A fixed rate locked in at purchase. An inflation component that moves with U.S. prices. Explore every announced rate since the first I Bonds were issued.
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Latest fixed rate
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Latest inflation rate, annualized
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Composite annual rate
First six months
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01 / FIXED RATE
Fixed rate
The annual fixed rate for new purchases in each issue period. It stays with the bond.
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Annual fixed rate
02 / INFLATION RATE
Inflation component
Twice the official semiannual inflation rate, including negative deflation adjustments.
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Annualized inflation rate
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Official Treasury rates. The annualized inflation component is twice the semiannual inflation rate.
