$500 I Bond with 0.90% Fixed Rate Purchased September 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 500.001.67%4.26%501.80503.60505.202026
2027507.00508.80510.60

From $500.00 to $510.60 over 0.5 years = 4.24% average annual increase compounded semi-annually.

Generated  05/01/26  08:02