# Announcement on the launch of order book feature on MDEX Dear users, [MDEX.COM](https://mdexdoc.gitbook.io/doc/announcement/www.mdex.com) launched order book feature to further improve the trading experience for users according to the official roadmap at 20:00 (UTC+8) on October 30, 2021. Users can trade tokens at the desired price through limit order onwards. The success of a particular transaction depends on the pending orders of both the buyer and seller as what CEX is, which can save users from staring at the market. Order book for DEX is a technical innovation composed of order book and the AMM liquidity pool with full adoption of the users' suggestion. This will solve the problem that failure of transactions caused by the different order book depth existing in the market, which can bring users a better trading experience. Risk reminder: Cryptocurrency trading is risky. Please be vigilant in your purchase and pay attention to transaction risks. MDEX Team Oct 30 2021 --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://mdexdoc.gitbook.io/doc/announcement/announcement-on-the-launch-of-order-book-feature-on-mdex.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.