$100 I Bond with 0.00% Fixed Rate Purchased September 2015

 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
2015 100.00-0.80%0.00%100.00100.00100.002015
2016100.00100.00100.000.77%1.54%100.12100.24100.40100.52100.64100.760.08%0.16%100.76100.80100.802016
2017100.80100.84100.841.38%2.76%101.08101.32101.52101.76102.00102.240.98%1.96%102.40102.56102.722017
2018102.92103.08103.241.24%2.48%103.44103.68103.88104.08104.32104.52

From $100.00 to $104.52 over 3.0 years = 1.48% average annual increase compounded semi-annually.

Generated  11/17/17  15:20