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Explanation 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 documentationData Migration of Futures Trading Bills
Dear valued customers, Due to the huge amount of futures trading bills stored in our database, it is essential for us do perform a data migration from 09pm-10pm on Jul 27, 2018 (Hong Kong time). During the migration, you will only be able to check the futures trading bills of the last 15 days. We expect that the data migration will take approximately one week. After the migration is completed, the futures trading bills of the last 3 months will be able to be retrieved.Published on 27 July 2018Updated on 17 Nov 2025AnnouncementsRollback of All Futures Contracts Data
Regards, OKX 23:30 Mar 30, 2018 -------------------------------------------------------------------------------------------------------- UPDATED on 21:10 Currently the futures contracts data rollback has been completed. We will commence the rollback of user intra-account transfers between "Spot Account" and "Futures Account" at 21:30 Mar 30, 2018 (Hong Kong Time). The details are as follows: 1.Published on 30 Mar 2018Updated on 17 Nov 2025AnnouncementsAnnouncement of historical data services scheduled maintenance
Once this maintenance is completed, we'll restore historical data services as soon as possible. Thank you for your support! OKX Team March 15, 2024Published on 15 Mar 2024Updated on 17 Nov 2025AnnouncementsUpdate on Rollback of All Futures Contracts Data
OKX will rollback all the data of weekly, bi-weekly and quarterly futures contracts of all tokens to 4:47 Mar 30, 2018 (Hong Kong time). 2. All weekly, bi-weekly and quarterly futures contracts will be delivered. After delivery, all open orders will be cancelled, and all holding positions will be closed at the delivery price. Weekly futures contract delivery price: The last traded price of the weekly futures contract after the rollback.Published on 30 Mar 2018Updated on 17 Nov 2025AnnouncementsWhat is Proof of Reserves (PoR) user snapshot data?
Initial: Funding account 5,000 USDT Flexible/Fix Loan: user stakes 5,000 USDT to borrow 0.1 BTC Comparison between user assets after the loan and snapshot data: Account equity Snapshot Initial assets 5,000 USDT Loan User puts down 5,000 USDT as collateral to borrow 0.1 BTC Borrowed loan? Funding account: 0.1 BTC Grow account: 3,422.46 USDT Note: This is a user's collateral equity.Published on 20 Jan 2023Updated on 3 Apr 2026FAQ510Position data differences on manual trading and copy trading pages
The data on each page will appear as follows.Published on 22 Mar 2023Updated on 1 Apr 2025Product documentationOKX to support Mina (MINA) mainnet upgrade
For more details on the network upgrade, please visit: Mina Berkeley Upgrade OKX teamMay 31, 2024Published on 31 May 2024Updated on 17 Nov 2025AnnouncementsMax Transfer Amount with Option Value
Discount based on BS Delta: a separate discount coefficient between 0 and 1 is applied to value of each OTM option. The smaller the absolute value of an option's BS Delta, the smaller the coefficient value is. The coefficient is set to 0 for deep OTM options, i.e. deep OTM options can not be used as collateral for borrowing at all. Upper limit: in each PM account, the sum of values of all long options after adjustments a & b above is further capped at a pre-defined upper limit level.Published on 9 Aug 2023Updated on 1 Apr 2025Product documentationOKX to list BIO (BIO Protocol) for spot trading
Project introduction BIO Protocol is a financial layer for decentralised science (DeSci) aimed at accelerating the flow of capital and talent into onchain science to create shared IP ownership among members.Published on 3 Jan 2025Updated on 9 Feb 2026AnnouncementsWhat are decentralized applications (DApps)?
On the other hand, since DApps rely on a huge number of nodes in the network to process and confirm data on the blockchain, DApps can be at a disadvantage when it comes to high-performance features, and can be slow when data traffic surges. Traditional applications, which run on centralized servers, can outperform their decentralized counterparts. Ideally, a DApp can process the data of users in an encrypted manner, making it possible to safely store data in a place users trust.Published on 3 Nov 2022Updated on 6 Mar 2026FAQ30How OKX's advanced analytics help traders in the ever-changing NFT Marketplace?
Real-Time Monitoring: By constantly tracking on-chain data, traders can stay updated with the latest developments in the NFT market. This real-time data allows traders to respond promptly to market shifts, optimizing their trading strategies. Market Sentiment Analysis: Beyond quantitative data, OKX's analytics tools also delve into qualitative data by assessing social sentiment and online discussions.Published on 28 Dec 2023Updated on 12 Sept 2025FAQ72Updates to the spot cost price feature
The Asset Overview page includes data from all accounts, while the spot cost price and PnL data are calculated based on the specific data from the trading account. For instance, assets in the funding account do not affect the calculation of spot cost price and PnL, only the assets in the trading account could be included in the calculation. The highlighted sections on the pages below will be phased out.Published on 18 Oct 2024Updated on 19 Nov 2024AnnouncementsEVM Inscription Tool FAQ
Insert your transaction data, excluding "data:," as it has been pre-filled by the system in the Text mode field Always exclude "data:," while inputting the inscription data Select your preferred frequency in the Repeat transactions field Note: the number of transaction data that you have inserted represents the number of signatures required for the inscription Select Confirm to begin the inscription process Select Confirm to complete the inscription3. How do I access EVM inscribed assets?Published on 15 Dec 2023Updated on 18 Dec 2025FAQ23Update to lead trader trading metrics
If you carry out multiple trading strategies, including spot trading, bot trading, options trading, or other non-lead contract trading, data from these trades will be removed from your PnL calculation and your lead trade data and PnL curve will change.Published on 11 Apr 2023Updated on 1 Apr 2025Product documentation8