$25 I Bond with 0.20% Fixed Rate Purchased September 2010

 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
2010 25.000.77%1.74%25.0425.0725.112010
201125.1425.1825.220.37%0.94%25.2425.2625.2825.3025.3225.342.30%4.80%25.4425.5425.642011
201225.7425.8525.951.53%3.26%26.0226.0926.1626.2326.3026.371.10%2.40%26.4226.4826.532012
201326.5826.6326.690.88%1.96%26.7326.7826.8226.8626.9126.950.59%1.38%26.9827.0127.042013
201427.0727.1027.140.59%1.38%27.1727.2027.2327.2627.3027.330.92%2.04%27.3827.4227.472014
201527.5227.5627.610.74%1.68%27.6527.6927.7327.7627.8027.84-0.80%0.00%27.8427.8427.842015
201627.8427.8427.840.77%1.74%27.8827.9227.9628.0028.0428.080.08%0.36%28.0928.1028.112016
201728.1128.1228.131.38%2.96%28.2028.2728.3428.4128.4828.550.98%2.16%28.6028.6528.702017
201828.7628.8128.86

From $25.00 to $28.86 over 7.5 years = 1.92% average annual increase compounded semi-annually.

Generated  05/01/17  10:11