$100 I Bond with 3.30% Fixed Rate Purchased September 1999

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
posite
Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
Rate
Com
posite
Rate
Oct
1
Nov
1
Dec
1
1999 100.000.86%5.05%100.40100.84101.241999
2000101.68102.08102.521.76%6.88%103.08103.68104.28104.84105.44106.041.91%7.18%106.68107.28107.922000
2001108.56109.20109.841.52%6.39%110.40111.00111.60112.16112.76113.361.44%6.23%113.96114.52115.122001
2002115.72116.28116.881.19%5.72%117.44118.00118.52119.08119.64120.240.28%3.87%120.64121.00121.402002
2003121.80122.16122.561.23%5.80%123.16123.72124.32124.92125.52126.121.77%6.90%126.84127.56128.282003
2004129.00129.72130.480.54%4.40%130.96131.44131.92132.40132.88133.361.19%5.72%134.00134.60135.242004
2005135.88136.52137.161.33%6.00%137.84138.52139.20139.88140.60141.281.79%6.94%142.08142.88143.722005
2006144.52145.36146.202.85%9.09%147.28148.40149.48150.60151.72152.840.50%4.32%153.40153.92154.482006
2007155.04155.60156.161.55%6.45%157.00157.84158.64159.48160.36161.201.21%5.76%161.96162.72163.522007
2008164.28165.04165.841.53%6.41%166.72167.60168.48169.36170.24171.162.42%8.22%172.32173.48174.642008
2009175.80177.00178.202.46%8.30%179.40180.64181.88183.08184.36185.60-2.78%0.00%185.60185.60185.602009
2010185.60185.60185.601.53%6.41%186.56187.56188.56189.56190.56191.560.77%4.87%192.32193.12193.882010
2011194.64195.44196.240.37%4.05%196.88197.56198.20198.88199.56200.202.30%7.98%201.52202.84204.162011
2012205.48206.84208.201.53%6.41%209.28210.40211.52212.64213.76214.881.10%5.54%215.88216.84217.842012
2013218.84219.84220.840.88%5.09%221.76222.68223.64224.56225.52226.480.59%4.50%227.32228.16229.002013
2014229.88230.72231.560.59%4.50%232.44233.28234.16235.04235.88236.760.92%5.17%237.76238.80239.802014
2015240.84241.84242.880.74%4.80%243.84244.80245.76246.76247.72248.72-0.80%1.67%249.08249.40249.762015
2016250.12250.44250.800.77%4.87%251.80252.80253.84254.84255.88256.920.08%3.46%257.64258.40259.122016
2017259.88260.60261.361.38%6.11%262.68264.00265.32266.64268.00269.360.98%5.29%270.52271.72272.882017
2018274.08275.28276.481.24%5.82%277.80279.12280.48281.80283.16284.521.11%5.56%285.84287.12288.442018
2019289.76291.08292.44

From $100.00 to $292.44 over 19.5 years = 5.58% average annual increase compounded semi-annually.

Generated  05/01/18  10:10