$25 I Bond with 0.00% Fixed Rate Purchased October 2017

 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
2017 25.000.98%1.96%25.0425.082017
201825.1225.1625.2025.251.24%2.48%25.3025.3525.4125.4625.5125.561.11%2.22%25.6125.652018
201925.7025.7525.8025.841.16%2.32%25.8925.9425.9926.0426.0926.140.70%1.40%26.1726.202019
202026.2326.2626.2926.321.01%2.02%26.3626.4126.4526.5026.5426.590.53%1.06%26.6126.642020
202126.6626.6826.7126.730.84%1.68%26.7726.8026.8426.8826.9226.951.77%3.54%27.0327.112021
202227.1927.2727.3527.433.56%7.12%27.5927.7527.9128.0828.2428.414.81%9.62%28.6328.862022
202329.0929.3129.5429.783.24%6.48%29.9430.1030.2630.4230.5830.741.69%3.38%30.8330.912023
202431.0031.0931.1731.261.97%3.94%31.3631.4631.5731.6731.7731.881.48%2.96%31.9632.042024
202532.1232.1932.2732.350.95%1.90%32.4032.4532.5032.5532.6132.661.43%2.86%32.7432.812025
202632.8932.9733.0533.131.56%3.12%33.2233.3033.3933.4733.5633.65

From $25.00 to $33.65 over 9.0 years = 3.33% average annual increase compounded semi-annually.

Generated  11/04/25  09:11