$500 I Bond with 1.10% Fixed Rate Purchased June 2003

 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
2003 500.001.77%4.66%502.00503.80505.80507.80509.60511.602003
20040.54%2.19%512.60513.40514.40515.40516.20517.201.19%3.49%518.60520.20521.60523.20524.80526.202004
20051.33%3.77%527.80529.40531.20532.80534.40536.201.79%4.70%538.20540.40542.40544.60546.60548.802005
20062.85%6.83%551.80555.00558.00561.20564.40567.600.50%2.11%568.60569.60570.60571.60572.60573.602006
20071.55%4.22%575.60577.60579.60581.60583.60585.801.21%3.53%587.60589.20591.00592.60594.40596.202007
20081.53%4.18%598.20600.40602.40604.40606.60608.602.42%5.97%611.60614.60617.60620.60623.80626.802008
20092.46%6.05%630.00633.00636.20639.40642.60645.80-2.78%0.00%645.80645.80645.80645.80645.80645.802009
20101.53%4.18%648.00650.20652.60654.80657.00659.200.77%2.65%660.60662.00663.60665.00666.40668.002010
20110.37%1.84%669.00670.00671.00672.00673.20674.202.30%5.73%677.40680.60683.80687.00690.20693.602011
20121.53%4.18%696.00698.40700.80703.20705.60708.001.10%3.31%710.00711.80713.80715.80717.80719.802012
20130.88%2.87%721.60723.20725.00726.60728.40730.200.59%2.29%731.60733.00734.40735.80737.20738.602013
20140.59%2.29%740.00741.40742.80744.20745.60747.000.92%2.95%748.80750.60752.40754.40756.20758.002014
20150.74%2.59%759.60761.20762.80764.60766.20767.80-0.80%0.00%767.80767.80767.80767.80767.80767.802015
20160.77%2.65%769.40771.20772.80774.60776.20778.000.08%1.26%778.80779.60780.40781.20782.00783.002016
20171.38%3.88%785.60788.00790.60793.00795.60798.200.98%3.07%800.20802.20804.40806.40808.40810.402017
20181.24%3.59%812.80815.20817.60820.00822.60825.001.11%3.33%827.20829.60831.80834.20836.40838.802018

From $500.00 to $838.80 over 15.5 years = 3.37% average annual increase compounded semi-annually.

Generated  05/01/18  10:10