$10,000 I Bond with 1.00% Fixed Rate Purchased January 2005

 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
200510,0001.33%3.67%10,03210,06010,09210,12010,15210,1841.79%4.60%10,22410,26010,30010,34010,3802005
200610,4202.85%6.73%10,47610,53610,59210,65210,71210,7720.50%2.01%10,78810,80810,82410,84410,8642006
200710,8801.55%4.12%10,91610,95610,99211,02811,06811,1041.21%3.43%11,13611,16811,20011,23211,2642007
200811,2961.53%4.08%11,33611,37211,41211,44811,48811,5282.42%5.86%11,58411,64011,69611,75211,8082008
200911,8642.46%5.94%11,92411,98012,04012,09612,15612,216-2.78%0.00%12,21612,21612,21612,21612,2162009
201012,2161.53%4.08%12,25612,30012,34012,38012,42412,4640.77%2.55%12,49212,51612,54412,56812,5962010
201112,6240.37%1.74%12,64412,66012,68012,69612,71612,7322.30%5.62%12,79212,85212,90812,96813,0282011
201213,0881.53%4.08%13,13213,17613,22013,26413,31213,3561.10%3.21%13,39213,42813,46413,50013,5362012
201313,5720.88%2.77%13,60413,63613,66413,69613,72813,7600.59%2.19%13,78413,81213,83613,86013,8842013
201413,9120.59%2.19%13,93613,96413,98814,01214,04014,0640.92%2.85%14,09614,13214,16414,19614,2322014
201514,2640.74%2.49%14,29214,32414,35214,38414,41214,440-0.80%0.00%14,44014,44014,44014,44014,4402015
201614,4400.77%2.55%14,47214,50014,53214,56414,59214,6240.08%1.16%14,64014,65214,66814,68014,6962016
201714,7081.38%3.77%14,75214,80014,84414,89214,94014,9840.98%2.97%15,02015,05615,09615,13215,1682017
201815,2081.24%3.49%15,25215,29615,34015,38415,42815,4721.11%3.23%15,51215,55615,59615,64015,6802018
201915,7201.16%3.33%15,76415,80815,85215,89615,93615,9800.70%2.41%16,01216,04416,07616,10816,1402019
202016,1721.01%3.03%16,21216,25216,29616,33616,37616,416

From $10,000 to $16,416 over 15.5 years = 3.22% average annual increase compounded semi-annually.

Generated  11/01/19  10:10