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>From my archives.....I found three different formulas for the True Strength
Index:
1. rr:= Input("first smoothing r" ,1 ,100 ,25 );
ss:= Input("second smoothing s" ,1 ,100 ,13 );
uu:= Input("third smoothing u",1,100,1);
numerator:=100*(Mov(Mov(Mov(ROC(C,1,$),rr,E),ss,E),uu,E));
denominator:=Mov(Mov(Mov(Abs(ROC(C,1,$)),rr,E),ss,E),uu,E);
If(denominator<>0,numerator/denominator,0);
2. 100*(Mov(Mov(ROC(C,1,$),40,E),20,E)/Mov(Mov(Abs(ROC(C,1,$)),40,E),20,E))
3. rc:=Mov(Mov(ROC(C,1,$),40,E),20,E);
rc1:=If(rc=0,1,Mov(Mov(Abs(ROC(C,1,$)),40,E),20,E));
100*(rc/rc1)
Take your pick. <g>
Claud
neo wrote:
Would
you mind posting the formula?Thanks
-----Original
Message-----
From: owner-metastock@xxxxxxxxxxxxx
[mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of William Gross
Sent: Wednesday, January 02,
2002 2:23 PM
To: metastock@xxxxxxxxxxxxx
Subject: True Strength Index
Has anyone system tested to see if the
25/13 periods used in the formula for theTrue Strength Index in the Active
Trader Magazine article this month is better or worse than some alternatives
(like 17/9)? Especially on a 15 minute chart... William
GrossVenice CA
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