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[amibroker] Re: help coding AFL regarding prior low



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Thanks both of you for the help and fast replies!

-Andy

--- In amibroker@xxxxxxxxxxxxxxx, "hoolee0820" <hoolee0820@xxx> wrote:
>
> tick = 0.01;
> d20L = Ref(LLV(L,20),-1); 
> isd20L = L < d20L;
> d20H = Ref(HHV(H,20),-1);
> isd20H = H > d20H;
> 
> ttlb = isd20L AND BarsSince(Ref(isd20L,-1)) >= 3 AND C >= d20L+5*tick;
> ttls = isd20H AND BarsSince(Ref(isd20H,-1)) >= 3 AND C <= d20H-5*tick;
> 
> //you need to decide on the tick value and how many ticks, the code 
> above uses 0.01 and 5.
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "nguyen_atd" <nguyen_atd@> wrote:
> >
> > Hi, 
> > 
> > I'm trying to learn more about AFL and would like to code the 
> following 
> > from Turtle Soup:
> > 
> > 1. Today's low must make a new 20-day low.
> >  i.e
> > Perlow =Ref( LLV( Low , 20 ) , -1 ); 
> > Newlo= Low > Perlow;
> > 
> > 2. The previous 20-day low must have occurred at least four trading 
> > sessions earlier. 
> > 
> > Tried various combinations of barsince, and read about trough but 
> don't 
> > understand enough of it to figure this out. Can someone help?
> > 
> > Thanks.
> > 
> > Andy
> >
>



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