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cmf.src.js
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cmf.src.js
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var moneyFlowMultipliers = [],
moneyFlowVolumes = [];
function getRunUpCount (periods) {
return periods;
}
function getBufferSize () {
return 0;
}
function validate (periods) {
if (typeof periods !== "number") {
error("Chaikin Money Flow periods must be a number");
}
if (periods % 1 !== 0) {
error("Chaikin Money Flow periods must be an integer");
}
if (periods > 100) {
error("Chaikin Money Flow maximum periods is 100");
}
if (periods <= 0) {
error("Chaikin Money Flow periods must be greater than zero");
}
}
function onIntervalClose (periods) {
var moneyFlowMulitplier = ((CLOSE - LOW) - (HIGH - CLOSE)) / (HIGH - LOW),
moneyFlowVolume = moneyFlowMulitplier * VOLUME;
moneyFlowMultipliers.push(moneyFlowMulitplier);
moneyFlowVolumes.push(moneyFlowVolume);
if (moneyFlowMultipliers.length < periods) {
return null;
} else if (moneyFlowMultipliers.length > periods) {
moneyFlowMultipliers.shift();
moneyFlowVolumes.shift();
}
return {
overlay: false,
value: Math.sum(moneyFlowMultipliers) / Math.sum(moneyFlowVolumes),
type: "areaspline"
};
}