$50 I Bond with 0.10% Fixed Rate Purchased June 2009

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2009 50.00-2.78%0.00%50.0050.0050.0050.0050.0050.002009
20101.53%3.16%50.1450.2650.4050.5250.6650.800.77%1.64%50.8650.9451.0051.0851.1451.222010
20110.37%0.84%51.2651.3051.3251.3651.4051.442.30%4.70%51.6451.8452.0452.2452.4452.642011
20121.53%3.16%52.7852.9253.0653.2053.3453.481.10%2.30%53.5853.6853.7853.8854.0054.102012
20130.88%1.86%54.1854.2654.3654.4454.5254.600.59%1.28%54.6654.7254.7854.8454.9054.942013
20140.59%1.28%55.0055.0655.1255.1855.2455.300.92%1.94%55.3855.4855.5655.6655.7455.842014
20150.74%1.58%55.9255.9856.0656.1456.2056.28-0.80%0.00%56.2856.2856.2856.2856.2856.282015
20160.77%1.64%56.3656.4456.5256.5856.6656.740.08%0.26%56.7656.7656.7856.7856.8056.822016
20171.38%2.86%56.9657.0857.2257.3657.5057.640.98%2.06%57.7457.8457.9458.0458.1458.242017
20181.24%2.58%58.3658.4858.6258.7458.8659.001.11%2.32%59.1259.2259.3459.4659.5659.682018
20191.16%2.42%59.8059.9260.0460.1660.2860.400.70%1.50%60.4860.5660.6260.7060.7860.862019
20201.01%2.12%60.9661.0861.1861.2861.4061.500.53%1.16%61.5661.6261.6861.7461.8061.862020
20210.84%1.78%61.9662.0462.1462.2262.3262.421.77%3.64%62.6062.8062.9863.1863.3663.562021
20223.56%7.22%63.9464.3264.7065.0865.4665.864.81%9.72%66.3866.9267.4467.9868.5269.062022
20233.24%6.58%69.4469.8070.1870.5670.9471.341.69%3.48%71.5471.7671.9672.1672.3872.582023
20241.97%4.04%72.8273.0673.3073.5673.8074.041.48%3.06%74.2274.4274.6074.8074.9875.182024
20250.95%2.00%75.3075.4275.5675.6875.8075.941.43%2.96%76.1276.3276.5076.6876.8877.062025
20261.56%3.22%77.2677.4877.6877.8878.1078.30

From $50.00 to $78.30 over 17.0 years = 2.66% average annual increase compounded semi-annually.

Generated  11/04/25  09:10