Multiple Session Pre-market High/Low

This indicator marks each day’s pre-market range and projects it into the opening move so you can see how price reacts after the bell. It tracks the **pre-market high/low** within a user-defined window (default **04:00–09:29 ET**) and, at **09:30 ET**, draws two solid horizontal lines from **09:30 to 11:00 ET** at those levels. For additional context, you can optionally show matching **dotted lines** across the pre-market window itself. Everything is anchored to **America/New\_York** time (DST-safe), and colors/widths for both the RTH and pre-market lines are fully customizable.

It’s built for **back testing and review**: levels are finalized at 09:30 and **do not repaint**, so what you see historically is what you would have had live. Use it to study opening drive behavior, VWAP/OR confluence, gap fills, and rejection/acceptance around the pre-market extremes. Works on any intraday timeframe; for stocks, enable **Extended Hours** so the 04:00–09:29 bars are available (futures usually include them by default). Adjust the pre-market start/end inputs to match your playbook (e.g., 07:00–09:29) and evaluate your strategies consistently across months of data.