$500 I Bond with 0.00% Fixed Rate Purchased October 2021

 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
2021 500.001.77%3.54%501.40503.002021
2022504.40505.80507.40508.803.56%7.12%511.80514.80517.80520.80523.80527.004.81%9.62%531.20535.402022
2023539.60543.80548.00552.403.24%6.48%555.40558.40561.20564.20567.20570.201.69%3.38%571.80573.402023
2024575.00576.60578.20579.801.97%3.94%581.60583.60585.40587.40589.40591.201.48%2.96%592.60594.202024
2025595.60597.00598.40600.000.95%1.90%601.00601.80602.80603.80604.80605.801.43%2.86%607.20608.602025
2026610.20611.60613.00614.401.56%3.12%616.00617.60619.20620.80622.40624.001.67%3.34%625.80627.402026
2027629.20631.00632.60634.40

From $500.00 to $634.40 over 5.5 years = 4.38% average annual increase compounded semi-annually.

Generated  05/01/26  08:02