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.
Open and close lines. I used a 4 minute timeframe, so the open price goes on 08:28-08:32 central time for the 8:30 open. You can change those times if you want, just copy/paste the script and edit.
Want to use this script on a chart?