[amibroker] How to write this is the first buy signal in the past 6 bars

["Padhu" <ccie8340@xxxxxxxxx>]

Folks,

 

Say i have buy = condition1;

Alert gets generated...Now few bars later again condition1 matches and another alert gets generated.

So i'd like add a filter that says Buy=condition1 and this is the first Buy in the past six bars so that buy signals don't repeat every other bar if the condition matches.

 

I tried something like this

 

 buy=condition1 and ref(buy,-1)=0 and and ref(buy,-2)=0 and and ref(buy,-3)=0 and and ref(buy,-4)=0.

 

But its not working.

 

How do I code this in AB 4.9?. Thanks.

 

cheers,Padhu

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