$25 I Bond with 0.70% Fixed Rate Purchased December 2008

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2008 25.002008
20092.46%5.64%25.1225.2325.3525.4725.5925.71-2.78%0.00%25.7125.7125.7125.7125.7125.712009
20101.53%3.77%25.7925.8725.9526.0326.1126.190.77%2.25%26.2426.2926.3426.3926.4426.482010
20110.37%1.44%26.5126.5426.5826.6126.6426.672.30%5.32%26.7926.9027.0227.1427.2627.382011
20121.53%3.77%27.4727.5527.6427.7227.8127.901.10%2.91%27.9728.0328.1028.1728.2428.312012
20130.88%2.47%28.3728.4328.4828.5428.6028.660.59%1.88%28.7028.7528.7928.8428.8828.932013
20140.59%1.88%28.9829.0229.0729.1129.1629.200.92%2.55%29.2629.3229.3929.4529.5129.572014
20150.74%2.19%29.6229.6829.7329.7929.8429.89-0.80%0.00%29.8929.8929.8929.8929.8929.892015
20160.77%2.25%29.9530.0030.0630.1130.1730.230.08%0.86%30.2530.2730.2930.3230.3430.362016
20171.38%3.47%30.4530.5330.6230.7130.8030.89

From $25.00 to $30.89 over 8.5 years = 2.50% average annual increase compounded semi-annually.

Generated  11/01/16  10:44