$500 I Bond with 0.40% Fixed Rate Purchased April 2023

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
1
2023 500.003.24%6.89%502.80505.60508.60511.40514.40517.201.69%3.79%518.80520.402023
2024522.00523.80525.40527.001.97%4.35%528.80530.80532.80534.60536.60538.401.48%3.37%540.00541.402024
2025543.00544.40546.00547.400.95%2.30%548.40549.40550.60551.60552.60553.601.43%3.27%555.00556.602025
2026558.20559.60561.20562.601.56%3.53%564.20565.80567.60569.20570.80572.60

From $500.00 to $572.60 over 3.5 years = 3.91% average annual increase compounded semi-annually.

Generated  11/04/25  09:11