"downtick." YourDictionary, n.d. Web. 19 October 2018. <http://www.yourdictionary.com/downtick>.
downtick. (n.d.). Retrieved October 19th, 2018, from http://www.yourdictionary.com/downtick
downtick - Investment & Finance Definition
trade that occurs at a lower price than the previous trade. To indicate that it
is a downtick trade, a minus sign is displayed next to the last price where the
stock traded. Short sales can’t be executed on downticks.