$200 I Bond with 0.50% Fixed Rate Purchased May 2019

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2019 200.000.70%1.90%200.32200.64200.96201.28201.60201.921.01%2.53%202.322019
2020202.80203.20203.60204.08204.480.53%1.56%204.72205.04205.28205.52205.84206.080.84%2.18%206.482020
2021206.80207.20207.60207.92208.321.77%4.05%209.04209.68210.40211.12211.84212.563.56%7.64%213.922021
2022215.20216.56217.92219.28220.644.81%10.14%222.48224.32226.16228.00229.92231.843.24%7.00%233.202022
2023234.48235.84237.20238.56239.921.69%3.89%240.72241.44242.24243.04243.84244.561.97%4.45%245.442023
2024246.40247.28248.16249.12250.001.48%3.47%250.72251.44252.16252.88253.60254.320.95%2.40%254.802024
2025255.36255.84256.32256.88257.361.43%3.37%258.08258.80259.52260.24260.96261.68

From $200.00 to $261.68 over 6.5 years = 4.18% average annual increase compounded semi-annually.

Generated  05/01/25  10:59