As of April 15, 2025, the U.S. Treasury Department has announced that the variable rate for Series I Savings Bonds (I Bonds) will increase to 2.86% starting May 1, 2025. This adjustment reflects a 1.43% rise in non-seasonally adjusted inflation from October 2024 through March 2025. Consequently, the composite rate for I Bonds issued between May and October 2025 is projected to be 3.98... https://www.federalpensionadvisors.com/post/i-bond-rates-prediction-2025