$75 I Bond with 3.30% Fixed Rate Purchased August 1999

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
1999 75.000.86%5.05%75.3075.6375.9376.261999
200076.5676.891.76%6.88%77.3177.7678.2178.6379.0879.531.91%7.18%80.0180.4680.9481.422000
200181.9082.381.52%6.39%82.8083.2583.7084.1284.5785.021.44%6.23%85.4785.8986.3486.792001
200287.2187.661.19%5.72%88.0888.5088.8989.3189.7390.180.28%3.87%90.4890.7591.0591.352002
200391.6291.921.23%5.80%92.3792.7993.2493.6994.1494.591.77%6.90%95.1395.6796.2196.752003
200497.2997.860.54%4.40%98.2298.5898.9499.3099.66100.021.19%5.72%100.50100.95101.43101.912004
2005102.39102.871.33%6.00%103.38103.89104.40104.91105.45105.961.79%6.94%106.56107.16107.79108.392005
2006109.02109.652.85%9.09%110.46111.30112.11112.95113.79114.630.50%4.32%115.05115.44115.86116.282006
2007116.70117.121.55%6.45%117.75118.38118.98119.61120.27120.901.21%5.76%121.47122.04122.64123.212007
2008123.78124.381.53%6.41%125.04125.70126.36127.02127.68128.372.42%8.22%129.24130.11130.98131.852008
2009132.75133.652.46%8.30%134.55135.48136.41137.31138.27139.20-2.78%0.00%139.20139.20139.20139.202009
2010139.20139.201.53%6.41%139.92140.67141.42142.17142.92143.670.77%4.87%144.24144.84145.41145.982010
2011146.58147.180.37%4.05%147.66148.17148.65149.16149.67150.152.30%7.98%151.14152.13153.12154.112011
2012155.13156.151.53%6.41%156.96157.80158.64159.48160.32161.161.10%5.54%161.91162.63163.38164.132012
2013164.88165.630.88%5.09%166.32167.01167.73168.42169.14169.860.59%4.50%170.49171.12171.75172.412013
2014173.04173.670.59%4.50%174.33174.96175.62176.28176.91177.570.92%5.17%178.32179.10179.85180.632014
2015181.38182.160.74%4.80%182.88183.60184.32185.07185.79186.54-0.80%1.67%186.81187.05187.32187.592015
2016187.83188.100.77%4.87%188.85189.60190.38191.13191.91192.690.08%3.46%193.23193.80194.34194.912016
2017195.45196.021.38%6.11%197.01198.00198.99199.98201.00202.020.98%5.29%202.89203.79204.66205.562017
2018206.46207.361.24%5.82%208.35209.34210.36211.35212.37213.391.11%5.56%214.38215.34216.33217.322018
2019218.31219.331.16%5.66%220.35221.37222.42223.44224.49225.540.70%4.72%226.41227.31228.18229.082019
2020229.98230.851.01%5.35%231.87232.89233.91234.96235.98237.030.53%4.38%237.90238.74239.61240.482020
2021241.35242.220.84%5.01%243.21244.23245.25246.24247.26248.281.77%6.90%249.69251.10252.54253.952021
2022255.39256.863.56%10.54%259.08261.30263.55265.80268.08270.394.81%13.08%273.27276.15279.09282.062022
2023285.06288.063.24%9.89%290.40292.74295.11297.48299.88302.311.69%6.74%303.99305.67307.35309.062023
2024310.77312.511.97%7.31%314.40316.26318.18320.07321.99323.941.48%6.31%325.62327.30329.01330.722024
2025332.43334.170.95%5.23%335.61337.05338.52339.96341.43342.901.43%6.21%344.64346.41348.18349.952025
2026351.75353.551.56%6.47%355.44357.33359.22361.14363.06364.981.67%6.70%366.99369.00371.04373.082026
2027375.15377.22

From $75.00 to $377.22 over 27.5 years = 5.96% average annual increase compounded semi-annually.

Generated  05/01/26  08:02