Opening Range Breakout (ORB) Strategy

The Opening Range Breakout strategy establishes a high-probability directional bias based on the first 15-30 minutes of market action. The opening range captures the initial battle between buyers and sellers, and a breakout from this range often sets the tone for the rest of the day.

Risk Level
Medium
Win Rate

50-55%

Avg Hold

30-120 min

Timeframe

Intraday (first 2 hours)

How It Works

  1. 1

    Mark the high and low of the first 15 or 30 minutes after market open

  2. 2

    Wait for a breakout above the high (long) or below the low (short)

  3. 3

    Confirm with volume spike and alignment with pre-market direction

  4. 4

    Enter on the breakout candle with stop at the opposite side of the range

  5. 5

    Target 1.5-2x the range width, or trail using 5-min candle lows/highs

Best For

First hour of tradingHigh-gap stocksNews-driven movesIndex ETFs

Frequently Asked Questions

What is the opening range?

The opening range is the price range (high to low) established during a specific period after market open, typically the first 15 or 30 minutes. It reflects the initial supply/demand equilibrium.

What timeframe works best for ORB?

The 15-minute opening range is the most popular. The 30-minute range provides more reliable signals but fewer opportunities. 5-minute ORB is fastest but has more false breakouts.

Trade this strategy with AI

Tradewink's AI automatically identifies opening range breakout (orb) strategy setups, evaluates them with multi-agent debate, and executes with proper risk management.