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Rapid RSI by Ian Copsey

Relative Spread Strength. Ian Copsey's article in this issue, "Relative Spread Strength,"
introduces two variations on the relative strength index (RSI). The formula for these indicators and the instructions for adding them to MetaStock follow.

To enter these indicators into MetaStock:

1. In the Tools menu, select "Indicator Builder."
2. Click New to open the Indicator Editor for a new indicator.
3. Type the name of the formula.
4. Click in the larger window and type in the formula.
5. Click OK to close the Indicator Editor.


Rapid RSI

tp:= 14; { time periods in RSI calculation}
plot:= C;
change:= ROC(plot,1,$);
Z:=Sum(If(change>0,change,0),tp);
Y:=Sum(If(change<0,Abs(change),0),tp);
Ytemp:=If(y=0,0.00001,y);
RS:=Z/Ytemp;
100-(100/(1+RS))


--William Golson
MetaStock Support Representative
Equis International (A Reuters Company)
801 265-9998, www.metastock.com
Source / From: TOP
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