OPEN-SOURCE SCRIPT
Updated Extended Session High/Low

This script automatically draws the high/low of after hours and pre-market
Release Notes
Extended the line drawn to be clearly visible during market hoursRelease Notes
You can now input your favorite time where to end looking for a high/low (e.g. ending hour = 10 and ending hour = 30 will mark the high/low until 10:30AM). Default value is ending hour = 9 and ending hour = 30 (9:30AM). Release Notes
Cleaned codeRelease Notes
Added the possibility to visualize the past and, so, to backtest it more easily. Just unflag the "last only" option and enjoy it!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.