be determined by averaging all recorded price points within this time window.Published on Mar 6, 2026Updated on Mar 7, 2026AnnouncementsWhat's Satoshi test and how do I complete it?
There are several criteria to pass the Satoshi test on our platform. They're as below: The Satoshi test deposit must originate from the correct address intended for verification. The Satoshi test deposit is made to an OKX-provided verification address. The Satoshi test deposit amount must match the amount specified by us for the test. The Satoshi test deposit must be completed within the specified timeframe.Published on May 28, 2024Updated on Feb 17, 2026FAQ60Common scam tactics
Scammers offer attractive promotions to lure the user to deposit a small amount of funds and earn attractive profit Some of the scammers will offer some easy, well-paying and flexible fake job opportunities which might include online marketing, data entry, product testing and others. They'll usually request upfront payment from the users, claiming it's the "training fee", "entrance fee" and other similar types of fees which are used to provide relevant training material or equipment.Published on Sep 28, 2023Updated on Feb 6, 2026FAQ2,629Introduction of rules on OKX brokers
the broker's API settings for technical access After your onboarding, the broker can test online trading, and use T+1 to query commissions, and the onboarding process is completed 4.Published on Feb 20, 2023Updated on Feb 12, 2026Product documentationOKX official announcement: Reopening of withdrawals and other related updates
Withdrawal process: In regard to withdrawals from OKX, the Online Risk-Management System checks for withdrawal frequency, as well as for abnormalities in profits and account behavior. The withdrawal transactions that pass the above checks of the Online Risk-Management System are sent to the Vault System. This system then automatically creates an unsigned transaction.Published on Nov 19, 2020Updated on Nov 17, 2025AnnouncementsWhat's demo trading and how do I use it?
Risk-free trading: one of the biggest advantages of demo trading is that it allows traders to test their strategies and make mistakes without risking any real money. This makes it an ideal environment for beginner traders to learn the ropes and gain experience before trading with real funds. Testing trading strategies: demo trading provides traders with a platform to test and refine their trading strategies without the risk of losing money.Published on Dec 12, 2023Updated on Apr 3, 2026FAQ979OKX Options Introduction
Strike price (or exercise price): the price at which the option holder can buy or sell an underlying asset when exercising a call or put option respectively. Contract type: Call options give the holder the right to buy at a specified price while put options give the right to sell at a specified price. Exercise Style: American Options can be exercised at any time prior to its expiration date. European options can only be exercised on its expiration date. OKX Options are European options.Published on Sep 5, 2023Updated on Nov 6, 2025Product documentationOKX to Support USDT withdrawal
Dear Users After our thorough system testing and technical verification to prevent any potential risks, OKX will begin to support USDT withdrawal services on November 9th, 14:00. OKX November 9th, 2017Published on Nov 9, 2017Updated on Nov 17, 2025AnnouncementsOKX to adjust parameters for options fee calculation
These are options that don’t expire on Fridays. • Only applicable to exercised options. Min (0.02% × Contract multiplier × Contract size × Number of contracts, Taker fee tier × Contract multiplier × Contract size × Number of contracts, 7% × Settlement value × Contract multiplier × Contract size × Number of contracts) • Daily options don’t have an exercise fee. These are options that don’t expire on Fridays. • Only applicable to exercised options.Published on May 8, 2025Updated on Oct 4, 2025AnnouncementsOKX to Support SBTC deposit
Dear Valued Customers, After our thorough system testing and technical verification to prevent any potential risks, OKX will begin to support SBTC deposit services on December 29th, 22:00. As the transaction of digital assets involve extensive risks, you are reminded to assess your risk tolerance before participating in these trades. As always, we are committed to provide you with the best products and services! Best, OKX Team December 29, 2017Published on Dec 29, 2017Updated on Nov 17, 2025AnnouncementsOKX and Alertatron goes into the next phase of partnership
Sending a test Now your server is ready. It is a good idea to send a test command to it, to make sure everything is working as it should. Set up an alert that includes the following text in it (it can have other text in the message though). Note that you'll need to change YourAPIKeyName to the name you used in step 3 of 'Adding the keys to Alertatron'.Published on Apr 11, 2023Updated on Nov 17, 2025AnnouncementsNew Enumeration Value Added to OKX Block Trading Quotes Websocket Channel Response Parameter `state`
Please conduct thorough testing in the demo trading environment prior to the production release to ensure a smooth transition of your trading workflow. OKX May 30, 2023Published on May 30, 2023Updated on Nov 17, 2025Announcements