# Rate Of Change100 (ROC100)

> QuantNexus indicator page for percent-style rate of change.

**Route**: `/quantnexus/indicators/roc100/`

## What It Does

ROC100 measures price change over a lookback period with a 100-based scale.

## Formula

`ROC100 = ((Price / Price_n) - 1) * 100`

## Parameters

- `period` - default `12`

## C++23 API

```cpp
#include <nonabt/indicators/roc100.hpp>
auto roc100 = std::make_unique<nonabt::ROC100>(data().close(), 12);
```

## Common Usage

- Use it like ROC when you want a 100-scaled output.
- Helpful for momentum comparisons across assets.
- Pair it with threshold rules or divergence analysis.