Definitions for "downtick"
A Downtick occurs when a securitys transaction occurs at a lower price than...
Securities transaction that is executed at a price below the last different price; also known as a "minus tick." For example, if the last three sales of a stock executed at $52, $52, and $51, the $51 trade is a downtick. See also uptick and zero-plus tick.
Movement of the price downwards