$200 I Bond with 0.90% Fixed Rate Purchased September 2023

 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
2023 200.001.69%4.30%200.72201.44202.162023
2024202.88203.60204.321.97%4.86%205.12206.00206.80207.60208.48209.281.48%3.87%209.92210.64211.282024
2025212.00212.64213.360.95%2.81%213.84214.32214.88215.36215.84216.321.43%3.77%216.96217.68218.322025
2026219.04219.68220.401.56%4.03%221.12221.84222.64223.36224.08224.881.67%4.26%225.68226.48227.282026
2027228.08228.88229.68

From $200.00 to $229.68 over 3.5 years = 3.99% average annual increase compounded semi-annually.

Generated  05/01/26  08:02