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Ed,
Here is the formula as I read it in your description:
fourCrows_With_engul=Ref(C,-4) < Ref(O,-4) AND Ref(H,-4) < Ref(H,-5) AND
Ref(L,-4) < Ref(L,-5) AND Ref(C,-3) < Ref(O,-3) AND Ref(H,-3) <
Ref(H,-4) AND Ref(L,-3) < Ref(L,-4) AND Ref(C,-2) < Ref(O,-2) AND
Ref(H,-2) < Ref(H,-3) AND Ref(L,-2) < Ref(L,-3) AND Ref(C,-1) <
Ref(O,-1) AND Ref(H,-1) < Ref(H,-2) AND Ref(L,-1) < Ref(L,-2) AND O > C
AND H > Ref(H,-1) AND L < Ref(L,-1);
Filter=fourCrows_With_engul > 0;
Buy=fourCrows_With_engul;
Anthony
"Edward M. Wylonis " wrote:
> I have been reading the discussions for about two months now and I am
>
> impressed with the knowledge available here. I have been trying to
> learn AFL by actually doing. But I am having trouble understanding
> the process in the Automatic Analyzer. I have read and re-read the
> User's Guide. I coded a complete trading system based on what I have
> learned by reading the posts here and the User's Guide but I am
> getting erroneous results. So I stripped all of the trading code to
> a basic scan for stocks. I have provided the code and partial
> results below. I would appreciate any guidance you can give me about
> what I am doing wrong or where I should go to find out why I am not
> getting stocks that exhibit the four black crows with an engulfing
> day following them when I do a scan.
>
> Thanks in Advance.
>
> Ed Wylonis
>
> ----------------------------------------------------------------------
>
> ----------------------------------------------------------------------
>
> ------------
> /*Scan for stocks that show four consecutive bars in which the Close
> is less than the Open and the High and Low are less than the previous
> day. On the fifth day, the Open is greater than the Close and the
> High is greater than the previous day's High and the Low is lower
> than the previous day's Low. Using Candlesticks this would equate to
> four solid red bars down (four crows) with the fifth bar engulfing
> the previous bar.
> */
>
> Filter = (Sum(Volume,8)/8) > 100000
> AND Close > 2 AND Close < 20
> AND Ref(Close,-5) < Ref(Open,-5) AND Ref(Low,-5) < Ref(Low,-6) AND Ref
>
> (High,-5) < Ref(High,-6)
> AND Ref(Close,-4) < Ref(Open,-4) AND Ref(Low,-4) < Ref(Low,-5) AND Ref
>
> (High,-4) < Ref(High,-5)
> AND Ref(Close,-3) < Ref(Open,-3) AND Ref(Low,-3) < Ref(Low,-4) AND Ref
>
> (High,-3) < Ref(High,-4)
> AND Ref(Close,-2) < Ref(Open,-2) AND Ref(Low,-2) < Ref(Low,-3) AND Ref
>
> (High,-2) < Ref(High,-3)
> AND Ref(High,-1) > Ref(High,-2) AND Ref(Low,-1) < Ref(Low,-2) AND Ref
> (Close,-1) > Ref(Open,-1);
>
> Buy = Filter;
> ----------------------------------------------------------------------
>
> ----------------------------------------------
>
> Partial Results of Scan made on 2/25/03
>
> AGEN Buy 2/21/03 8.23
> ALS Buy 1/10/03 5.47
> ASPM Buy 1/10/03 3.70
> CEI Buy 2/26/03 14.65
> CYTO Buy 1/10/03 3.33
> DFS Buy 2/26/03 10.95
> ERICY Buy 1/10/03 8.84
> FCGI Buy 2/21/03 6.13
> GCO Buy 1/10/03 19.84
> GNCMA Buy 2/21/03 5.54
> GTI Buy 2/21/03 3.59
>
>
>
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