$500 I Bond with 1.60% Fixed Rate Purchased March 2003

 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
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Infla
tion
Rate
Com
posite
Rate
Oct
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Nov
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Dec
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2003 500.001.23%4.08%501.60503.40505.00506.80508.40510.201.77%5.17%512.40514.60516.802003
2004519.00521.20523.400.54%2.69%524.60525.80527.00528.00529.20530.401.19%4.00%532.20534.00535.602004
2005537.40539.20541.001.33%4.28%543.00544.80546.80548.60550.60552.601.79%5.21%555.00557.40559.802005
2006562.20564.60567.002.85%7.35%570.40573.80577.40580.80584.40587.800.50%2.61%589.00590.40591.602006
2007593.00594.20595.401.55%4.72%597.80600.00602.40604.80607.00609.401.21%4.04%611.40613.40615.602007
2008617.60619.60621.801.53%4.68%624.20626.60629.00631.40634.00636.402.42%6.48%639.80643.20646.602008
2009650.00653.60657.002.46%6.56%660.60664.20667.60671.20675.00678.60-2.78%0.00%678.60678.60678.602009
2010678.60678.60678.601.53%4.68%681.20683.80686.40689.20691.80694.400.77%3.15%696.20698.00699.802010
2011701.60703.60705.400.37%2.35%706.80708.20709.60711.00712.40713.602.30%6.24%717.20721.00724.602011
2012728.40732.20735.801.53%4.68%738.60741.40744.40747.20750.20753.001.10%3.82%755.40757.80760.202012
2013762.60765.00767.400.88%3.37%769.60771.60773.80776.00778.20780.400.59%2.79%782.20784.00785.802013
2014787.60789.40791.200.59%2.79%793.00794.80796.60798.60800.40802.200.92%3.45%804.40806.80809.002014
2015811.40813.80816.000.74%3.09%818.00820.20822.20824.40826.40828.60-0.80%0.00%828.60828.60828.602015
2016828.60828.60828.600.77%3.15%830.80833.00835.00837.20839.40841.600.08%1.76%842.80844.00845.202016
2017846.60847.80849.001.38%4.38%852.00855.20858.20861.40864.40867.600.98%3.58%870.20872.80875.402017
2018878.00880.60883.201.24%4.10%886.20889.20892.20895.20898.20901.401.11%3.84%904.20907.20910.002018
2019913.00915.80918.801.16%3.94%921.80924.80927.80930.80933.80937.000.70%3.01%939.40941.60944.002019
2020946.40948.80951.201.01%3.64%954.00957.00959.80962.80965.60968.60

From $500.00 to $968.60 over 17.5 years = 3.81% average annual increase compounded semi-annually.

Generated  11/01/19  10:09