$500 I Bond with 0.10% Fixed Rate Purchased March 2018

 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
2018 500.001.24%2.58%501.00502.20503.20504.20505.40506.401.11%2.32%507.40508.40509.402018
2019510.40511.20512.201.16%2.42%513.20514.20515.20516.40517.40518.400.70%1.50%519.00519.60520.402019
2020521.00521.60522.201.01%2.12%523.20524.00525.00525.80526.80527.800.53%1.16%528.40528.80529.402020
2021529.80530.40530.800.84%1.78%531.60532.40533.20534.00534.80535.601.77%3.64%537.20538.80540.402021
2022542.00543.80545.403.56%7.22%548.60551.80555.20558.40561.80565.004.81%9.72%569.40574.00578.602022
2023583.20587.80592.403.24%6.58%595.60598.80602.00605.40608.60611.801.69%3.48%613.60615.40617.002023
2024618.80620.60622.401.97%4.04%624.40626.60628.60630.80632.80635.001.48%3.06%636.60638.20639.802024
2025641.40643.00644.800.95%2.00%645.80647.00648.00649.00650.20651.20

From $500.00 to $651.20 over 7.5 years = 3.55% average annual increase compounded semi-annually.

Generated  11/01/24  13:13