highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highstock JS v12.2.0 (2025-04-07)
* @module highcharts/indicators/roc
* @requires highcharts
* @requires highcharts/modules/stock
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2025 Kacper Madej
*
* License: www.highcharts.com/license
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(root["_Highcharts"], root["_Highcharts"]["SeriesRegistry"]);
else if(typeof define === 'function' && define.amd)
define("highcharts/indicators/roc", ["highcharts/highcharts"], function (amd1) {return factory(amd1,amd1["SeriesRegistry"]);});
else if(typeof exports === 'object')
exports["highcharts/indicators/roc"] = factory(root["_Highcharts"], root["_Highcharts"]["SeriesRegistry"]);
else
root["Highcharts"] = factory(root["Highcharts"], root["Highcharts"]["SeriesRegistry"]);
})(typeof window === 'undefined' ? this : window, (__WEBPACK_EXTERNAL_MODULE__944__, __WEBPACK_EXTERNAL_MODULE__512__) => {
return /******/ (() => { // webpackBootstrap
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module.exports = __WEBPACK_EXTERNAL_MODULE__512__;
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var __webpack_exports__ = {};
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
"default": () => (/* binding */ roc_src)
});
// EXTERNAL MODULE: external {"amd":["highcharts/highcharts"],"commonjs":["highcharts"],"commonjs2":["highcharts"],"root":["Highcharts"]}
var highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_ = __webpack_require__(944);
var highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default = /*#__PURE__*/__webpack_require__.n(highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_);
// EXTERNAL MODULE: external {"amd":["highcharts/highcharts","SeriesRegistry"],"commonjs":["highcharts","SeriesRegistry"],"commonjs2":["highcharts","SeriesRegistry"],"root":["Highcharts","SeriesRegistry"]}
var highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_ = __webpack_require__(512);
var highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default = /*#__PURE__*/__webpack_require__.n(highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_);
;// ./code/es-modules/Stock/Indicators/ROC/ROCIndicator.js
/* *
*
* (c) 2010-2025 Kacper Madej
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { sma: SMAIndicator } = (highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default()).seriesTypes;
const { isArray, merge, extend } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
/* *
*
* Functions
*
* */
// Utils:
/**
*
*/
function populateAverage(xVal, yVal, i, period, index) {
/* Calculated as:
(Closing Price [today] - Closing Price [n days ago]) /
Closing Price [n days ago] * 100
Return y as null when avoiding division by zero */
let nDaysAgoY, rocY;
if (index < 0) {
// Y data given as an array of values
nDaysAgoY = yVal[i - period];
rocY = nDaysAgoY ?
(yVal[i] - nDaysAgoY) / nDaysAgoY * 100 :
null;
}
else {
// Y data given as an array of arrays and the index should be used
nDaysAgoY = yVal[i - period][index];
rocY = nDaysAgoY ?
(yVal[i][index] - nDaysAgoY) / nDaysAgoY * 100 :
null;
}
return [xVal[i], rocY];
}
/* *
*
* Class
*
* */
/**
* The ROC series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.roc
*
* @augments Highcharts.Series
*/
class ROCIndicator extends SMAIndicator {
/* *
*
* Functions
*
* */
getValues(series, params) {
const period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, ROC = [], xData = [], yData = [];
let i, index = -1, ROCPoint;
// Period is used as a number of time periods ago, so we need more
// (at least 1 more) data than the period value
if (xVal.length <= period) {
return;
}
// Switch index for OHLC / Candlestick / Arearange
if (isArray(yVal[0])) {
index = params.index;
}
// I = period <-- skip first N-points
// Calculate value one-by-one for each period in visible data
for (i = period; i < yValLen; i++) {
ROCPoint = populateAverage(xVal, yVal, i, period, index);
ROC.push(ROCPoint);
xData.push(ROCPoint[0]);
yData.push(ROCPoint[1]);
}
return {
values: ROC,
xData: xData,
yData: yData
};
}
}
/* *
*
* Static Properties
*
* */
/**
* Rate of change indicator (ROC). The indicator value for each point
* is defined as:
*
* `(C - Cn) / Cn * 100`
*
* where: `C` is the close value of the point of the same x in the
* linked series and `Cn` is the close value of the point `n` periods
* ago. `n` is set through [period](#plotOptions.roc.params.period).
*
* This series requires `linkedTo` option to be set.
*
* @sample stock/indicators/roc
* Rate of change indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/roc
* @optionparent plotOptions.roc
*/
ROCIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
params: {
index: 3,
period: 9
}
});
extend(ROCIndicator.prototype, {
nameBase: 'Rate of Change'
});
highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default().registerSeriesType('roc', ROCIndicator);
/* *
*
* Default Export
*
* */
/* harmony default export */ const ROC_ROCIndicator = ((/* unused pure expression or super */ null && (ROCIndicator)));
/* *
*
* API Options
*
* */
/**
* A `ROC` series. If the [type](#series.wma.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* Rate of change indicator (ROC). The indicator value for each point
* is defined as:
*
* `(C - Cn) / Cn * 100`
*
* where: `C` is the close value of the point of the same x in the
* linked series and `Cn` is the close value of the point `n` periods
* ago. `n` is set through [period](#series.roc.params.period).
*
* This series requires `linkedTo` option to be set.
*
* @extends series,plotOptions.roc
* @since 6.0.0
* @product highstock
* @excluding dataParser, dataURL
* @requires stock/indicators/indicators
* @requires stock/indicators/roc
* @apioption series.roc
*/
''; // To include the above in the js output
;// ./code/es-modules/masters/indicators/roc.src.js
/* harmony default export */ const roc_src = ((highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default()));
__webpack_exports__ = __webpack_exports__["default"];
/******/ return __webpack_exports__;
/******/ })()
;
});