$75 I Bond with 3.40% Fixed Rate Purchased October 1998

 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
1998 75.000.62%4.66%75.3075.571998
199975.8776.1776.4476.740.86%5.15%77.0777.4077.7378.0678.3978.720.86%5.15%79.0579.381999
200079.7480.0780.4080.761.76%6.98%81.2181.6982.1782.6283.1083.581.91%7.28%84.0984.572000
200185.0885.5986.1086.611.52%6.49%87.0687.5487.9988.4788.9589.431.44%6.33%89.9190.362001
200290.8491.3291.7792.251.19%5.82%92.7093.1593.5794.0294.4794.920.28%3.97%95.2295.552002
200395.8596.1896.4896.811.23%5.90%97.2997.7498.2298.7099.1899.661.77%7.00%100.23100.802003
2004101.40101.97102.57103.140.54%4.50%103.53103.92104.28104.67105.06105.451.19%5.82%105.96106.472004
2005106.98107.49108.00108.511.33%6.11%109.05109.59110.16110.70111.27111.811.79%7.04%112.47113.102005
2006113.76114.42115.08115.742.85%9.20%116.61117.48118.38119.25120.15121.050.50%4.42%121.50121.952006
2007122.37122.82123.27123.721.55%6.55%124.38125.07125.73126.42127.08127.771.21%5.86%128.40129.002007
2008129.63130.26130.89131.521.53%6.51%132.21132.93133.65134.37135.09135.812.42%8.32%136.74137.672008
2009138.60139.56140.49141.452.46%8.40%142.41143.40144.39145.38146.37147.39-2.78%0.00%147.39147.392009
2010147.39147.39147.39147.391.53%6.51%148.17148.98149.76150.57151.38152.190.77%4.97%152.82153.452010
2011154.08154.71155.34155.970.37%4.15%156.51157.05157.59158.13158.67159.212.30%8.08%160.26161.342011
2012162.39163.47164.55165.631.53%6.51%166.53167.40168.30169.20170.10171.031.10%5.64%171.81172.622012
2013173.43174.24175.05175.860.88%5.19%176.61177.36178.14178.89179.64180.420.59%4.60%181.11181.802013
2014182.49183.18183.87184.560.59%4.60%185.25185.97186.66187.38188.10188.790.92%5.27%189.60190.442014
2015191.25192.09192.93193.770.74%4.91%194.55195.33196.14196.92197.73198.54-0.80%1.77%198.84199.112015
2016199.41199.71200.01200.310.77%4.97%201.12201.96202.77203.61204.45205.290.08%3.56%205.89206.492016
2017207.12207.72208.32208.951.38%6.21%210.03211.08212.16213.24214.35215.430.98%5.39%216.39217.352017
2018218.31219.27220.26221.251.24%5.92%222.33223.41224.49225.60226.68227.791.11%5.66%228.84229.922018
2019231.00232.08233.16234.241.16%5.76%235.35236.46237.60238.71239.85240.990.70%4.82%241.95242.912019
2020243.87244.86245.82246.811.01%5.45%247.92249.03250.14251.28252.39253.530.53%4.48%254.46255.422020
2021256.35257.31258.24259.200.84%5.11%260.28261.39262.50263.61264.72265.831.77%7.00%267.36268.892021
2022270.45272.01273.57275.133.56%10.64%277.53279.93282.36284.79287.28289.774.81%13.18%292.86296.012022
2023299.16302.37305.61308.883.24%9.99%311.40313.95316.50319.08321.69324.301.69%6.84%326.13327.962023
2024329.79331.65333.51335.401.97%7.41%337.44339.48341.55343.62345.72347.821.48%6.41%349.65351.512024
2025353.34355.20357.09358.980.95%5.33%360.57362.13363.72365.34366.93368.551.43%6.31%370.47372.392025
2026374.31376.26378.21380.19

From $75.00 to $380.19 over 27.5 years = 5.99% average annual increase compounded semi-annually.

Generated  05/01/25  10:59