$25 I Bond with 1.20% Fixed Rate Purchased March 2008

 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
2008 25.001.53%4.28%25.0925.1825.2725.3625.4525.542.42%6.07%25.6725.8025.922008
200926.0526.1826.322.46%6.15%26.4526.5926.7226.8626.9927.13-2.78%0.00%27.1327.1327.132009
201027.1327.1327.131.53%4.28%27.2327.3227.4227.5227.6127.710.77%2.75%27.7727.8427.902010
201127.9628.0328.090.37%1.94%28.1428.1828.2328.2728.3228.362.30%5.83%28.5028.6328.772011
201228.9129.0529.191.53%4.28%29.2929.4029.5029.6029.7129.811.10%3.41%29.8929.9830.062012
201330.1530.2330.320.88%2.97%30.3930.4730.5430.6230.6930.770.59%2.39%30.8330.8930.952013
201431.0131.0831.140.59%2.39%31.2031.2631.3331.3931.4531.510.92%3.05%31.5931.6731.752014
201531.8331.9131.990.74%2.69%32.0632.1332.2032.2832.3532.42-0.80%0.00%32.4232.4232.422015
201632.4232.4232.420.77%2.75%32.4932.5732.6432.7232.7932.870.08%1.36%32.9132.9432.982016
201733.0233.0633.091.38%3.98%33.2033.3133.4233.5333.6433.750.98%3.17%33.8433.9334.022017
201834.1134.2034.28

From $25.00 to $34.28 over 10.0 years = 3.18% average annual increase compounded semi-annually.

Generated  05/01/17  10:10