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Rate Of Change (ROC)

StratCraft indicator page for the ROC momentum oscillator.

Route: /indicators/roc/

What It Does

ROC measures how quickly price is changing over a lookback period. It is a momentum indicator that can be used for trend strength or divergence analysis.

Formula

ROC = ((Price / Price_n) - 1) * 100

Parameters

  • period - default 12

C++23 API

#include <nonabt/indicators/roc.hpp>
auto roc = std::make_unique<nonabt::ROC>(data().close(), 12);

Common Usage

  • Use ROC to detect momentum acceleration or deceleration.
  • Combine ROC with threshold rules around zero.
  • Helpful for identifying overextended moves.

Practical Pattern

A rising ROC above zero suggests positive momentum; a falling ROC below zero suggests negative momentum.

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