Touch

The touch is the best bid and best ask taken together — the top of the order book. An order placed 'at the touch' is at the current best price on its side.

market microstructure · updated 2026-09-08

See also

• Bid-ask spread — The bid-ask spread is the difference between the best bid and the best ask. It is the immediate cost of trading in and straight ba…
• Order book — The order book is the live list of all outstanding buy and sell orders for an instrument, arranged by price, that a trading venue …

Terms that refer here

Bid-ask spread

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