[amibroker] How to identify status of today's price status

["Habibur Md. Rahman Planning Networks" <habib@xxxxxxxxxxxxxxxx>]

Hi

I want to detect the status of current day's price status, that is, this is the highest (or lowest) closing price of last nth day's closing price. What could be the afl to detect the value of n?

Another thing is, when working with loop, how I can break the loop based on array condition. For example, When the condition Ref(O,-i) > Ref(O,0) first occurs i want to break the loop and get the value of 'i'. Since 'If' doesn't work on array, then how to do it?

Regards
Habib

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