$25 I Bond with 1.40% Fixed Rate Purchased January 2007

 Jan
1
Infla
tion
Rate
Com
posite
Rate
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Infla
tion
Rate
Com
posite
Rate
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
200725.001.55%4.52%25.0925.1925.2825.3825.4725.571.21%3.84%25.6525.7325.8125.9025.982007
200826.061.53%4.48%26.1626.2526.3526.4526.5526.642.42%6.27%26.7826.9227.0527.1927.332008
200927.482.46%6.35%27.6227.7727.9128.0628.2128.35-2.78%0.00%28.3528.3528.3528.3528.352009
201028.351.53%4.48%28.4528.5628.6728.7728.8828.990.77%2.95%29.0629.1329.2029.2729.352010
201129.420.37%2.15%29.4729.5329.5829.6329.6829.742.30%6.03%29.8930.0430.1930.3330.492011
201230.641.53%4.48%30.7530.8730.9831.1031.2131.331.10%3.62%31.4231.5231.6131.7131.802012
201331.900.88%3.17%31.9832.0732.1532.2432.3232.410.59%2.59%32.4832.5532.6232.6932.762013
201432.830.59%2.59%32.9032.9733.0433.1133.1833.260.92%3.25%33.3533.4433.5333.6233.712014
201533.800.74%2.89%33.8833.9634.0434.1234.2134.29-0.80%0.00%34.2934.2934.2934.2934.292015
201634.290.77%2.95%34.3734.4634.5434.6334.7134.800.08%1.56%34.8534.8934.9434.9835.032016
201735.071.38%4.18%35.1935.3135.4335.5635.6835.800.98%3.37%35.9036.0036.1036.2036.302017
201836.401.24%3.90%36.5236.6436.7536.8736.9937.11

From $25.00 to $37.11 over 11.5 years = 3.46% average annual increase compounded semi-annually.

Generated  11/17/17  15:20