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

 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
2003 500.001.23%4.08%501.60503.40505.00506.80508.40510.201.77%5.17%512.40514.602003
2004516.80519.00521.20523.400.54%2.69%524.60525.80527.00528.00529.20530.401.19%4.00%532.20534.002004
2005535.60537.40539.20541.001.33%4.28%543.00544.80546.80548.60550.60552.601.79%5.21%555.00557.402005
2006559.80562.20564.60567.002.85%7.35%570.40573.80577.40580.80584.40587.800.50%2.61%589.00590.402006
2007591.60593.00594.20595.401.55%4.72%597.80600.00602.40604.80607.00609.401.21%4.04%611.40613.402007
2008615.60617.60619.60621.801.53%4.68%624.20626.60629.00631.40634.00636.402.42%6.48%639.80643.202008
2009646.60650.00653.60657.002.46%6.56%660.60664.20667.60671.20675.00678.60-2.78%0.00%678.60678.602009
2010678.60678.60678.60678.601.53%4.68%681.20683.80686.40689.20691.80694.400.77%3.15%696.20698.002010
2011699.80701.60703.60705.400.37%2.35%706.80708.20709.60711.00712.40713.602.30%6.24%717.20721.002011
2012724.60728.40732.20735.801.53%4.68%738.60741.40744.40747.20750.20753.001.10%3.82%755.40757.802012
2013760.20762.60765.00767.400.88%3.37%769.60771.60773.80776.00778.20780.400.59%2.79%782.20784.002013
2014785.80787.60789.40791.200.59%2.79%793.00794.80796.60798.60800.40802.200.92%3.45%804.40806.802014
2015809.00811.40813.80816.000.74%3.09%818.00820.20822.20824.40826.40828.60-0.80%0.00%828.60828.602015
2016828.60828.60828.60828.600.77%3.15%830.80833.00835.00837.20839.40841.600.08%1.76%842.80844.002016
2017845.20846.60847.80849.001.38%4.38%852.00855.20858.20861.40864.40867.600.98%3.58%870.20872.802017
2018875.40878.00880.60883.201.24%4.10%886.20889.20892.20895.20898.20901.401.11%3.84%904.20907.202018
2019910.00913.00915.80918.801.16%3.94%921.80924.80927.80930.80933.80937.000.70%3.01%939.40941.602019
2020944.00946.40948.80951.201.01%3.64%954.00957.00959.80962.80965.60968.600.53%2.67%970.80972.802020
2021975.00977.20979.40981.60

From $500.00 to $981.60 over 18.0 years = 3.78% average annual increase compounded semi-annually.

Generated  05/01/20  10:18