$25 I Bond with 0.30% Fixed Rate Purchased September 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 25.001.11%2.52%25.0525.1025.162018
201925.2125.2625.321.16%2.62%25.3725.4325.4925.5425.6025.650.70%1.70%25.6925.7225.762019
202025.8025.8325.871.01%2.32%25.9225.9726.0226.0726.1226.170.53%1.36%26.2026.2326.262020
202126.2926.3226.35

From $25.00 to $26.35 over 2.5 years = 2.11% average annual increase compounded semi-annually.

Generated  05/01/20  10:19