$200 I Bond with 1.20% Fixed Rate Purchased May 2005

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2005 200.001.79%4.80%200.80201.60202.40203.20204.00204.802.85%6.93%206.002005
2006207.12208.32209.52210.72211.920.50%2.21%212.32212.72213.12213.44213.84214.241.55%4.32%215.042006
2007215.76216.56217.28218.08218.881.21%3.63%219.52220.16220.88221.52222.16222.881.53%4.28%223.682007
2008224.48225.28226.08226.88227.682.42%6.07%228.80230.00231.12232.24233.44234.562.46%6.15%235.762008
2009236.96238.16239.36240.56241.76-2.78%0.00%241.76241.76241.76241.76241.76241.761.53%4.28%242.642009
2010243.44244.32245.20246.08246.960.77%2.75%247.52248.08248.64249.20249.76250.320.37%1.94%250.722010
2011251.12251.52251.92252.32252.722.30%5.83%253.92255.12256.40257.60258.88260.081.53%4.28%260.962011
2012261.92262.88263.76264.72265.681.10%3.41%266.40267.20267.92268.72269.44270.240.88%2.97%270.882012
2013271.60272.24272.88273.60274.240.59%2.39%274.80275.36275.84276.40276.96277.520.59%2.39%278.082013
2014278.64279.20279.76280.32280.800.92%3.05%281.52282.24282.96283.68284.40285.120.74%2.69%285.762014
2015286.40287.04287.68288.32288.96-0.80%0.00%288.96288.96288.96288.96288.96288.960.77%2.75%289.602015
2016290.24290.96291.60292.24292.960.08%1.36%293.28293.60293.92294.32294.64294.961.38%3.98%295.922016
2017296.88297.92298.88299.84300.800.98%3.17%301.60302.40303.20304.00304.80305.601.24%3.69%306.562017
2018307.44308.40309.36310.32311.201.11%3.43%312.08312.96313.84314.72315.68316.561.16%3.53%317.522018
2019318.40319.36320.24321.20322.160.70%2.61%322.88323.52324.24324.96325.68326.401.01%3.23%327.282019
2020328.16329.04329.92330.80331.680.53%2.27%332.32332.96333.52334.16334.80335.44

From $200.00 to $335.44 over 15.5 years = 3.36% average annual increase compounded semi-annually.

Generated  05/01/20  10:19