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

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
1
2008 25.002.42%4.84%25.1025.202008
200925.3025.4025.5025.612.46%4.92%25.7125.8225.9226.0326.1326.24-2.78%0.00%26.2426.242009
201026.2426.2426.2426.241.53%3.06%26.3126.3726.4426.5126.5726.640.77%1.54%26.6726.712010
201126.7426.7826.8126.850.37%0.74%26.8726.8826.9026.9226.9326.952.30%4.60%27.0527.162011
201227.2627.3627.4727.571.53%3.06%27.6427.7127.7827.8527.9227.991.10%2.20%28.0428.092012
201328.1428.1928.2528.300.88%1.76%28.3428.3828.4228.4728.5128.550.59%1.18%28.5828.612013
201428.6328.6628.6928.720.59%1.18%28.7528.7828.8028.8328.8628.890.92%1.84%28.9328.982014
201529.0229.0729.1129.160.74%1.48%29.2029.2329.2729.3029.3429.38-0.80%0.00%29.3829.382015
201629.3829.3829.3829.380.77%1.54%29.4229.4629.4929.5329.5729.610.08%0.16%29.6129.622016
201729.6229.6329.6329.631.38%2.76%29.7029.7729.8329.9029.9730.040.98%1.96%30.0930.142017
201830.1930.2430.2930.331.24%2.48%30.3930.4530.5230.5830.6430.711.11%2.22%30.7730.822018
201930.8830.9430.9931.051.16%2.32%31.1131.1731.2331.2931.3531.410.70%1.40%31.4531.482019
202031.5231.5631.5931.631.01%2.02%31.6831.7431.7931.8431.9031.950.53%1.06%31.9832.012020
202132.0332.0632.0932.120.84%1.68%32.1632.2132.2532.3032.3432.391.77%3.54%32.4832.582021
202232.6832.7732.8732.963.56%7.12%33.1533.3533.5433.7433.9334.134.81%9.62%34.4034.672022
202334.9435.2235.4935.773.24%6.48%35.9636.1536.3436.5436.7336.931.69%3.38%37.0337.142023
202437.2437.3437.4537.551.97%3.94%37.6737.7937.9238.0438.1738.291.48%2.96%38.3838.482024
202538.5738.6738.7638.860.95%1.90%38.9238.9839.0439.1139.1739.231.43%2.86%39.3239.422025
202639.5139.6039.7039.79

From $25.00 to $39.79 over 17.5 years = 2.67% average annual increase compounded semi-annually.

Generated  05/01/25  10:59