aroon_down

Measures the time since the lowest low occurred, expressed as a percentage. High values indicate recent new lows (strong downtrend).

Parameters

• period (int): Number of periods to look back for lowest low
• Common values: 25 (standard), 14, 50

Formula

Aroon Down = ((period - bars_since_lowest_low) / period) * 100

Where:
- bars_since_lowest_low = Number of bars since period low
- Result ranges from 0 to 100

Examples

aroon_down(25);  # Standard 25-period Aroon Down
aroon_down(14);  # Shorter period (more sensitive)
aroon_down(25) > 70;  # Strong downtrend (recent lows)

Returns

Aroon Down value ranging from 0 (low occurred period bars ago) to 100 (new low today)

Notes

• Values 70-100 indicate strong downtrend (recent lows)
• Values 0-30 indicate weak downtrend (no recent lows)
• Use with Aroon Up for crossover signals