Aroon Indicator

What is the Aroon Indicator?

The Aroon Indicator measures trend strength by tracking how long it has been since the highest high and lowest low within a lookback period (25 days).

Components

• Aroon Up: Days since 25-day high (0-100)
• Aroon Down: Days since 25-day low (0-100)
• Oscillator: Up minus Down (-100 to +100)

Interpretation

• Strong uptrend: Up > 70 & Down < 30
• Strong downtrend: Down > 70 & Up < 30
• Consolidation: Both around 50

Trading Signals

• Up crosses above Down: Bullish
• Down crosses above Up: Bearish
• High readings (>70) confirm trend