$50 I Bond with 0.70% Fixed Rate Purchased November 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 50.002.46%5.64%50.242008
200950.4650.7050.9451.1851.42-2.78%0.00%51.4251.4251.4251.4251.4251.421.53%3.77%51.582009
201051.7451.9052.0652.2252.380.77%2.25%52.4852.5852.6852.7852.8852.960.37%1.44%53.022010
201153.0853.1653.2253.2853.342.30%5.32%53.5853.8054.0454.2854.5254.761.53%3.77%54.942011
201255.1055.2855.4455.6255.801.10%2.91%55.9456.0656.2056.3456.4856.620.88%2.47%56.742012
201356.8656.9657.0857.2057.320.59%1.88%57.4057.5057.5857.6857.7657.860.59%1.88%57.962013
201458.0458.1458.2258.3258.400.92%2.55%58.5258.6458.7858.9059.0259.140.74%2.19%59.242014
201559.3659.4659.5859.6859.78-0.80%0.00%59.7859.7859.7859.7859.7859.780.77%2.25%59.902015
201660.0060.1260.2260.3460.460.08%0.86%60.5060.5460.5860.6460.6860.721.38%3.47%60.902016
201761.0661.2461.4261.6061.780.98%2.67%61.9262.0662.2062.3262.4662.601.24%3.19%62.762017
201862.9463.1063.2663.4463.601.11%2.93%63.7663.9064.0664.2264.3864.541.16%3.03%64.702018
201964.8665.0265.2065.3665.520.70%2.10%65.6465.7465.8665.9866.1066.201.01%2.73%66.342019
202066.5066.6666.8066.9667.100.53%1.76%67.2067.3067.4067.5067.6067.700.84%2.39%67.842020
202167.9668.1068.2468.3868.501.77%4.25%68.7468.9869.2269.4669.7269.963.56%7.84%70.402021
202270.8671.3271.7872.2472.704.81%10.35%73.3273.9474.5675.1875.8276.463.24%7.20%76.922022
202377.3677.8278.2878.7479.221.69%4.09%79.4879.7680.0280.3080.5680.841.97%4.65%81.162023
202481.4681.7882.0882.4082.721.48%3.67%82.9883.2283.4883.7283.9884.24

From $50.00 to $84.24 over 16.0 years = 3.29% average annual increase compounded semi-annually.

Generated  05/12/24  08:12