Simple Dietz Return Calculator

Calculate portfolio returns using the Simple Dietz method (assumes mid-period cash flows).

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Important Financial Disclaimer

This calculator provides estimates based on standard financial formulas from verified references. Results are for informational and educational purposes only and should not be considered as professional financial, investment, or tax advice.

For important financial decisions such as loans, investments, mortgages, retirement planning, or tax matters, please consult with qualified financial advisors, certified financial planners, or licensed tax professionals who can review your specific situation.

Calculations may not account for all variables specific to your circumstances, local regulations, or current market conditions. Always verify results and consult professionals before making financial commitments.

Not a substitute for professional financial advice

Portfolio Values

Beginning Value

Ending Value

Total Cash Flows

Period (Days)

Formula: (EV - BV - CF) / (BV + CF/2)

Assumes all cash flows occur at midpoint of period.

Simple Dietz Return

+6.83%

Annualized: +6.83%

Net Gain

$7,000.00

Avg Capital

$102,500.00

Calculation Breakdown

Beginning Value$100,000.00

Cash Flows$5,000.00

Ending Value$112,000.00

Average Capital$102,500.00

Investment Gain$7,000.00

Simple vs Modified Dietz

Simple Dietz assumes all cash flows occur at the midpoint. Use Modified Dietz for more accuracy when you know exact timing.

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