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Aroon Down (AROONDOWN)

StratCraft indicator page for Aroon Down.

Route: /indicators/aroondown/

What It Does

Aroon Down measures how recently a low was made within the lookback period. It helps identify the strength of downward trend pressure.

Formula

Aroon Down reflects the time since the lowest low over n periods.

Parameters

  • period - default 14
  • upperband - default 70
  • lowerband - default 30

C++23 API

#include <nonabt/indicators/aroondown.hpp>
auto aroondown = std::make_unique<nonabt::AROONDOWN>(data(), 14, 70, 30);

Common Usage

  • Use Aroon Down to measure downside trend recency.
  • Combine with Aroon Up for trend direction.
  • Use thresholds to detect strong downtrends.

Practical Pattern

When Aroon Down is rising while Aroon Up is falling, downside momentum is usually increasing.

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