$10,000 I Bond with 0.90% Fixed Rate Purchased March 2026

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
posite
Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
Rate
Com
posite
Rate
Oct
1
Nov
1
Dec
1
2026 10,0001.56%4.03%10,03210,06810,10010,13210,16810,2001.67%4.26%10,23610,27210,3082026
202710,34410,38010,416

From $10,000 to $10,416 over 1.0 years = 4.12% average annual increase compounded semi-annually.

Generated  05/01/26  08:02