I-bonds Treasury I-Bonds in 2026: Why the Six-Month Composite Rate Still Beats Most Men's Savings Accounts Series I savings bonds from the US Treasury are yielding 3.11% composite rate in 2026, with a 1.30% fixed component that hasn't been this high since 2007. Here's where they fit — and don't fit — in a real portfolio.
I-bonds I-Bonds vs. TIPS vs. Series EE: The Inflation Protection Decision I-Bonds have an annual $10,000 limit. TIPS have no limit but track CPI differently. Series EE doubles in 20 years guaranteed. Each wins in one specific scenario.