aroon_up
Aroon Up - measures time since highest high
aroon_up(period)
Parameters
Aroon Up - aroon_up(period)
Measures the time since the highest high occurred, expressed as a percentage.
High values indicate recent new highs (strong uptrend).
- period (int): Number of periods to look back for highest high
- Common values: 25 (standard), 14, 50
Formula
Aroon Up = ((period - bars_since_highest_high) / period) * 100
Where:
- bars_since_highest_high = Number of bars since period high
- Result ranges from 0 to 100
Examples
aroon_up(25); # Standard 25-period Aroon Up
aroon_up(14); # Shorter period (more sensitive)
aroon_up(25) > 70; # Strong uptrend (recent highs)
Returns
Aroon Up value ranging from 0 (high occurred period bars ago) to 100 (new high today)