highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highstock JS v12.1.2 (2024-12-21)
* @module highcharts/indicators/mfi
* @requires highcharts
* @requires highcharts/modules/stock
*
* Money Flow Index indicator for Highcharts Stock
*
* (c) 2010-2024 Grzegorz Blachliński
*
* 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/mfi", ["highcharts/highcharts"], function (amd1) {return factory(amd1,amd1["SeriesRegistry"]);});
else if(typeof exports === 'object')
exports["highcharts/indicators/mfi"] = 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__) => {
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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 */ mfi_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/MFI/MFIIndicator.js
/* *
*
* Money Flow Index indicator for Highcharts Stock
*
* (c) 2010-2024 Grzegorz Blachliński
*
* 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 { extend, merge, error, isArray } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
/* *
*
* Functions
*
* */
// Utils:
/**
*
*/
function sumArray(array) {
return array.reduce(function (prev, cur) {
return prev + cur;
});
}
/**
*
*/
function toFixed(a, n) {
return parseFloat(a.toFixed(n));
}
/**
*
*/
function calculateTypicalPrice(point) {
return (point[1] + point[2] + point[3]) / 3;
}
/**
*
*/
function calculateRawMoneyFlow(typicalPrice, volume) {
return typicalPrice * volume;
}
/* *
*
* Class
*
* */
/**
* The MFI series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.mfi
*
* @augments Highcharts.Series
*/
class MFIIndicator extends SMAIndicator {
/* *
*
* Functions
*
* */
getValues(series, params) {
const period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, decimals = params.decimals, volumeSeries = series.chart.get(params.volumeSeriesID), yValVolume = volumeSeries?.getColumn('y') || [], MFI = [], xData = [], yData = [], positiveMoneyFlow = [], negativeMoneyFlow = [];
let newTypicalPrice, oldTypicalPrice, rawMoneyFlow, negativeMoneyFlowSum, positiveMoneyFlowSum, moneyFlowRatio, MFIPoint, i, isUp = false,
// MFI starts calculations from the second point
// Cause we need to calculate change between two points
range = 1;
if (!volumeSeries) {
error('Series ' +
params.volumeSeriesID +
' not found! Check `volumeSeriesID`.', true, series.chart);
return;
}
// MFI requires high low and close values
if ((xVal.length <= period) || !isArray(yVal[0]) ||
yVal[0].length !== 4 ||
!yValVolume) {
return;
}
// Calculate first typical price
newTypicalPrice = calculateTypicalPrice(yVal[range]);
// Accumulate first N-points
while (range < period + 1) {
// Calculate if up or down
oldTypicalPrice = newTypicalPrice;
newTypicalPrice = calculateTypicalPrice(yVal[range]);
isUp = newTypicalPrice >= oldTypicalPrice;
// Calculate raw money flow
rawMoneyFlow = calculateRawMoneyFlow(newTypicalPrice, yValVolume[range]);
// Add to array
positiveMoneyFlow.push(isUp ? rawMoneyFlow : 0);
negativeMoneyFlow.push(isUp ? 0 : rawMoneyFlow);
range++;
}
for (i = range - 1; i < yValLen; i++) {
if (i > range - 1) {
// Remove first point from array
positiveMoneyFlow.shift();
negativeMoneyFlow.shift();
// Calculate if up or down
oldTypicalPrice = newTypicalPrice;
newTypicalPrice = calculateTypicalPrice(yVal[i]);
isUp = newTypicalPrice > oldTypicalPrice;
// Calculate raw money flow
rawMoneyFlow = calculateRawMoneyFlow(newTypicalPrice, yValVolume[i]);
// Add to array
positiveMoneyFlow.push(isUp ? rawMoneyFlow : 0);
negativeMoneyFlow.push(isUp ? 0 : rawMoneyFlow);
}
// Calculate sum of negative and positive money flow:
negativeMoneyFlowSum = sumArray(negativeMoneyFlow);
positiveMoneyFlowSum = sumArray(positiveMoneyFlow);
moneyFlowRatio = positiveMoneyFlowSum / negativeMoneyFlowSum;
MFIPoint = toFixed(100 - (100 / (1 + moneyFlowRatio)), decimals);
MFI.push([xVal[i], MFIPoint]);
xData.push(xVal[i]);
yData.push(MFIPoint);
}
return {
values: MFI,
xData: xData,
yData: yData
};
}
}
/* *
*
* Static Properties
*
* */
/**
* Money Flow Index. This series requires `linkedTo` option to be set and
* should be loaded after the `stock/indicators/indicators.js` file.
*
* @sample stock/indicators/mfi
* Money Flow Index Indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/mfi
* @optionparent plotOptions.mfi
*/
MFIIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
/**
* @excluding index
*/
params: {
index: void 0, // Unchangeable index, do not inherit (#15362)
/**
* The id of volume series which is mandatory.
* For example using OHLC data, volumeSeriesID='volume' means
* the indicator will be calculated using OHLC and volume values.
*/
volumeSeriesID: 'volume',
/**
* Number of maximum decimals that are used in MFI calculations.
*/
decimals: 4
}
});
extend(MFIIndicator.prototype, {
nameBase: 'Money Flow Index'
});
highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default().registerSeriesType('mfi', MFIIndicator);
/* *
*
* Default Export
*
* */
/* harmony default export */ const MFI_MFIIndicator = ((/* unused pure expression or super */ null && (MFIIndicator)));
/* *
*
* API Options
*
* */
/**
* A `MFI` series. If the [type](#series.mfi.type) option is not specified, it
* is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.mfi
* @since 6.0.0
* @excluding dataParser, dataURL
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/mfi
* @apioption series.mfi
*/
''; // To include the above in the js output
;// ./code/es-modules/masters/indicators/mfi.src.js
/* harmony default export */ const mfi_src = ((highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default()));
__webpack_exports__ = __webpack_exports__["default"];
/******/ return __webpack_exports__;
/******/ })()
;
});