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).

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).

However, please note that starting from 19 June 2025, passing the test will be necessary to avoid any restrictions to our DPT services.What's the passing score for the knowledge test? To pass, you must answer at least 4 out of 6 questions correctly. You'll be notified in-app if you've passed or failed.How do I take the knowledge test? You can access the test here. Most users complete it within 5 minutes.

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.

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.

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.

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.

Please fill in the information and click next to proceed with your withdrawal.Verifying with Satoshi Test To complete your verification via Satoshi test, you will need to follow the steps below: Verifying with Satoshi test Select the cryptocurrency you want to deposit from the dropdown list. Once selected, the deposit instructions will appear. Select crypto from the dropdown list Follow the deposit instructions and select I've made the deposit once completed.

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.

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.

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.

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.

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, 2017

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.

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, 2017