Used in the context of general equities. Sale that takes place at the same price as the previous sale, but at a lower price than the last different price. Antithesis of zero-plus tick .
ZERO-MINUS TICK
Meaning of ZERO-MINUS TICK in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012