$25 I Bond with 0.10% Fixed Rate Purchased February 2016

 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
2016 25.000.77%1.64%25.0325.0725.1025.1425.1725.210.08%0.26%25.2225.2225.2325.232016
201725.2425.241.38%2.86%25.3025.3625.4225.4825.5425.600.98%2.06%25.6425.6925.7325.782017
201825.8225.86

From $25.00 to $25.86 over 2.0 years = 1.70% average annual increase compounded semi-annually.

Generated  05/01/17  10:11