Top line - High of the first session bar
Bottom line - low of the first session bar
Requires session timing and total trading hours to plot the lines appropriately.
We can use the indicator to trade intraday opening range breakouts.
PDH - Previous Day High
PDL - Previous Day Low
Plot Historical lines - Plot ORB, PDH & PDL lines to historical data. This setting is turned off by default. It can be turned on if we need to plot lines on historical bars.
Colors can be changed for PDH & PDL values.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.