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Level 2 Market Data Explained: Order Books and Market Depth

September 14, 2026 by Bruno M.

Editorial illustration: High-tech electronic limit order book with dual green bid and red ask market depth tiers meeting at the spread.

Learn how Level 2 market data, electronic order books, and market depth work. Understand the NBBO, price-time priority, bid-ask spreads, and liquidity traps.

Categories Market Education Tags bid ask spread, investing basics, level 2 market data, market depth, nbbo, order book

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