30s Opening Range

NOTICE:
This is mostly for The Lab user and I will promise any feature request, but if you really want something, please leave a message or comment here or The Lab discount

What it does
Draws, on any chart timeframe (30 s, 1 m, 5 m, 1 h, etc.) and in replay mode, the high–low “opening range” of the first 30-second bar after your specified market open, for up to the last N trading days.

How to use it

Set your open time

Start Hour/Minute/Second: Choose the timestamp of your market’s opening auction or first bar (e.g. 09:30:00 for US equities, 08:00:00 for FX).

Customize appearance

Area Color: The fill and border color of each day’s opening-range box.

Show Mid Line: Toggle on/off a horizontal “mid-range” line.

Mid-Line Style & Color: Choose solid/dashed/dotted style and slight tint.

History depth

How many days history: How many past boxes to retain (1–20). Older ones are automatically deleted.

Interpretation

Box: The vertical range between the high and low of that very first 30 s bar of the session—often used as an early volatility or breakout benchmark.

Mid-Line (if enabled): The arithmetic midpoint of that opening range, a simple reference for early mean-reversion or breakout direction.

Replay & multi-timeframe

Because it sources directly from a hidden 30 s series, the indicator works identically in real-time and in TradingView’s replay mode, and will draw the correct levels even if you switch to 1 m, 5 m, or higher timeframes.