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Time-weighted return. Related Articles. Time-weighted returns is a measure of the compound rate of return of a portfolio over a stated period of time. It requires a set of sub-period returns to be calculated whenever there is an external cash flow, such as a deposit or withdrawal from the portfolio.
Figure 1: A 20 day Weighted Moving Average, and High, Low and Closeprices as a stock chart. All formulas are calculated using the FormulaFinancial method, which accepts the following arguments: a formula name; input value(s); output value(s), and parameter(s) that are specific to the type of formula being applied.alculation: The Weighted moving average is calculated using a sum of indexes of time periods (data points). Weight for every period is calculated as index / (Number of data points). The following table demonstrates how to calculate a 5 days weighted moving average: