
A market is locked if the bid price equals the ask price. This can occur, for example, if the market is brokered and one side pays brokerage only, in over-the-counter trading the initiator of the transactions. Highly competitive market environment with inside bid and offering at the same price. Often occurs when an OTC dealer has not updated the ma...
Found on
http://www.duke.edu/~charvey/Classes/wpg/bfglosl.htm

A market is locked if the bid = ask price. This can occur, for example, if the market is brokered and brokerage is paid by one side only, the initiator of the transaction.
Found on
http://www.encyclo.co.uk/local/20047

A market is locked if the bid price equals the ask price. This can occur, for example, if the market
Found on
http://www.encyclo.co.uk/local/22402

For equities a market is locked when the bid price equals the asked price. In futures markets a locked market is one where trading is halted because prices have reached their daily limit move.
Found on
http://www.exchange-handbook.co.uk/index.cfm?section=glossary&first_letter=
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