[amibroker] Safe to use Peak in backtesting ?

["hmab1" <hossamb@xxxxxxxxxxxx>]

Hello,

I would like to AFL's Peak function with a 3% change parameter to 
determine the last peak.  Since Peak depends on Zig, when is it safe 
(i.e. not looking into the future) to use Peak ?  I.e. when would it 
be ok to use Peak function in a backtest ?

Is the answer = it is safe to use Peak(C, 3, 1) if we are sure that 
at least a 3% change (up or down) has occured in the price since the 
peak ?

Thanks,
HB


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