$5,000 I Bond with 0.00% Fixed Rate Purchased May 2017

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2017 5,0000.98%1.96%5,0085,0165,0245,0325,0405,0501.24%2.48%5,0602017
20185,0705,0825,0925,1025,1121.11%2.22%5,1225,1305,1405,1505,1605,1681.16%2.32%5,1782018
20195,1885,1985,2085,2185,228

From $5,000 to $5,228 over 2.0 years = 2.24% average annual increase compounded semi-annually.

Generated  11/01/18  11:11