$25 I Bond with 0.30% Fixed Rate Purchased June 2018

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2018 25.001.11%2.52%25.0525.1025.1625.2125.2625.322018
20191.16%2.62%25.3725.4325.4925.5425.6025.650.70%1.70%25.6925.7225.7625.8025.8325.872019
20201.01%2.32%25.9225.9726.0226.0726.1226.17

From $25.00 to $26.17 over 2.0 years = 2.30% average annual increase compounded semi-annually.

Generated  11/01/19  10:10