OPEN-SOURCE SCRIPT

Opening Price Lines

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This indicator plots up to five customizable horizontal price lines based on the opening price at user-selected times. It is useful for marking key session opens, market opens, liquidity reference levels, or any specific time-based price level directly on the chart.

Each line can be individually enabled, named, colored, styled, and adjusted for width. The lines automatically update so their endpoints stay just ahead of the current price action, keeping the chart clean while preserving the key opening levels.

Features:

Plot up to 5 separate time-based opening price lines
Customize each line’s time, label, color, style, and width
Supports solid, dotted, and dashed line styles
Adjustable line extension length
Optional label offset control
Daylight Saving Time toggle for U.S. market timing
Designed for clean session-level tracking without clutter
Common uses:

New York open
London open
Asia session open
Custom session reference levels
Intraday support and resistance tracking
This tool is intended as a visual reference aid and does not provide buy or sell signals.

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