$25 I Bond with 0.10% Fixed Rate Purchased August 2009

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2009 25.00-2.78%0.00%25.0025.0025.0025.002009
201025.0025.001.53%3.16%25.0725.1325.2025.2625.3325.400.77%1.64%25.4325.4725.5025.542010
201125.5725.610.37%0.84%25.6325.6525.6625.6825.7025.722.30%4.70%25.8225.9226.0226.122011
201226.2226.321.53%3.16%26.3926.4626.5326.6026.6726.741.10%2.30%26.7926.8426.8926.942012
201327.0027.050.88%1.86%27.0927.1327.1827.2227.2627.300.59%1.28%27.3327.3627.3927.422013
201427.4527.470.59%1.28%27.5027.5327.5627.5927.6227.650.92%1.94%27.6927.7427.7827.832014
201527.8727.920.74%1.58%27.9627.9928.0328.0728.1028.14-0.80%0.00%28.1428.1428.1428.142015
201628.1428.140.77%1.64%28.1828.2228.2628.2928.3328.370.08%0.26%28.3828.3828.3928.392016
201728.4028.411.38%2.86%28.4828.5428.6128.6828.7528.820.98%2.06%28.8728.9228.9729.022017
201829.0729.12

From $25.00 to $29.12 over 8.5 years = 1.80% average annual increase compounded semi-annually.

Generated  05/01/17  10:11