Savings I Bonds May 2026 Rate Prediction: 0.9-1% Fixed Rate, 3.34% Inflation Rate

3 days ago 6

Rommie Analytics

Savings I Bonds are a unique, low-risk investment backed by the US Treasury that pay out a variable interest rate linked to inflation. With a holding period from 12 months to 30 years, you could own them as an alternative to bank certificates of deposit (they are liquid after 12 months) or bonds in your portfolio.

New inflation numbers were announced at BLS.gov, which allows us to make an early prediction of the May 2026 savings bond rates just before the official announcement on the 1st. This also allows the opportunity to know exactly what an April 2026 savings bond purchase will yield over the next 12 months, instead of just 6 months. You can then compare this against a November 2025 purchase.

New inflation rate prediction. September 2025 CPI-U was 324.800. May 2026 CPI-U was 330.213, for a semi-annual inflation rate of 1.67%. Using the Read Entire Article