Finance glossary
Order Book
Definition
A real-time list of buy and sell orders for an asset, organized by price.
The order book displays all outstanding buy orders (bids) and sell orders (asks) at each price level, revealing supply and demand. Traders read it to gauge liquidity and potential support or resistance. Depth of book shows how many orders sit beyond the best bid and ask.
In a sentence
Reading the order book, she saw a wall of sell orders just above the current price.
Get a word like this every morning
Word of the Day on your Home Screen, with quizzes and flashcards. Get the app →