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Trading & AMMs

Order Book

Real-time list of buy and sell orders organized by price levels

Definition

An order book is a real-time electronic list of buy and sell orders for an asset, organized by price level. It shows market depth and available liquidity at different price points.

Order Book is a trading term used to understand Real-time list of buy and sell orders organized by price levels. In practice, it matters because it affects how users evaluate protocols, compare opportunities, and avoid hidden assumptions.

Example

On a centralized exchange like Coinbase, the ETH/USD order book shows all pending buy orders below current price and sell orders above.

1

How it works

In practice, the concept shows up like this: On a centralized exchange like Coinbase, the ETH/USD order book shows all pending buy orders below current price and sell orders above.

2

Why it matters

Order Book matters because small misunderstandings in DeFi can turn into bad pricing, liquidation, governance, custody, or smart-contract risk. A good mental model helps you compare protocols without relying on marketing language.

3

What to check

Treat it as a trading concept: compare expected benefit with fees, slippage, liquidity, volatility, and execution risk. The main checks are: Order manipulation; Liquidity gaps; Centralized control.

Risks to Consider

  • Order manipulation
  • Liquidity gaps
  • Centralized control

Common Questions

What does Order Book mean in DeFi?

Order Book means Real-time list of buy and sell orders organized by price levels. The useful question is not only the definition, but how the mechanism changes risk, return, liquidity, or governance for the user.

How is Order Book used in practice?

A practical example: On a centralized exchange like Coinbase, the ETH/USD order book shows all pending buy orders below current price and sell orders above.

What should I check before relying on Order Book?

Check order manipulation, liquidity gaps, centralized control. Also verify liquidity, oracle assumptions, admin controls, and whether the protocol has been tested during stressed markets.