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Spot Bid Ask Delta

Definition

Spot bid-ask delta represents the difference between the highest price a buyer is willing to pay (bid) and the lowest price a seller is willing to accept (ask) for an asset in the spot market. This metric quantifies the spread, indicating market liquidity and the cost of immediate execution. A smaller delta suggests higher liquidity and tighter spreads, while a larger delta implies lower liquidity and greater transaction costs. It is a direct measure of market efficiency and order book depth.