StockFetcher Forums · General Discussion · 2 different bollinger bandwidth scans and Why?<< >>Post Follow-up
thegreatnews
16 posts
msg #159323
Ignore thegreatnews
7/23/2022 8:03:27 PM

Hello there agian,
Why are these 2 bbandwidth scans produces 2 different results? shouldn't it be the same?

1)set{diff, upper bollinger(20,2) - lower bollinger(20,2))}
find stocks wheere diff reached an 10 day low
Vs
2)find stocks where
Bollinger width(20,2) reache an 10 day low

Thankyou again,

xarlor
499 posts
msg #159326
Ignore xarlor
7/23/2022 9:50:54 PM

In your first statement you are simply taking the difference between the upper and lower bands.

Bollinger Width does not do that:

The Bollinger Width returns the width of the upper and lower bollinger band divided by the n-day average price.
https://www.stockfetcher.com/sfforums2/index.php?tid=122

thegreatnews
16 posts
msg #159329
Ignore thegreatnews
7/24/2022 2:47:15 AM

Thankyou for your help :)

StockFetcher Forums · General Discussion · 2 different bollinger bandwidth scans and Why?<< >>Post Follow-up

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