Lock

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Lock

Used in the context of general equities. Make a market both ways (bid andoffer) either on the bid, offering, or an in-between price only. Locking on the offering occurs to attract a seller, since the trader is willing to pay (and ask) the offering side when others only ask it. Locking on the bid side attracts buyers for similar reasons. Typically, the sell side requires a plus tick to comply with short sale rules.
References in periodicals archive ?
We implemented a lockless work-stealing queue due to Chase and Lev (2005).
Similarly, the local branch of state-owned UCO Bank prides itself on its "lockless" status.
This new lockless storage service provides fully random read/write storage that can be accessed through the HDFS application programming interface (API) of course, but also through the NFS.