aroon_down

Aroon Down - measures time since lowest low

aroon_down(period)

Parameters

Name Type Description
period int Number of periods to look back for lowest low

Formula

aroon_down = ((period - bars_since_lowest_low) / period) * 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

float

Range

period must be 2-400

Notes

The correlated subquery always finds the window's own min within itself, so bars_since_lowest_low resolves to a value in [0, period-1] on every bar -- never NULL

See Also

aroon_up, aroon_osc

References

TradingView: ta.aroon() returns [up, down]; developed by Tushar Chande

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