$100 I Bond with 0.00% Fixed Rate Purchased October 2017

 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
2017 100.000.98%1.96%100.16100.322017
2018100.48100.64100.80101.001.24%2.48%101.20101.40101.64101.84102.04102.241.11%2.22%102.44102.602018
2019102.80103.00103.20103.361.16%2.32%103.56103.76103.96104.16104.36104.560.70%1.40%104.68104.802019
2020104.92105.04105.16105.281.01%2.02%105.44105.64105.80106.00106.16106.360.53%1.06%106.44106.562020
2021106.64106.72106.84106.920.84%1.68%107.08107.20107.36107.52107.68107.80

From $100.00 to $107.80 over 4.0 years = 1.89% average annual increase compounded semi-annually.

Generated  11/02/20  10:31