$500 I Bond with 0.20% Fixed Rate Purchased April 2020

 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
2020 500.001.01%2.22%501.00501.80502.80503.60504.60505.600.53%1.26%506.20506.602020
2021507.20507.80508.20508.800.84%1.88%509.60510.40511.20512.00512.80513.601.77%3.74%515.20516.802021
2022518.40520.00521.60523.203.56%7.33%526.40529.60532.80536.00539.20542.404.81%9.83%546.80551.202022
2023555.60560.00564.60569.003.24%6.69%572.20575.20578.40581.60584.80588.001.69%3.58%589.80591.402023
2024593.20595.00596.80598.601.97%4.14%600.60602.80604.80606.80609.00611.001.48%3.16%612.60614.202024
2025615.80617.40619.00620.600.95%2.10%621.60622.80623.80625.00626.00627.201.43%3.06%628.80630.402025
2026632.00633.60635.20636.801.56%3.32%638.60640.40642.00643.80645.60647.40

From $500.00 to $647.40 over 6.5 years = 4.01% average annual increase compounded semi-annually.

Generated  11/04/25  09:11