+The **Order Book** is a real-time digital ledger, displaying all unfulfilled buy and sell [Limit Order](/wiki/limit_order)s for a specific financial instrument. It offers a transparent, dynamic view into [Market](/wiki/market) depth and liquidity, reflecting the collective intent of participants.
+## See also
+- [Trading](/wiki/trading)
+- [Exchange](/wiki/exchange)
+- [Bid Ask Spread](/wiki/bid_ask_spread)
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