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Fractal Indicator (Bill Williams Fractals)

The Fractal Indicator identifies local highs and lows (fractals) in price data.

Definition

A fractal up is a high that is higher than two bars to the left and right.
A fractal down is a low that is lower than two bars to the left and right.

Parameters

left (default: 2): Number of bars to the left
right (default: 2): Number of bars to the right

Usage Example

import { Fractal } from '../src/fractal';

const fractal = new Fractal();
const result = fractal.nextValue(high, low);
// result: { up, down }

Returns

An object with the following properties:

up: Fractal up value (if found)
down: Fractal down value (if found)