OPEN-SOURCE SCRIPT
Support & Resistance

This indicator detects large swings/pivots in historical price action to highlight tops and bottoms which might act as future levels of support or resistance. The code by default detects the last 3 significant swing highs and the last 3 swing lows. It then places lines on the chart to highlight those levels.
For a full overview of the indicator and code commentary visit the backtest-rookies (.com) website.
Example

For a full overview of the indicator and code commentary visit the backtest-rookies (.com) website.
Example
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.
For quick access on a chart, add this script to your favorites — learn more here.
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.
For quick access on a chart, add this script to your favorites — learn more here.
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.