How to use the Bollinger in Screen?

thomas2004ch · Mon, 02 Jan 2023 14:42:06 +0000

Hi, There is the indicator BollingerBand and I can change the parameter of standard deviation. But as I want to use it in my screener I can get BollingDown(20) and BollingerUp(20). How can I change the stabdard deviation? Regards

This topic has 2 replies, 2 voices, and was last updated 2 years ago by thomas2004ch.

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01/02/2023 at 3:42 PM #206674

thomas2004ch

Hi,

There is the indicator BollingerBand and I can change the parameter of standard deviation. But as I want to use it in my screener I can get BollingDown(20) and BollingerUp(20). How can I change the stabdard deviation?

Regards

thomas2004ch
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01/02/2023 at 4:37 PM #206679

JS

This instruction use the default parameter of a Bollinger band = 2 deviations from the mean. If you want to find the bollinger up band with only 1 deviation, you have to re-code it yourself:
dev = 1 //quantity of deviation
avg = average[20](close) //mean
BollUp = avg+std[20](close)*dev //Bollinger Up value

JS
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01/03/2023 at 6:42 AM #206708

thomas2004ch

Many thanks!

thomas2004ch
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