Weighted Return Formula:
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Weighted Return (WR) is a measure of the overall return of a portfolio, where each asset's return is multiplied by its respective weight in the portfolio. It provides a more accurate representation of portfolio performance than a simple average.
The calculator uses the weighted return formula:
Where:
Explanation: The formula calculates the sum of each asset's return multiplied by its portfolio weight, providing the overall portfolio return.
Details: Weighted return is crucial for portfolio performance evaluation, investment decision-making, and comparing different investment strategies. It accounts for the relative importance of each investment in the overall portfolio.
Tips: Enter returns as percentages (comma-separated) and weights as decimals (comma-separated). Ensure both lists have the same number of values. Weights will be normalized if they don't sum to 1.
Q1: What's the difference between weighted and simple average return?
A: Weighted return accounts for the size of each investment, while simple average treats all investments equally regardless of their portfolio weight.
Q2: How should weights be entered?
A: Weights can be entered as decimals (e.g., 0.25 for 25%) or percentages. The calculator will normalize them to sum to 1 if needed.
Q3: Can I use this for negative returns?
A: Yes, the calculator handles both positive and negative returns appropriately.
Q4: What if my weights don't sum to 1?
A: The calculator automatically normalizes the weights by dividing each weight by the total sum of weights.
Q5: How many assets can I calculate for?
A: There's no strict limit, but practical considerations suggest keeping it manageable for accurate input and interpretation.