Average periodic return

Average periodic return: use periodic returns in percent. Review the formula, worked example and calculation steps.

Inputs

Use the units shown

Scenario estimate using the assumptions shown. Verify costs and rates with your provider; this is not a guaranteed return or lending decision.

RESULT
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Formula & explanation
Arithmetic average = Σr/n; geometric average = [Π(1+r/100)]^(1/n)−1

Variables & units

Periodic returns in percent
comma separated

Worked example

10%, −10%, 20% has arithmetic average 6.666667%.

Assumptions

Use equally spaced periods. Arithmetic average differs from compound growth.

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

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