Opening Range 15 min

This indicator highlights the Opening Range (OR) for the first 15 minutes (9:30–9:45 AM EST). It visually plots high/low lines and a shaded box to define this range, helping traders identify key intraday levels for potential breakout or rejection scenarios. The script also provides optional overlays for the Previous Day’s High/Low and the Extended Hours High/Low, offering a complete context for day trading setups.

Main Features:

• Opening Range Detection – Automatically calculates and draws the high/low of the 9:30–9:45 AM session.
  
• Visual Enhancements – Includes customizable lines, shaded boxes, and labels to mark the OR high (ORH) and low (ORL) levels.
  
• Previous Day High/Low (Optional) – Plots and labels the previous day's high and low for reference during current day trading.
  
• Extended Hours High/Low (Optional, when ETH enabled) – Displays overnight session levels for added insight into early volatility (4:00 AM to 9:30 AM EST).
  
• User Customization – Easily adjust colors, label styles, and visibility for all plotted levels and regions.