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/dpo
* @requires highcharts
* @requires highcharts/modules/stock
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2025 Wojciech Chmiel
*
* License: www.highcharts.com/license
*/
import * as __WEBPACK_EXTERNAL_MODULE__highcharts_src_js_8202131d__ from "../highcharts.src.js";
import * as __WEBPACK_EXTERNAL_MODULE__modules_stock_src_js_b3d80146__ from "../modules/stock.src.js";
/******/ // The require scope
/******/ var __webpack_require__ = {};
/******/
/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
/******/ (() => {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = (module) => {
/******/ var getter = module && module.__esModule ?
/******/ () => (module['default']) :
/******/ () => (module);
/******/ __webpack_require__.d(getter, { a: getter });
/******/ return getter;
/******/ };
/******/ })();
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/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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;// external ["../highcharts.src.js","default"]
const external_highcharts_src_js_default_namespaceObject = __WEBPACK_EXTERNAL_MODULE__highcharts_src_js_8202131d__["default"];
var external_highcharts_src_js_default_default = /*#__PURE__*/__webpack_require__.n(external_highcharts_src_js_default_namespaceObject);
;// external "../modules/stock.src.js"
var x = (y) => {
var x = {}; __webpack_require__.d(x,
y); return x
}
var y = (x) => (() => (x))
const stock_src_js_namespaceObject = x({ });
;// external ["../highcharts.src.js","default","SeriesRegistry"]
const external_highcharts_src_js_default_SeriesRegistry_namespaceObject = __WEBPACK_EXTERNAL_MODULE__highcharts_src_js_8202131d__["default"].SeriesRegistry;
var external_highcharts_src_js_default_SeriesRegistry_default = /*#__PURE__*/__webpack_require__.n(external_highcharts_src_js_default_SeriesRegistry_namespaceObject);
;// ./code/es-modules/Stock/Indicators/DPO/DPOIndicator.js
/* *
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { sma: SMAIndicator } = (external_highcharts_src_js_default_SeriesRegistry_default()).seriesTypes;
const { extend, merge, correctFloat, pick } = (external_highcharts_src_js_default_default());
/* *
*
* Functions
*
* */
// Utils:
/**
* @private
*/
function accumulatePoints(sum, yVal, i, index, subtract) {
const price = pick(yVal[i][index], yVal[i]);
if (subtract) {
return correctFloat(sum - price);
}
return correctFloat(sum + price);
}
/* *
*
* Class
*
* */
/**
* The DPO series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.dpo
*
* @augments Highcharts.Series
*/
class DPOIndicator extends SMAIndicator {
/* *
*
* Functions
*
* */
getValues(series, params) {
const period = params.period, index = params.index, offset = Math.floor(period / 2 + 1), range = period + offset, xVal = series.xData || [], yVal = series.yData || [], yValLen = yVal.length,
// 0- date, 1- Detrended Price Oscillator
DPO = [], xData = [], yData = [];
let oscillator, periodIndex, rangeIndex, price, i, j, sum = 0;
if (xVal.length <= range) {
return;
}
// Accumulate first N-points for SMA
for (i = 0; i < period - 1; i++) {
sum = accumulatePoints(sum, yVal, i, index);
}
// Detrended Price Oscillator formula:
// DPO = Price - Simple moving average [from (n / 2 + 1) days ago]
for (j = 0; j <= yValLen - range; j++) {
periodIndex = j + period - 1;
rangeIndex = j + range - 1;
// Adding the last period point
sum = accumulatePoints(sum, yVal, periodIndex, index);
price = pick(yVal[rangeIndex][index], yVal[rangeIndex]);
oscillator = price - sum / period;
// Subtracting the first period point
sum = accumulatePoints(sum, yVal, j, index, true);
DPO.push([xVal[rangeIndex], oscillator]);
xData.push(xVal[rangeIndex]);
yData.push(oscillator);
}
return {
values: DPO,
xData: xData,
yData: yData
};
}
}
/* *
*
* Static Properties
*
* */
/**
* Detrended Price Oscillator. This series requires the `linkedTo` option to
* be set and should be loaded after the `stock/indicators/indicators.js`.
*
* @sample {highstock} stock/indicators/dpo
* Detrended Price Oscillator
*
* @extends plotOptions.sma
* @since 7.0.0
* @product highstock
* @excluding allAreas, colorAxis, compare, compareBase, joinBy, keys,
* navigatorOptions, pointInterval, pointIntervalUnit,
* pointPlacement, pointRange, pointStart, showInNavigator,
* stacking
* @requires stock/indicators/indicators
* @requires stock/indicators/dpo
* @optionparent plotOptions.dpo
*/
DPOIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
/**
* Parameters used in calculation of Detrended Price Oscillator series
* points.
*/
params: {
index: 0,
/**
* Period for Detrended Price Oscillator
*/
period: 21
}
});
extend(DPOIndicator.prototype, {
nameBase: 'DPO'
});
external_highcharts_src_js_default_SeriesRegistry_default().registerSeriesType('dpo', DPOIndicator);
/* *
*
* Default Export
*
* */
/* harmony default export */ const DPO_DPOIndicator = ((/* unused pure expression or super */ null && (DPOIndicator)));
/* *
*
* API Options
*
* */
/**
* A Detrended Price Oscillator. If the [type](#series.dpo.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.dpo
* @since 7.0.0
* @product highstock
* @excluding allAreas, colorAxis, compare, compareBase, dataParser, dataURL,
* joinBy, keys, navigatorOptions, pointInterval, pointIntervalUnit,
* pointPlacement, pointRange, pointStart, showInNavigator, stacking
* @requires stock/indicators/indicators
* @requires stock/indicators/dpo
* @apioption series.dpo
*/
''; // To include the above in the js output'
;// ./code/es-modules/masters/indicators/dpo.src.js
/* harmony default export */ const dpo_src = ((external_highcharts_src_js_default_default()));
export { dpo_src as default };