$500 I Bond with 0.10% Fixed Rate Purchased July 2016

 Jan
1
Infla
tion
Rate
Com
posite
Rate
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Infla
tion
Rate
Com
posite
Rate
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2016 500.000.08%0.26%500.20500.20500.40500.40500.602016
2017500.601.38%2.86%501.80503.00504.20505.40506.60507.800.98%2.06%508.60509.60510.40511.20512.202017
2018513.001.24%2.58%514.00515.20516.20517.40518.60519.60

From $500.00 to $519.60 over 2.0 years = 1.93% average annual increase compounded semi-annually.

Generated  11/17/17  15:20