$10,000 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 10,0001.79%4.80%10,04010,08010,12010,16010,20010,2402.85%6.93%10,3002005
200610,35610,41610,47610,53610,5960.50%2.21%10,61610,63610,65610,67210,69210,7121.55%4.32%10,7522006
200710,78810,82810,86410,90410,9441.21%3.63%10,97611,00811,04411,07611,10811,1441.53%4.28%11,1842007
200811,22411,26411,30411,34411,3842.42%6.07%11,44011,50011,55611,61211,67211,7282.46%6.15%11,7882008
200911,84811,90811,96812,02812,088-2.78%0.00%12,08812,08812,08812,08812,08812,0881.53%4.28%12,1322009
201012,17212,21612,26012,30412,3480.77%2.75%12,37612,40412,43212,46012,48812,5160.37%1.94%12,5362010
201112,55612,57612,59612,61612,6362.30%5.83%12,69612,75612,82012,88012,94413,0041.53%4.28%13,0482011
201213,09613,14413,18813,23613,2841.10%3.41%13,32013,36013,39613,43613,47213,5120.88%2.97%13,5442012
201313,58013,61213,64413,68013,7120.59%2.39%13,74013,76813,79213,82013,84813,8760.59%2.39%13,9042013
201413,93213,96013,98814,01614,0400.92%3.05%14,07614,11214,14814,18414,22014,2560.74%2.69%14,2882014
201514,32014,35214,38414,41614,448-0.80%0.00%14,44814,44814,44814,44814,44814,4480.77%2.75%14,4802015
201614,51214,54814,58014,61214,6480.08%1.36%14,66414,68014,69614,71614,73214,7481.38%3.98%14,7962016
201714,84414,89614,94414,99215,0400.98%3.17%15,08015,12015,16015,20015,24015,2801.24%3.69%15,3282017
201815,37215,42015,46815,51615,5601.11%3.43%15,60415,64815,69215,73615,78415,8281.16%3.53%15,8762018
201915,92015,96816,01216,06016,1080.70%2.61%16,14416,17616,21216,24816,28416,3201.01%3.23%16,3642019
202016,40816,45216,49616,54016,5840.53%2.27%16,61616,64816,67616,70816,74016,772

From $10,000 to $16,772 over 15.5 years = 3.36% average annual increase compounded semi-annually.

Generated  05/01/20  10:19