To enhance feed efficiency and stability, OKX is scheduled to deprecate the checksum field across WebSocket order book channels. The deprecation will take effect on the demo environment on 2 June 2026 and on the production environment on 23 June 2026. The change applies to the books, books-l2-tbt, and books50-l2-tbt channels . After the deprecation date, the checksum field will remain present in push messages but will always return 0 and must no longer be used for data integrity validation.

When you choose to verify an address in the withdrawal address book, it will be verified for 30 days by default. Select "Change verification period" to verify the address permanently. This feature will be available in both web and app (version 6.75 and newer). OKX team July 4, 2024

You can either enter the address or select the address in your address book. If there's no address available, you can select Add address or Manage address book to add a new address to your address book. Open your address book 4. Select Add address and select your preferred options; whether single address or multiple addresses. Note: when adding address, you can save the network selected as an EVM network address to withdraw other crypto from this network.

Accept the speed bump applied before the order enters OKX’s system.Are ELP orders visible in the order books? API order book ELP orders will be excluded from current order book REST endpoints or WebSocket channels. GET /api/v5/market/books GET /api/v5/market/books-full WebSocket: books/books5/bbo-tbt/books-l2-tbt/books50-l2-tbt There will be a new WebSocket channel to include all ELP orders only (both valid and invalid orders).

With this feature enabled, you can only withdraw to addresses saved in your address book. To add a new address, simply add it to your address book prior to withdrawing. If your account is compromised, the extra layer of protection will prevent you from withdrawing funds to any unauthorized addresses.Getting started Open your OKX App, go to Assets > Withdraw > Select Withdraw crypto > Select crypto 2. Select Address book > Tap Address Settings icon in the top-right corner 3.

Whereas for Crypto-margined spreads, the price is in USD and the quantity is also measured in USD.Type of Orders There are currently three types of orders available in Nitro Spreads: Limit order (default) If you want to immediately fill an order, you can simply place an order with a price that crosses the book. Conversely, you can add a passive order into the book by placing an order with a price that doesn’t cross the book.

On 16th August 2024, OKX announced the launch of Australian dollar (AUD) trading order books, making it the largest global exchange to offer order book-based AUD pairs for spot in the country. OKX customers in Australia will be able to trade major cryptocurrencies USDT, USDC, BTC and ETH, against AUD. From 11th December 2024, OKX Australia has added SOL and XRP to its AUD order book, bringing an enhanced trading experience, flexibility and new market opportunities to Australian customers.

The combo price as displayed on the builder is based on the mid-point of the latest bids and asks on the order book. However, block trading occurs off of the order book as a privately negotiated transaction between a Taker and a Maker. Therefore, the quote that the Maker provides to you does not necessarily need to match the order book price.

Order Book & Pricing Price equals probability. Each share is priced between 0.001 and 0.999 USDT, directly reflecting the market's collective assessment of the probability that the event will occur.The order book is a list of all unfilled buy and sell orders in a market, divided into two sides (bid and ask). Spread is the gap between the highest bid and the lowest ask. A tighter spread indicates better market liquidity.

Guaranteed, instant off-order book execution: Place trades of any size without impacting the order book. Use 20+ predefined strategies including future spreads, options, straddles, and more. Avoid price slippage risk when executing multiple-leg strategies. Streamlined workflows: Two-click trading eliminates the operational burden across the entire workflow. End-to-end automated execution from order, to price discovery, settlement, and clearing, makes for an efficient experience.

Order book mode: enhancing precision OKX introduces an Order Book Mode allows you to dive deep into market dynamics. This feature provides a comprehensive view of buy and sell orders, enabling traders to make informed decisions based on real-time market data. By enhancing precision, Order Book Mode empowers you to execute trades with greater accuracy and efficiency.

Address book updates We've updated the address book with new Network scope and Token scope options, giving you more flexibility and control over which networks and tokens each saved address applies to. When you're making a withdrawal, the address book also automatically filters addresses based on the network and token you've selected. What do "Network scope" and "Token scope" mean when I add an address? These new options give you more flexible and secure control over your withdrawal addresses.

Supports placing orders by contract quantity If the order price can be matched immediately against the current order book, it is filled immediately (Taker) If it cannot be matched immediately, it rests in the order book and waits (Maker) (2) Market Order No price is specified; the order is filled immediately at the best available price in the current order book. Suitable for users who want to enter or exit positions quickly.

Nitro Spreads Nitro Spreads is a spread order book within Liquid Marketplace for you to trade spreads and basis. Spread trading capitalizes on spreads, i.e. price differences between related assets across different markets, usually with the same underlying or reference instrument. Nitro Spreads simplifies spread trading by simplifying the process for you. No more juggling positions across separate order books.

Post-only mechanism: Always act as maker orders, which adds liquidity to the order book. Exclusive matching: Match exclusively with taker orders that aren’t directly placed through OpenAPI. Lower priority execution: Execute only after all non-ELP orders at the same price level are completed. Order visibility: ELP orders will be displayed in the user interface without specific indications. There is a new data feed `books-elp` in OpenAPI to return ELP orders.