$200 I Bond with 1.20% Fixed Rate Purchased March 2008

 Jan
1
Feb
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Mar
1
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Rate
Com
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Rate
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May
1
Jun
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Jul
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Aug
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Sep
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Com
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Nov
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Dec
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2008 200.001.53%4.28%200.72201.44202.16202.88203.60204.322.42%6.07%205.36206.40207.362008
2009208.40209.44210.562.46%6.15%211.60212.72213.76214.88215.92217.04-2.78%0.00%217.04217.04217.042009
2010217.04217.04217.041.53%4.28%217.84218.56219.36220.16220.88221.680.77%2.75%222.16222.72223.202010
2011223.68224.24224.720.37%1.94%225.12225.44225.84226.16226.56226.882.30%5.83%228.00229.04230.162011
2012231.28232.40233.521.53%4.28%234.32235.20236.00236.80237.68238.481.10%3.41%239.12239.84240.482012
2013241.20241.84242.560.88%2.97%243.12243.76244.32244.96245.52246.160.59%2.39%246.64247.12247.602013
2014248.08248.64249.120.59%2.39%249.60250.08250.64251.12251.60252.080.92%3.05%252.72253.36254.002014
2015254.64255.28255.920.74%2.69%256.48257.04257.60258.24258.80259.36-0.80%0.00%259.36259.36259.362015
2016259.36259.36259.360.77%2.75%259.92260.56261.12261.76262.32262.960.08%1.36%263.28263.52263.842016
2017264.16264.48264.721.38%3.98%265.60266.48267.36268.24269.12270.000.98%3.17%270.72271.44272.162017
2018272.88273.60274.241.24%3.69%275.04275.92276.72277.60278.48279.281.11%3.43%280.08280.88281.682018
2019282.48283.28284.081.16%3.53%284.88285.76286.56287.44288.24289.120.70%2.61%289.76290.40291.042019
2020291.60292.24292.881.01%3.23%293.68294.48295.20296.00296.80297.600.53%2.27%298.16298.72299.282020
2021299.84300.40300.960.84%2.89%301.68302.40303.12303.84304.56305.281.77%4.76%306.48307.68308.882021
2022310.08311.36312.563.56%8.36%314.72316.88319.04321.20323.44325.604.81%10.88%328.48331.44334.322022
2023337.28340.32343.283.24%7.72%345.44347.68349.84352.08354.32356.561.69%4.60%357.92359.28360.642023
2024362.00363.36364.801.97%5.16%366.32367.92369.44371.04372.64374.241.48%4.18%375.52376.80378.162024
2025379.44380.72382.080.95%3.11%383.04384.08385.04386.00387.04388.001.43%4.08%389.28390.64391.922025
2026393.28394.56395.921.56%4.34%397.36398.80400.16401.60403.04404.48

From $200.00 to $404.48 over 18.5 years = 3.84% average annual increase compounded semi-annually.

Generated  11/04/25  09:10