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My %b indicator is plotting a flat line at 0.00, can anyone help with the
following code in TS4.0?
Function: My_Lower_BB
Input: PRICE(Numeric),LENGTH(Numeric),SDEV(Numeric);
My_Lower_BB = BollingerBand(PRICE, LENGTH, - SDEV);
======================================================
Function: My_Upper_BB
Input: PRICE(Numeric),LENGTH(Numeric),SDEV(Numeric);
My_Upper_BB = BollingerBand(PRICE, LENGTH, SDEV);
======================================================
Function: My_PctBollinger
Input: PRICE(Numeric),BBLGTH(Numeric),SDEV(Numeric);
IF My_Upper_BB(PRICE, BBLGTH, SDEV) - My_Lower_BB(PRICE, BBLGTH, -SDEV) <> 0
Then
My_PctBollinger = ((PRICE - My_Lower_BB(PRICE, BBLGTH, -SDEV)) /
(My_Upper_BB(PRICE, BBLGTH, SDEV) - My_Lower_BB(PRICE, BBLGTH, -SDEV)));
======================================================
Indicator: My_%b
{%b of Price(Close)}
{from the book 'Bollinger on Bollinger Bands by John Bollinger C2002}
Inputs: Price(AvgPrice), BBLgth(21), SDev(2);
{Calculate %b with formula %Bollinger = ((Price - My_LowerBB) / (My_UpperBB
- My_LowerBB)) }
Value1 = 100 * My_PctBollinger(Price, BBLgth, SDev); { %b in
percent-value }
Plot1(Value1, "My_%b");
Plot2(80, "OverBought");
Plot3(50, "Neutral");
Plot4(20, "OverSold");
Thomas J. Festa, CMT
Proprietary Trader & Technical Analysis Investment Consultant
Cell: (908) 581-8880
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