Bond Equivalent Yield (BEY) Calculator
Convert a holding-period return on any short instrument into the annualized 365-day bond-equivalent yield.
Formula
BEY annualizes simply (no compounding) on a 365-day year so short paper can be compared with coupon bonds. The effective annual rate compounds the holding-period return and is always a touch higher — both are shown.
Not financial advice — for informational and analytical use only. Verify all figures with a qualified professional before acting on them.
Need bond equivalent yield calculator results fast? Analysts, founders, traders and finance professionals use the Bond Equivalent Yield Calculator to skip the spreadsheet and get a defensible answer in one step — free, private and instant.
About Bond Equivalent Yield (BEY) Calculator
Convert a holding-period return on any short instrument into the annualized 365-day bond-equivalent yield. BEY annualizes simply (no compounding) on a 365-day year so short paper can be compared with coupon bonds. The effective annual rate compounds the holding-period return and is always a touch higher — both are shown. The governing relationship is BEY = HPR × 365/t (simple); EAR = (1+HPR)^(365/t) − 1. The Bond Equivalent Yield Calculator computes entirely in your browser — free, private (your figures never leave your device) and instant, recalculating live as you change any input.
How to use Bond Equivalent Yield (BEY) Calculator
- 1Enter Purchase price (currency), Sale / maturity value (currency), Holding days into the Bond Equivalent Yield Calculator.
- 2The result is computed automatically using BEY = HPR × 365/t (simple); EAR = (1+HPR)^(365/t) − 1 — there is no button to press.
- 3Change any input to model a different scenario, then copy or share the result.
Why use Bond Equivalent Yield (BEY) Calculator?
- ✓Computes bond equivalent yield calculator instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the figures you enter stay private
- ✓Shows the formula, a live worked example and references so you can defend the number
Frequently asked questions
What is the formula behind the Bond Equivalent Yield Calculator?+
Bond Equivalent Yield Calculator uses BEY = HPR × 365/t (simple); EAR = (1+HPR)^(365/t) − 1. BEY annualizes simply (no compounding) on a 365-day year so short paper can be compared with coupon bonds. The tool substitutes your actual inputs into this relationship and shows the worked example step by step.
What inputs does the Bond Equivalent Yield Calculator need?+
Enter Purchase price (currency), Sale / maturity value (currency), Holding days and the result updates immediately — there is no button to press. Change any value to model a different scenario in real time.
Is the Bond Equivalent Yield Calculator free, and is my data private?+
Yes — it is completely free with no sign-up or usage limit, and it runs entirely in your browser, so the numbers you enter are never uploaded or stored on any server. It is for informational and analytical use, not financial advice.
What should I watch out for when using the Bond Equivalent Yield Calculator?+
The effective annual rate compounds the holding-period return and is always a touch higher — both are shown.
What is the Bond Equivalent Yield Calculator based on?+
The method follows authoritative sources: CFA Program Curriculum — money market yields. The formula and references are shown on the page so you can verify and cite the result.
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