$500 I Bond with 0.00% Fixed Rate Purchased February 2017

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2017 500.001.38%2.76%501.20502.20503.40504.60505.80507.000.98%1.96%507.80508.60509.40510.402017
2018511.20512.001.24%2.48%513.00514.20515.20516.20517.20518.401.11%2.22%519.40520.40521.20522.202018
2019523.20524.201.16%2.32%525.20526.20527.20528.20529.20530.200.70%1.40%530.80531.40532.00532.602019
2020533.20534.001.01%2.02%534.80535.80536.60537.60538.40539.400.53%1.06%539.80540.40540.80541.402020
2021541.80542.20

From $500.00 to $542.20 over 4.0 years = 2.04% average annual increase compounded semi-annually.

Generated  05/01/20  10:19