In certain situations, our customer support team may ask you to join a video call to help resolve your issue more efficiently. This guide will walk you through how to join a video call with us using the OKX web/app.What do you need to prepare before the video call? The session will be conducted in English. Please have your original identification document ready for verification during the video call session (photocopies are not accepted).

You can set the anti-phishing code in User Center > Security Center > Anti-phishing code. After setting the anti-phishing code, the email sent by OKX will contain the anti-phishing code you set. If there's no anti-phishing code in the email, it's a forged or fraudulent email. Whenever you find an SMS or email is suspicious, you're always welcome to contact our support center that's available 24/7 to verify the authenticity of the message.

This project team's opening price is displayed for information purpose only, and is not determined by the call auction mechanism, and will not impact the prices where you will execute the orders.5. Can the best bid price be higher than the best ask price during the pre-open period? Yes. During the pre-open period, orders are collected but not executed. As a result, the displayed best bid price may be higher than the best ask price.

Voice phishing (vishing) that uses voice calls. A malicious person who uses vishing can call you and pretend to share that there's some news about your P2P orders or account. We'll never ask you for your personal info through a call or message you haven't requested. If you receive a suspicious email, SMS, or voice call, try to verify it through our official verification tool.

Select other alternative authentication methods if your SMS code doesn't arriveOn the web Select call me instead if you can't receive the SMS code Select call me instead if you are unable to receive the code Note: Use a trusted device: If you're already logged in on another device, try completing the OTP verification on that device instead.

Always remember: OKX will never ask you to call a number or click a link in an SMS to verify your account or resolve any account issues immediately. When in doubt, pause and check through the official OKX app or website. A few moments of caution could protect everything in your account. Stay safe and informed. You can check the authenticity of our channels here or if you have any questions, reach out to OKX’s official support—we're here to help.

You need to call the system time interface here to synchronize your local time with our server's time. Keeping the time difference within 30 seconds can help avoid this issue. Note: the time in the request header time is in UTC0. When calling the server time interface, the time is provided in UTC + 8.What's "Interface error: 50101 APIKey does not match the current environment"? This is due to the mismatch between the API key and the current environment.

The idea is to make money off the price difference between the two futures – which are also called the two legs of the strategy. The profit a trader makes from this trade comes from the price difference, or spread, between those two contracts. That’s why this strategy is called market neutral; the underlying asset’s price direction does not influence its profitability.

The initial margin is the amount you must deposit to open a leveraged position, and the maintenance margin is the minimum amount needed to keep the position open.4. What happens if my margin falls below the maintenance level? If your margin falls below the maintenance level, we may issue a margin call, requiring you to deposit additional funds. If you fail to meet the margin call, your position may be liquidated to prevent further losses.5. Can I use cross margin and isolated margin on OKX?

Contract Type Relationship between S (final settlement price) and K (strike price) ITM/ATM/OTM Call options S>K ITM SK OTM S=K ATM What's the settlement currency for Options trading on OKX? OKX Options Orderbooks are settled in BTC or ETH instead of stablecoins. You can use stablecoins as margin if you trade in Portfolio margin or multi-currency cross mode.What's the index for contract in OKX Options trading? The underlying index is BTC-USD or ETH-USD.

Customizable strategies: Carry trades (spot vs future/perp), futures spreads (future vs future/perp), call/put spreads, calendar spreads, butterfly spreads, condors, ratio spreads, diagonal spreads, back spreads. Options/volatility strategies: collars, straddles, strangles, covered call, protective put, synthetic futures. Creation of synthetic currency pairs by going long one name and short another. For example, BTC/USDT vs AVAX/USDT booked atomically create a synthetic BTC/AVAX pair.

Phone verification: when you request phone verification, we'll call the phone number linked to your account. Just follow the voice prompts: select 1 to confirm authorization or 2 to cancel it. You can request up to 5 phone verification calls in 1 hour. Email verification: when you request email verification, we'll send a link to the email linked to your account. Open this link to confirm authorization. If you can't open the link from email, try copying and pasting it to your browser.

On our platform, it helps prevent traders from owing more than their initial investment.What are the tools and features to help you? Maintain a healthy margin level: a key risk metric in tracking healthy measures, you can spot the margin level as on the image below. Liquidation happens when the level reaches 100% and the margin call alert is at 300% (TBA).

In short, Simple Buy prioritises convenience by providing a locked‑in quote within seconds, whereas Spot Trading offers greater control by letting you place orders at real-time market prices.What's Simple Buy & Sell? Simple Buy & Sell Crypto (sometimes called Convert) gives you an instant quote for your trade. The price is locked for a few seconds while you review it, temporarily shielding you from sudden market swings.

For your security, you won't be able to withdraw funds or use P2P trading within 24 hours of changing your phone number.I want to change my phone number You can switch to a new phone number in your OKX account. To do this, follow the guide below: How do I change my phone number? If you've mobile verification enabled for logins, you can still log in without it. Start logging in and select Switch verification method (in the app) or Call me instead (on the web).