Time-weighted return (TWR) calculates an investment portfolio or fund’s performance while accounting for external cash flows. Investment funds usually have money flowing in or out at various times.

This calculation gives a more accurate picture of a company's earnings. Weighted averages consider the duration each share count is valid to accurately reflect earnings per share. A weighted average ...

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When a company calculates its earnings over a certain period of time, it divides its profits by the number of outstanding shares. However, companies' outstanding shares can change over time as a ...

If you bought a different number of shares with each trade, a simple average of the prices won't be accurate. If you've bought a certain stock over a series of transactions, then it can be useful to ...

EWMA is a tool for forecasting data in time series analysis. It is often utilized in control charts, along with control limits. You’ll want to use other tools for observing larger shifts in process ...