Bollinger %B does anyone have the exact code as used by prorealtime

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07/27/2023 at 10:14 PM #218234 quote

grantmu
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New

Hi

I am having a problem creating a Bollinger%b for an indicator i want to use. i have the formula as listed by prorealtime %b = (close – lower Band)/(upperband – lowerband).

he problem i am having is that he built in indicator does exactly waht i need it to do but i dont want to use the “call” function. The default has a few things in it that are not part of the listed formula. it seems to have some form of Standard Deviation as well as a selection of diferant methods.

Does anyone have the code that will replicate the prorealtime indicator exactly.

included a pic of the kind of thin I am looking for

SAF-1-minute.png

07/28/2023 at 7:53 AM #218238 quote
MauroPro
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Veteran
If it can be useful to you, I use this that I have written.
```
//Bollinger %B

lengthBol = 20
multiplier = 2
avg = average [lengthBol] (close)
stDev = std [lengthBol] (close)
percBolH = avg + multiplier * stDev
percBolL = avg - multiplier* stDev

percB = (close - percBolL) / (percBolH-percBolL)*100
overbought = 80
oversold = 20

RETURN percB as"%B", overbought, oversold
```
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Bollinger %B does anyone have the exact code as used by prorealtime

ProOrder: Automated Strategies & Backtesting

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grantmu @grantmu Participant

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This topic contains 1 reply,
has 2 voices, and was last updated by MauroPro
2 years, 6 months ago.

Topic Details

Forum:	ProOrder: Automated Strategies & Backtesting
Language:	English
Started:	07/27/2023
Status:	Active
Attachments:	1 files

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