$25 I Bond with 1.20% Fixed Rate Purchased December 2007

 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
2007 25.002007
20081.53%4.28%25.0925.1825.2725.3625.4525.542.42%6.07%25.6725.8025.9226.0526.1826.322008
20092.46%6.15%26.4526.5926.7226.8626.9927.13-2.78%0.00%27.1327.1327.1327.1327.1327.132009
20101.53%4.28%27.2327.3227.4227.5227.6127.710.77%2.75%27.7727.8427.9027.9628.0328.092010
20110.37%1.94%28.1428.1828.2328.2728.3228.362.30%5.83%28.5028.6328.7728.9129.0529.192011
20121.53%4.28%29.2929.4029.5029.6029.7129.811.10%3.41%29.8929.9830.0630.1530.2330.322012
20130.88%2.97%30.3930.4730.5430.6230.6930.770.59%2.39%30.8330.8930.9531.0131.0831.142013
20140.59%2.39%31.2031.2631.3331.3931.4531.510.92%3.05%31.5931.6731.7531.8331.9131.992014
20150.74%2.69%32.0632.1332.2032.2832.3532.42-0.80%0.00%32.4232.4232.4232.4232.4232.422015
20160.77%2.75%32.4932.5732.6432.7232.7932.870.08%1.36%32.9132.9432.9833.0233.0633.092016
20171.38%3.98%33.2033.3133.4233.5333.6433.750.98%3.17%33.8433.9334.0234.1134.2034.282017
20181.24%3.69%34.3834.4934.5934.7034.8134.91

From $25.00 to $34.91 over 10.5 years = 3.21% average annual increase compounded semi-annually.

Generated  11/17/17  15:20