gap formula

["David Holzgrefe" <dtholz@xxxx>]

Here's a formula that canbe used in guru Chart 
Commentary as we as Auto analysis..
Its very simple maybe you could add a volume filter 
to weed out some of the common gaping stocks...
 
 
 
/*<FONT face=Arial 
size=2>File:          Gap Guru 
Commentary** Requirements:  AmiBroker 3.0 (AFL 1.1)** Last 
Modified: David 14 jan,2001*/
 
"Review of " + name() +" as of 
"+date();
 
 
 
buy = gapup();sell = gapdown();
 
"Watch out for sucker Gaps when a stock goes ex 
dividend"; "or Common Gaps where stocks trade under normal low Volumes where 
liquidity is poor ";