[amibroker] 20 Day High

["burlap58" <burlap58@xxxxxxxxx>]

In using the following AFL:

X = 20; // number of days

NewHigh = HHV( Close, X ); // 

Filter = NewHigh; 

AddColumn( Close, "Close" );  I'm trying to find symbols in a watch
list whose most recent close is a 20 day high.
I get an exploration, but many of them are not 20 day highs. I'm using
a 20 period Donchian Channel as a comparison. I was expecting all the
listed symbol's most recent close to close greater than yesterday's
channel. I realize the achannel won't be broken. Any suggestions?
Thanks, Lloyd




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