$25 I Bond with 0.00% Fixed Rate Purchased May 2008

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2008 25.002.42%4.84%25.1025.2025.3025.4025.5025.612.46%4.92%25.712008
200925.8225.9226.0326.1326.24-2.78%0.00%26.2426.2426.2426.2426.2426.241.53%3.06%26.312009
201026.3726.4426.5126.5726.640.77%1.54%26.6726.7126.7426.7826.8126.850.37%0.74%26.872010
201126.8826.9026.9226.9326.952.30%4.60%27.0527.1627.2627.3627.4727.571.53%3.06%27.642011
201227.7127.7827.8527.9227.991.10%2.20%28.0428.0928.1428.1928.2528.300.88%1.76%28.342012
201328.3828.4228.4728.5128.550.59%1.18%28.5828.6128.6328.6628.6928.720.59%1.18%28.752013
201428.7828.8028.8328.8628.890.92%1.84%28.9328.9829.0229.0729.1129.160.74%1.48%29.202014
201529.2329.2729.3029.3429.38-0.80%0.00%29.3829.3829.3829.3829.3829.380.77%1.54%29.422015
201629.4629.4929.5329.5729.610.08%0.16%29.6129.6229.6229.6329.6329.631.38%2.76%29.702016
201729.7729.8329.9029.9730.040.98%1.96%30.0930.1430.1930.2430.2930.33

From $25.00 to $30.33 over 9.5 years = 2.04% average annual increase compounded semi-annually.

Generated  05/01/17  10:10