What Is Level 2 Market Data? How to Read the Order Book (DOM)

Level 2 market data shows the order book — the bids and asks resting around the current price. Learn how to read the DOM, why displayed size can mislead, and how it fits a real process.

Level 2 market data shows the order book — the bids and asks resting around the current price. Learn how to read the DOM, why displayed size can mislead, and how it fits a real process.