Upcoming I Bond Rate Changes for May 2025 According to the latest i bond rates prediction 2025, changes are expected in both the fixed and variable components of I Bonds starting May 1, 2025. The variable rate is predicted to increase from 1.90% to 2.86%, based on the latest Consumer Price Index data. The i bonds fixed rate is also expected to adjust slightly, though not drastically.... https://www.federalpensionadvisors.com/post/2025-irmaa-brackets