$500 I Bond with 1.30% Fixed Rate Purchased September 2007

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
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Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
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Sep
1
Infla
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Rate
Com
posite
Rate
Oct
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Nov
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Dec
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2007 500.001.21%3.74%501.60503.00504.602007
2008506.20507.80509.401.53%4.38%511.20513.00515.00516.80518.60520.602.42%6.17%523.20525.80528.602008
2009531.20534.00536.602.46%6.25%539.40542.20545.00547.80550.60553.40-2.78%0.00%553.40553.40553.402009
2010553.40553.40553.401.53%4.38%555.40557.40559.40561.40563.40565.600.77%2.85%567.00568.20569.602010
2011571.00572.40573.600.37%2.04%574.60575.60576.60577.40578.40579.402.30%5.93%582.20585.00588.002011
2012590.80593.60596.601.53%4.38%598.80601.00603.00605.20607.40609.601.10%3.51%611.40613.20615.002012
2013616.80618.60620.200.88%3.07%621.80623.40625.00626.60628.20629.800.59%2.49%631.20632.40633.802013
2014635.00636.40637.600.59%2.49%639.00640.20641.60642.80644.20645.600.92%3.15%647.20649.00650.602014
2015652.40654.00655.800.74%2.79%657.40658.80660.40661.80663.40665.00-0.80%0.00%665.00665.00665.002015
2016665.00665.00665.000.77%2.85%666.60668.20669.80671.40672.80674.400.08%1.46%675.20676.00676.802016
2017677.60678.60679.401.38%4.08%681.60684.00686.20688.60691.00693.200.98%3.27%695.00697.00698.802017
2018700.80702.60704.601.24%3.80%706.80709.00711.20713.40715.80718.001.11%3.53%720.00722.20724.402018
2019726.40728.60730.601.16%3.64%732.80735.00737.20739.40741.60743.800.70%2.71%745.40747.20748.802019
2020750.60752.20753.801.01%3.33%755.80758.00760.00762.20764.20766.400.53%2.37%768.00769.40771.002020
2021772.40774.00775.400.84%2.99%777.40779.20781.20783.20785.00787.001.77%4.86%790.20793.40796.602021
2022799.60803.00806.203.56%8.47%811.80817.40823.00828.80834.60840.404.81%10.98%848.00855.60863.202022
2023870.80878.60886.603.24%7.82%892.20898.00903.80909.60915.40921.201.69%4.70%924.80928.40932.002023
2024935.60939.20942.801.97%5.27%946.80951.00955.20959.20963.40967.601.48%4.28%971.00974.40977.802024
2025981.40984.80988.400.95%3.21%991.00993.60996.40999.001,001.601,004.201.43%4.18%1,007.601,011.201,014.602025
20261,018.201,021.601,025.201.56%4.44%1,029.001,032.801,036.601,040.401,044.201,048.00

From $500.00 to $1,048.00 over 19.0 years = 3.93% average annual increase compounded semi-annually.

Generated  11/04/25  09:10