$500 I Bond with 3.30% Fixed Rate Purchased July 1999

 Jan
1
Infla
tion
Rate
Com
posite
Rate
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Infla
tion
Rate
Com
posite
Rate
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
1999 500.000.86%5.05%502.00504.20506.20508.40510.401999
2000512.601.76%6.88%515.40518.40521.40524.20527.20530.201.91%7.18%533.40536.40539.60542.80546.002000
2001549.201.52%6.39%552.00555.00558.00560.80563.80566.801.44%6.23%569.80572.60575.60578.60581.402001
2002584.401.19%5.72%587.20590.00592.60595.40598.20601.200.28%3.87%603.20605.00607.00609.00610.802002
2003612.801.23%5.80%615.80618.60621.60624.60627.60630.601.77%6.90%634.20637.80641.40645.00648.602003
2004652.400.54%4.40%654.80657.20659.60662.00664.40666.801.19%5.72%670.00673.00676.20679.40682.602004
2005685.801.33%6.00%689.20692.60696.00699.40703.00706.401.79%6.94%710.40714.40718.60722.60726.802005
2006731.002.85%9.09%736.40742.00747.40753.00758.60764.200.50%4.32%767.00769.60772.40775.20778.002006
2007780.801.55%6.45%785.00789.20793.20797.40801.80806.001.21%5.76%809.80813.60817.60821.40825.202007
2008829.201.53%6.41%833.60838.00842.40846.80851.20855.802.42%8.22%861.60867.40873.20879.00885.002008
2009891.002.46%8.30%897.00903.20909.40915.40921.80928.00-2.78%0.00%928.00928.00928.00928.00928.002009
2010928.001.53%6.41%932.80937.80942.80947.80952.80957.800.77%4.87%961.60965.60969.40973.20977.202010
2011981.200.37%4.05%984.40987.80991.00994.40997.801,001.002.30%7.98%1,007.601,014.201,020.801,027.401,034.202011
20121,041.001.53%6.41%1,046.401,052.001,057.601,063.201,068.801,074.401.10%5.54%1,079.401,084.201,089.201,094.201,099.202012
20131,104.200.88%5.09%1,108.801,113.401,118.201,122.801,127.601,132.400.59%4.50%1,136.601,140.801,145.001,149.401,153.602013
20141,157.800.59%4.50%1,162.201,166.401,170.801,175.201,179.401,183.800.92%5.17%1,188.801,194.001,199.001,204.201,209.202014
20151,214.400.74%4.80%1,219.201,224.001,228.801,233.801,238.601,243.60-0.80%1.67%1,245.401,247.001,248.801,250.601,252.202015
20161,254.000.77%4.87%1,259.001,264.001,269.201,274.201,279.401,284.600.08%3.46%1,288.201,292.001,295.601,299.401,303.002016
20171,306.801.38%6.11%1,313.401,320.001,326.601,333.201,340.001,346.800.98%5.29%1,352.601,358.601,364.401,370.401,376.402017
20181,382.401.24%5.82%1,389.001,395.601,402.401,409.001,415.801,422.601.11%5.56%1,429.201,435.601,442.201,448.801,455.402018
20191,462.20

From $500.00 to $1,462.20 over 19.5 years = 5.58% average annual increase compounded semi-annually.

Generated  05/01/18  10:10