/** * @license Highstock JS v11.4.1 (2024-04-04) * * Indicator series type for Highcharts Stock * * (c) 2010-2024 Karol Kolodziej * * License: www.highcharts.com/license */ (function (factory) { if (typeof module === 'object' && module.exports) { factory['default'] = factory; module.exports = factory; } else if (typeof define === 'function' && define.amd) { define('highcharts/indicators/obv', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) { factory(Highcharts); factory.Highcharts = Highcharts; return factory; }); } else { factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined); } }(function (Highcharts) { 'use strict'; var _modules = Highcharts ? Highcharts._modules : {}; function _registerModule(obj, path, args, fn) { if (!obj.hasOwnProperty(path)) { obj[path] = fn.apply(null, args); if (typeof CustomEvent === 'function') { window.dispatchEvent(new CustomEvent( 'HighchartsModuleLoaded', { detail: { path: path, module: obj[path] } } )); } } } _registerModule(_modules, 'Stock/Indicators/OBV/OBVIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) { /* * * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ const { sma: SMAIndicator } = SeriesRegistry.seriesTypes; const { isNumber, error, extend, merge } = U; /* * * * Class * * */ /** * The OBV series type. * * @private * @class * @name Highcharts.seriesTypes.obv * * @augments Highcharts.Series */ class OBVIndicator extends SMAIndicator { /* * * * Functions * * */ getValues(series, params) { const volumeSeries = series.chart.get(params.volumeSeriesID), xVal = series.xData, yVal = series.yData, OBV = [], xData = [], yData = [], hasOHLC = !isNumber(yVal[0]); let OBVPoint = [], i = 1, previousOBV = 0, curentOBV = 0, previousClose = 0, curentClose = 0, volume; // Checks if volume series exists. if (volumeSeries) { volume = volumeSeries.yData; // Add first point and get close value. OBVPoint = [xVal[0], previousOBV]; previousClose = hasOHLC ? yVal[0][3] : yVal[0]; OBV.push(OBVPoint); xData.push(xVal[0]); yData.push(OBVPoint[1]); for (i; i < yVal.length; i++) { curentClose = hasOHLC ? yVal[i][3] : yVal[i]; if (curentClose > previousClose) { // Up curentOBV = previousOBV + volume[i]; } else if (curentClose === previousClose) { // Constant curentOBV = previousOBV; } else { // Down curentOBV = previousOBV - volume[i]; } // Add point. OBVPoint = [xVal[i], curentOBV]; // Assign current as previous for next iteration. previousOBV = curentOBV; previousClose = curentClose; OBV.push(OBVPoint); xData.push(xVal[i]); yData.push(OBVPoint[1]); } } else { error('Series ' + params.volumeSeriesID + ' not found! Check `volumeSeriesID`.', true, series.chart); return; } return { values: OBV, xData: xData, yData: yData }; } } /* * * * Static Properties * * */ /** * On-Balance Volume (OBV) technical indicator. This series * requires the `linkedTo` option to be set and should be loaded after * the `stock/indicators/indicators.js` file. Through the `volumeSeriesID` * there also should be linked the volume series. * * @sample stock/indicators/obv * OBV indicator * * @extends plotOptions.sma * @since 9.1.0 * @product highstock * @requires stock/indicators/indicators * @requires stock/indicators/obv * @excluding allAreas, colorAxis, joinBy, keys, navigatorOptions, * pointInterval, pointIntervalUnit, pointPlacement, * pointRange, pointStart, showInNavigator, stacking * @optionparent plotOptions.obv */ OBVIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, { marker: { enabled: false }, /** * @excluding index, period */ params: { // Index and period are unchangeable, do not inherit (#15362) index: void 0, period: void 0, /** * The id of another series to use its data as volume data for the * indicator calculation. */ volumeSeriesID: 'volume' }, tooltip: { valueDecimals: 0 } }); extend(OBVIndicator.prototype, { nameComponents: void 0 }); SeriesRegistry.registerSeriesType('obv', OBVIndicator); /* * * * Default Export * * */ /* * * * API Options * * */ /** * A `OBV` series. If the [type](#series.obv.type) option is not * specified, it is inherited from [chart.type](#chart.type). * * @extends series,plotOptions.obv * @since 9.1.0 * @product highstock * @excluding dataParser, dataURL * @requires stock/indicators/indicators * @requires stock/indicators/obv * @apioption series.obv */ ''; // To include the above in the js output return OBVIndicator; }); _registerModule(_modules, 'masters/indicators/obv.src.js', [_modules['Core/Globals.js']], function (Highcharts) { return Highcharts; }); }));