$500 I Bond with 1.10% Fixed Rate Purchased May 2025

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2025 500.001.43%3.98%501.60503.20505.00506.60508.20510.001.56%4.24%511.802025
2026513.60515.40517.20519.00520.801.67%4.46%522.80524.60526.60528.60530.40532.402.04%5.20%534.602026
2027537.00539.20541.60544.00546.20

From $500.00 to $546.20 over 2.0 years = 4.47% average annual increase compounded semi-annually.

Generated  10/30/26  15:02