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Annual Percentage Yield

finance
trading

The effective annual return after accounting for compounding, commonly used to compare yield products.

Also known as
APY
1
definition

Annual Percentage Yield (APY) is the annualized return after compounding. It is useful for comparing products that compound at different intervals, while APR states the nominal yearly rate without compounding.

The standard formula is: APY = (1 + r/n)^n - 1, where r is the nominal rate and n is the number of compounding periods per year.

2
caution

DeFi APYs are often variable and may be extrapolated from short promotional periods. The advertised rate may not include impermanent loss, token price changes, smart-contract risk, lockups, or fees.

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