OPEN-SOURCE SCRIPT
Updated BB Indicator - Marks High and low of premarket,daily,yesterday

This indicator marks what is known as the BB system - Marks on your chart the premarket high and low, current intraday high and low and yesterday's high and low. For the style of the line you can only change the colour, if you make the line a different style it shouldn't show up because if it did it makes the lines ugly.
Pick and select which levels you would like using the indicator and you can also turn on and off the labels if you don't want them.
Pick and select which levels you would like using the indicator and you can also turn on and off the labels if you don't want them.
Release Notes
Changed up the variable for the premarket low and high to a suitable name from day_high or day_low to pm_high and pm_low. Also changed the comments a bit to make it a bit easier to understand what is going onOpen-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.