$100 I Bond with 1.20% Fixed Rate Purchased January 2025

 Jan
1
Infla
tion
Rate
Com
posite
Rate
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Infla
tion
Rate
Com
posite
Rate
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2025100.000.95%3.11%100.24100.52100.76101.04101.28101.561.43%4.08%101.92102.24102.60102.92103.282025
2026103.641.56%4.34%104.00104.40104.76105.12105.52105.881.67%4.56%106.28106.68107.08107.48107.882026
2027108.28

From $100.00 to $108.28 over 2.0 years = 4.02% average annual increase compounded semi-annually.

Generated  05/01/26  08:02