Gap
The difference between today's open and yesterday's close.
Formula
Gap = Open ÷ Prior close − 1
How to use it
Gaps often fill — or, on news and heavy volume, run.
In Kereon
Investing · price record. Gap frequency is the share of the last 252 sessions that opened more than 1% away from the prior close.
Market · Radar. From the regular-session open (or the last pre-market print before it) to the previous close; the gapper scans list moves of 1.5% or more.
Also called: gap, gap %, avg gap up, avg gap down, gap up freq, gap down freq.