Related: Tick-test rules
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.
Zero Plus Tick
On an exchange, a transaction in which a security was traded at the same price as its previous trade, which was in turn higher than the trade before that. Some regulations and rules on exchanges only permit certain transactions following a zero-plus tick or an uptick, though some, such as the short sale rule have become obsolete with increased digitalization of the market.
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