OPEN-SOURCE SCRIPT
Linear Regression Trend bands
code from linear regression used 
So it just to make bands from it
uptrend blue color , down trend red color
I suggest you try to fix length to best optimum ( I put it on 200, but other length may be better)
So it just to make bands from it
uptrend blue color , down trend red color
I suggest you try to fix length to best optimum ( I put it on 200, but other length may be better)
Open-source script
In true TradingView spirit, the creator of this script has made it open-source, so that traders can review and verify its functionality. Kudos to the author! While you can use it for free, remember that republishing the code is subject to our House Rules.
Disclaimer
The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.
Open-source script
In true TradingView spirit, the creator of this script has made it open-source, so that traders can review and verify its functionality. Kudos to the author! While you can use it for free, remember that republishing the code is subject to our House Rules.
Disclaimer
The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.