[amibroker] How to find a lowest or highest value in the period

["Richard" <richpach2@xxxxxxxxx>]

Hello, can someone help please with the question how to find a lowest or highest value in the last period? 
HHV and LLV give values calculated from first to the last bar. I need the lowest values of the last period say of 30 bars based on countback from last bar to 30 bars back. Do I need another function for this or do I need to use a loop like in - for (i = BarCount; i < 30; i--)?

Regards
Richard



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