OPEN-SOURCE SCRIPT
New Trading Day
Updated
This indicator creates an alert for a new trading day - as well as contains a variable that counts the number of bars that has passed since the trading day opened.
It posts the alert both on the chart and has an alert condition so it can be sent to you.
It posts the alert both on the chart and has an alert condition so it can be sent to you.
Release Notes
Updated the code to make it flow better, as well as cleaned up some variables. Added a high and low alert - it alerts when there is a new high or low being set during the trading day. 
Open-source script
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 publication is governed by House rules. You can favorite it to use it on a chart.
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.