Here is something I found today that someone may find it helpful
tosindicators.com
It's an indicator that shows the opening range on the chart
I installed it just as an exercise on learning a little more about thinkscript programing
Not sure if it's useful for the 0DTE trades that we are doing since we go in the opposite direction of the breakout but it looks interesting
The opening range can be adjusted
Opening Range Breakout Indicator For ThinkOrSwim (FREE)
A smarter and easy to use Opening Range Breakout indicator, allowing you to trade the strategy like a pro.
tosindicators.com
I installed it just as an exercise on learning a little more about thinkscript programing
Not sure if it's useful for the 0DTE trades that we are doing since we go in the opposite direction of the breakout but it looks interesting
The opening range can be adjusted