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How do order-book liquidity and slippage work?

Understand why displayed and average execution prices differ.

Rédaction Smart CoinMis à jour 2026-08-18Environ 8min

The best quote is not enough

Top bid and ask may cover only a small order.

Impact changes with order size

Consuming several price levels worsens the average fill.

Read spread with depth

A narrow spread can still hide a shallow book.

  • Depth at a defined notional
  • Bid–ask imbalance
  • Quote cancellation during volatility

Questions fréquentes

Does high volume always mean good liquidity?

No. Historical turnover and currently executable depth are different.

Sources

Vérifié avec des sources officielles. Consultez la source originale.

Informations générales, sans conseil financier ni garantie de rendement.