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 ?
Any prisoner who is likely to be locked up for more than three months, whether convicted or not, must be allowed to register a civil partnership - and the rules also extend to sex-change prisoners who want to marry a fellow crook.
I am really concerned about these detainees locked up at local police stations," Fatma Al Sa'adi, sister of Sultan Al Sa'adi, said.