$200 I Bond with 0.40% Fixed Rate Purchased March 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 200.003.24%6.89%201.12202.24203.44204.56205.76206.881.69%3.79%207.52208.16208.802023
2024209.52210.16210.801.97%4.35%211.52212.32213.12213.84214.64215.361.48%3.37%216.00216.56217.202024
2025217.76218.40218.960.95%2.30%219.36219.76220.24220.64221.04221.441.43%3.27%222.00222.64223.282025
2026223.84224.48225.041.56%3.53%225.68226.32227.04227.68228.32229.04

From $200.00 to $229.04 over 3.5 years = 3.91% average annual increase compounded semi-annually.

Generated  11/04/25  09:11