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Option Margin
Margin × indexPrice) Buy to Close positions (Short)² Max (Order Price - Position IMR, 0) Max (Order Price - Position IMR, 0) MMR MMR (Long) N/A¹ N/A¹ MMR (Short Call) c * Margin Factor + Mark Price c * Margin Factor * index price + Mark Price MMR (Short Put) max(c, c * Mark Price) * Margin Factor⁴ + Mark Price max(c * index price, c * Mark Price) * Margin Factor⁴ + Mark Price Index Coin-Margined BTCUSD Coin-Margined ETHUSD USDⓈ-margined BTCUSD USDⓈ-margined ETHUSD a 0.1 0.1 0.1 0.1 b 0.15 0.15 0.15Published on 20 June 2022Updated on 29 May 2026Product documentationP2P Africa Christmas campaign: Win up to 150 USDT
Only 3 merchants who traded with the highest number of unique counterparties during the campaign will be rewarded b. The rewards will be distributed in USDT c.Published on 19 Dec 2023Updated on 29 May 2026AnnouncementsADL mechanism enhancements
The value of an Applicable Insurance Fund has risen to USD 320,000; B. The Volatile Drop Threshold is USD 280,000; C. The 8 Hr Average at the time that ADL was triggered was USD400,000; D. 6% of the 8 Hr Average is USD 24,000 (since this is a figure that is greater than USD 10,000, cessation trigger 1(a), above, will be used, not 1(b)). Then, since USD 320,000 is greater than USD 304,000 (i.e. USD280,000 + USD 24,000), ADL would be stopped.Published on 5 Mar 2025Updated on 29 May 2026AnnouncementsSpot index prices
B. Exchanges that underwent system maintenance or didn’t update their latest price during a specified time period won’t be taken into calculation for the latest price updates. The update frequency is different for each index. C. If not all exchanges are offering valid data, then data taken from each exchange will be ordinarily weighted as follows.* When data from 3 or more exchanges are available, they will be weighted by their pre-set weighted values.Published on 16 June 2022Updated on 29 May 2026Product documentationOKX releases the OKX AI Robot NFT Collection
The NFT is based on the official reference image b. The NFT needs to have OKX's brand elements c. The NFT needs to have some robot elements Below is a potential Robot NFT that's eligible for this contest. We welcome you to join us with your artwork! Winners will get these rewards: OKX NFT will launch a collection [OKX AI Robot], which curates up to 1,000 NFTs that've stood out in the contest. We'll airdrop the artwork to their creators.Published on 10 May 2023Updated on 29 May 2026AnnouncementsXAU Contract Rules
Scheduled non-trading day The event expiry falls on a known XCEC / Pyth non-trading day Event not listed; pre-emptively excluded at the listing layer B. Whole-day unscheduled closure The affected trading day is cancelled in its entirety Arithmetic mean of per-second index close prices over the 60-second window immediately preceding 5:00:00 PM ET on the most recent prior trading day C.Published on 15 June 2026Updated on 15 June 2026Product documentationDue to an operator failure, the OKX website could not display the announcement.
The following is a notice regarding carrier network anomalies: (Restored) Beijing time November 14, 2017 Hong Kong region availability window network anomaly notice [Alibaba Cloud][Carrier][Outage Notification] Outage Overview: Monitoring detected around 17:45 Beijing time on November 14, 2017, that the carrier network between Alibaba Cloud Hong Kong Availability Zone B and Availability Zone C experienced instability, affecting network communication between availability zones.Published on 3 Mar 2023Updated on 29 May 2026AnnouncementsCosmos (ATOM) Now Available
B. Total Supply and Allocation Total supply: 236,355,290 ATOM C. Useful Links Official Website: https://cosmos.network White Paper: https://cosmos.network/resources/whitepaper Block Explorer: https://cosmos.bigdipper.live Risk Warning: Trading digital assets involves significant risk and can result in the loss of your invested capital.Published on 23 Apr 2019Updated on 29 May 2026AnnouncementsV3 Open API Supports USDT-margined Futures Trading
Public – channels for full contract data: futures/instruments - - - - necessary strings added to the return parameter b.Published on 30 Oct 2019Updated on 29 May 2026AnnouncementsIntroduction to delta neutral strategy
Example: Suppose you have 5 sub-accounts, sub-accounts A and B are in general strategy, sub-accounts C, D, and E are in delta neutral strategy. USDT borrowing limit: Your general strategy main account borrowing limit is 10 million and delta neutral strategy main account borrowing limit is 40 million. Then your sub-accounts A and B share the 10 million USDT borrowing limit and sub-accounts C, D, and E share the 40 million USDT borrowing limit.Published on 28 Oct 2025Updated on 29 May 2026Product documentationX Stake FAQ
User B stakes 2,000 USDT at 4:50 PM (UTC), but all 3 snapshots for the 4–5 PM window have already been taken. Their staking amount for that window is recorded as 0 USDT. User C stakes 1,000 USDT at 4:10 PM (UTC) and is captured in 1 snapshot, then stakes an additional 1,500 USDT at 4:30 PM (UTC+8) and is captured in 2 more snapshots. Their staking amount = (1,000 + 2,500 + 2,500) ÷ 3 = 2,000 USDT. Note: the times above are examples only and do not reflect actual event rules.Published on 12 May 2026Updated on 29 May 2026FAQ2Introduction to Options Expiration Dates
When there is no overlap of expiration dates, a. 4th-daily options will be generated on a daily basis b. 3rd-weekly will be generated every Friday c. 3rd-monthly will be generated every third to last Friday of the month d. 3rd-quarterly will be generated on the third to last Friday of every quarter e. 4th-quarterly will be generated on the last Friday of every quarter When there are overlapping expiration dates, The existing options will be options with different expiration dates at the same timePublished on 5 Sept 2023Updated on 29 May 2026Product documentationWhat's KYC: What to expect and why it matters?
What's KYC and why is it necessary for me to complete it? KYC, or Know Your Customer, is a regulatory and security process that financial institutions use to verify the identity of their users. It’s a key step in maintaining a safe, transparent, and legally compliant platform for everyone.Published on 24 June 2025Updated on 29 May 2026FAQ66What's Leaderboard?
The Leaderboard is where real traders stand out, powered by transparent, real-time metrics. Whether you're aiming to showcase your trading edge or learn from top performers, this is where verified results take the spotlight. Traders are ranked in real time based on key performance indicators, including PnL %, Total PnL and Assets under management. To offer even deeper transparency, each public...Published on 25 Apr 2025Updated on 29 May 2026FAQ6Adjustment of Perpetual Swap Tiered Maintenance Margin Ratio Schedule
B.Published on 11 Sept 2019Updated on 29 May 2026Announcements