Opening Range Breakout for NinjaTrader 8

NSL Opening Range Breakout

Indicator + Strategy in one package.
High, Low, and Midpoint plotted automatically. Session reset every day.

Define your time window (default 09:30–09:45), and the system draws the range box, the three level lines, and exposes the series for automated strategy use — all without manual input each session.

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Levels (High / Low / Mid)

15 min

Default Window (configurable)

Auto

Session Reset Daily

2-in-1

Indicator + Strategy

Trading the Open Without a Reference

The first 15 minutes set the day’s tone — but most traders miss the exact range boundary
Manually drawing the box every morning introduces timing errors and wastes pre-market preparation time
No midpoint reference means missing the first pullback-to-mid entry opportunity
Wanting to automate ORB entries requires the range levels as accessible data series

NSL Opening Range Breakout plots all three levels automatically and exposes them for strategy automation.

How It Works

Three Outputs — One Time Window

Calculated on a 1-minute secondary data series for accuracy across all chart types.

Visual Output

Range Box + Three Lines

A transparent rectangle drawn over the opening range bars showing the exact time window. Three horizontal lines extend from the range end to the right edge of the chart.

Opening Range High — solid line, box color
Opening Range Low — solid line, box color
Midpoint — dashed line, separate color
Box — transparent fill, configurable opacity

Time Window

Configurable Start & End

Start and end times set using NinjaTrader’s time editor. Default window is 09:30–09:45 (15 minutes). Any window works — 5 minutes, 30 minutes, or the full first hour. The session resets on every new trading session automatically.

Default start — 09:30 AM
Default end — 09:45 AM
Session counter — tracks multiple sessions per chart
Reset trigger — Bars.IsFirstBarOfSession

Strategy Integration

Exposed Data Series

All three levels are accessible as public Series<double> — readable by any NinjaScript strategy referencing this indicator. The included strategy version uses these to automate breakout entries above the high and below the low.

OpeningRangeHighSeries — live high values
OpeningRangeLowSeries — live low values
OpeningRangeMidSeries — live midpoint values
Strategy included — automated breakout trading

Under the Hood

How the Range Is Calculated

Accurate range detection across any primary chart type, using a secondary 1-minute data series.

Secondary 1-Minute Data Series

The indicator loads a secondary 1-minute bar series via AddDataSeries(BarsPeriodType.Minute, 1). Range calculations use Highs[0] and Lows[0] from this series — so the opening range is always calculated on 1-minute resolution regardless of what the primary chart is displaying.

True High/Low Across the Full Window

While price is inside the opening range time window, the indicator continuously compares each bar’s high and low against the running maximum and minimum. The result is the true range — not just the first bar’s values — covering every tick that prints between start and end time.

Midpoint Calculated Geometrically

Mid price = Low + (High − Low) / 2. This gives the exact center of the range — a common pullback and equilibrium reference used in ORB strategies. Plotted as a dashed line in a separate, configurable color.

Automatic Daily Reset

Each new session is detected via Bars.IsFirstBarOfSession. The session counter increments, the prior range values clear, and the drawing objects get new unique IDs — so multiple sessions coexist on the chart without overwriting each other. Each day’s range box and lines remain visible in history.

Comparison

How It Stacks Up

Feature	NSL Opening Range Breakout	Drawing Manually	Generic ORB Indicator
Auto-plotted High / Low / Mid	✓ Yes	Manual daily	Varies
Configurable time window	✓ Start + End	N/A	Varies
Midpoint line	✓ Dashed, separate color	Manual	Rarely included
Exposed Series for strategy use	✓ High / Low / Mid series	✗	Rarely
Strategy version included	✓ In package	✗	✗
Accurate on tick / volume / range bars	✓ 1-min secondary series	N/A	Often not
Daily session reset	✓ Automatic	Manual	Varies

FAQ

Common Questions

What’s the difference between the indicator and strategy versions?

Both are included in the same download. The indicator version plots the levels and box on your chart for discretionary trading. The strategy version uses the same levels to automate breakout entries — entering long above the opening range high and short below the low.

Can I change the opening range time window?

Yes. The start and end times are configurable using NinjaTrader’s time editor. The default is 09:30–09:45 (15 minutes), but any window works — 5 minutes for scalpers, 30 or 60 minutes for wider range definitions.

Will this work on tick, volume, or range bar charts?

Yes. The indicator loads a secondary 1-minute data series internally — so range detection is always based on 1-minute resolution regardless of your primary chart type. The levels and box render correctly on any bar type.

Does the range persist across the full day or disappear after the window closes?

The levels persist for the remainder of the session as horizontal lines extending to the right edge of the chart. When a new session starts, the prior range remains visible in history and a new box/lines are drawn for the new session.

What markets does this work with?

Any instrument available in NinjaTrader 8 — futures, equities, forex, and crypto. Most commonly applied to ES, NQ, and equity instruments. The configurable window makes it adaptable to any session.

Is there a refund policy?

30-day money-back guarantee. If it doesn’t work for your setup or trading style, contact us within 30 days for a full refund — no questions asked.

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