ORB15min with 50% trendline

ORB 15 Minute with 50% Middle Trendline. It works to calculate the midline of market structure open after the first 15 minutes when NY stock opens.

This Script plots the high/low of NY stock session and extends it until the daily close. Then It works to calculate the midline of market structure high/low after the first 15 minutes when NY session opens.