$500 I Bond with 1.20% Fixed Rate Purchased June 2005

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2005 500.001.79%4.80%502.00504.00506.00508.00510.00512.002005
20062.85%6.93%515.00517.80520.80523.80526.80529.800.50%2.21%530.80531.80532.80533.60534.60535.602006
20071.55%4.32%537.60539.40541.40543.20545.20547.201.21%3.63%548.80550.40552.20553.80555.40557.202007
20081.53%4.28%559.20561.20563.20565.20567.20569.202.42%6.07%572.00575.00577.80580.60583.60586.402008
20092.46%6.15%589.40592.40595.40598.40601.40604.40-2.78%0.00%604.40604.40604.40604.40604.40604.402009
20101.53%4.28%606.60608.60610.80613.00615.20617.400.77%2.75%618.80620.20621.60623.00624.40625.802010
20110.37%1.94%626.80627.80628.80629.80630.80631.802.30%5.83%634.80637.80641.00644.00647.20650.202011
20121.53%4.28%652.40654.80657.20659.40661.80664.201.10%3.41%666.00668.00669.80671.80673.60675.602012
20130.88%2.97%677.20679.00680.60682.20684.00685.600.59%2.39%687.00688.40689.60691.00692.40693.802013
20140.59%2.39%695.20696.60698.00699.40700.80702.000.92%3.05%703.80705.60707.40709.20711.00712.802014
20150.74%2.69%714.40716.00717.60719.20720.80722.40-0.80%0.00%722.40722.40722.40722.40722.40722.402015
20160.77%2.75%724.00725.60727.40729.00730.60732.400.08%1.36%733.20734.00734.80735.80736.60737.402016
20171.38%3.98%739.80742.20744.80747.20749.60752.000.98%3.17%754.00756.00758.00760.00762.00764.002017
20181.24%3.69%766.40768.60771.00773.40775.80778.001.11%3.43%780.20782.40784.60786.80789.20791.402018

From $500.00 to $791.40 over 13.5 years = 3.43% average annual increase compounded semi-annually.

Generated  05/01/18  10:10