$1,000 I Bond with 1.40% Fixed Rate Purchased January 2027

 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
20271,000.002.04%5.51%1,004.401,009.201,013.601,018.401,022.801,027.60

From $1,000.00 to $1,027.60 over 0.5 years = 5.52% average annual increase compounded semi-annually.

Generated  10/30/26  15:03