aroon_down
Aroon Down - measures time since lowest low
aroon_down(period)
Parameters
Aroon Down - aroon_down(period)
Measures the time since the lowest low occurred, expressed as a percentage.
High values indicate recent new lows (strong downtrend).
- 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)