Difference Between Order Book and Trade Book

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  • 17 Oct 2023
Difference Between Order Book and Trade Book

Key Highlights

  • The Order Book is like a live list of what people want to buy and sell right at this moment. It's like a menu of active requests to trade.
  • On the other hand, the Trade Book is more like a history book. It keeps a record of all the trades that have already happened in the past. It's like a log of what's already been bought and sold.
  • The Trade Book is like a library where traders can learn from the past. It's useful for looking back at trades that are already finished.
  • The Trade Book helps traders review what they did and how well they did it after making a trade.
  • The Order Book is more like a tool for quick decisions. It helps traders see what's happening right now in the market, so they can decide what to do next.
  • Traders use the Trade Book to check and make sure their trades happened the way they wanted them to.

So, the order book and the trade book are like two helpful tools for traders, one for quick decisions in the present and the other for looking back and learning from the past.

An order book is like a trading tool that shows what people want to buy and sell at this moment. When you look at it, you see a list of all the requests to trade a particular thing, like a stock. This list is organized with details like the price people are willing to pay or accept, how much they want to trade, what type of order they're using (like a market order or a limit order), and whether the order is still waiting, partially filled, or canceled.

The main job of the Order Book is to help traders figure out when and at what price they should start or stop a trade. Traders can check the Order Book to understand how much demand and supply there is at different prices, which is very important for making good decisions. The Order Book keeps updating in real-time as new orders come in, get filled, or are canceled. This helps traders see the changing situation in the market right away. It also shows how their orders fit into the overall trading picture.

Understanding a Trade Book Now, the Trade Book does something different. It's like a history book of all the trades that have happened with a specific thing, like a stock. The Trade Book records things like the price of each trade, how many shares or contracts were traded, and the exact time of each trade.

Unlike the Order Book, which shows what's happening right now, the Trade Book is like a record of what's already happened. Once a trade goes into the Trade Book, it stays there. Its main job is to give traders a record of all the deals that happened for a particular asset. Traders can look at this historical data to track how prices have changed over time, spot trends, and check if their trading strategies are working. The Trade Book is usually available for viewing after the trades have already taken place, unlike the Order Book, which shows real-time information for everyone using the platform.

Here's a table comparing order book and trade book in online trading:

Aspect Order Book Trade Book
PurposeDisplays a real-time list of pending buy and sell orders for a particular financial instrument.Records the history of executed trades for a given asset, including details such as time, price, and quantity.
Information ProvidedLists outstanding orders, including price, quantity, and order type (market, limit, stop, etc.).Records completed trades, including trade time, price, and the volume of assets bought or sold.
Real-time UpdatesConstantly updates to reflect changes in open orders as new orders are placed, modified, or canceled.Updates in real-time as trades occur, providing a record of each executed trade as it happens.
Trader's UseHelps traders gauge supply and demand levels for an asset, revealing potential price support and resistance levels.Provides a historical record for traders to review their past trades and transaction details.
Trading Decision SupportUseful for making informed trading decisions, as it shows the order flow and market sentiment.Helps traders analyze their trade history, assess trading performance, and refine their strategies.
Market TransparencyIncreases transparency by displaying all visible orders in the order book, allowing traders to see market depth.Enhances transparency by providing a detailed record of completed trades, promoting price discovery.
Types of DataTypically includes bid and ask prices, order quantity, and order type.Contains information on executed trades, including trade price, trade time, and trade quantity.
Trading ImpactMay affect market sentiment, as visible orders in the order book influence trader decisions and market dynamics.Reflects past market activity and does not directly influence the current market price.
Order MatchingThe order book plays a crucial role in matching buy and sell orders to execute trades.The trade book records trades after they have been successfully matched and executed in the market.
Commonly Used PlatformsUtilized on trading platforms, exchanges, and financial websites to provide real-time market depth data.Found on trading platforms and brokerage account statements to help traders review their trade history.


The Trade Book and the Order Book are integral components of online trading, each serving distinct purposes. In contrast, the Order Book operates in real-time, providing immediate insights into pending buy and sell orders. It plays a pivotal role in quick decision-making and trade execution. By revealing current market dynamics and order flow, it aids traders in assessing supply and demand, making it indispensable for timely trading decisions. Both the Trade Book and the Order Book contribute to informed decision-making and market transparency, catering to various aspects of the trading process. These tools are indispensable instruments in the world of online trading, offering traders the historical perspective of past transactions and the real-time information required for making sound trading decisions.

FAQs on Trade Book and Order Book

The Order Book shows pending buy and sell orders in real-time, while the Trade Book keeps track of completed transactions and provides a historical record for analysis and compliance.

Orders in the Trade Book cannot be changed. It does not serve to place or alter orders; instead, it serves to record trades that have been completed.

A trade is the actual execution of an order, producing a successful transaction, whereas an order is a request to purchase or sell a financial asset at a given price.

A live list of pending purchase and sell orders for a financial instrument is known as an order book. Businesses keep it up to ensure transparency, which promotes fair and effective trading by displaying market depth.

Supply and demand are shown in the order book at various price points. Price increases are often the result of increasing buying demand, whereas price decreases may result from increased selling pressure. It affects the direction of prices and market sentiment.

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