$10,000 I Bond with 1.60% Fixed Rate Purchased April 2003

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
1
2003 10,0001.23%4.08%10,03210,06810,10010,13610,16810,2041.77%5.17%10,24810,2922003
200410,33610,38010,42410,4680.54%2.69%10,49210,51610,54010,56010,58410,6081.19%4.00%10,64410,6802004
200510,71210,74810,78410,8201.33%4.28%10,86010,89610,93610,97211,01211,0521.79%5.21%11,10011,1482005
200611,19611,24411,29211,3402.85%7.35%11,40811,47611,54811,61611,68811,7560.50%2.61%11,78011,8082006
200711,83211,86011,88411,9081.55%4.72%11,95612,00012,04812,09612,14012,1881.21%4.04%12,22812,2682007
200812,31212,35212,39212,4361.53%4.68%12,48412,53212,58012,62812,68012,7282.42%6.48%12,79612,8642008
200912,93213,00013,07213,1402.46%6.56%13,21213,28413,35213,42413,50013,572-2.78%0.00%13,57213,5722009
201013,57213,57213,57213,5721.53%4.68%13,62413,67613,72813,78413,83613,8880.77%3.15%13,92413,9602010
201113,99614,03214,07214,1080.37%2.35%14,13614,16414,19214,22014,24814,2722.30%6.24%14,34414,4202011
201214,49214,56814,64414,7161.53%4.68%14,77214,82814,88814,94415,00415,0601.10%3.82%15,10815,1562012
201315,20415,25215,30015,3480.88%3.37%15,39215,43215,47615,52015,56415,6080.59%2.79%15,64415,6802013
201415,71615,75215,78815,8240.59%2.79%15,86015,89615,93215,97216,00816,0440.92%3.45%16,08816,1362014
201516,18016,22816,27616,3200.74%3.09%16,36016,40416,44416,48816,52816,572-0.80%0.00%16,57216,5722015
201616,57216,57216,57216,5720.77%3.15%16,61616,66016,70016,74416,78816,8320.08%1.76%16,85616,8802016
201716,90416,93216,95616,9801.38%4.38%17,04017,10417,16417,22817,28817,3520.98%3.58%17,40417,4562017
201817,50817,56017,61217,6641.24%4.10%17,72417,78417,84417,90417,96418,0281.11%3.84%18,08418,1442018
201918,20018,26018,31618,3761.16%3.94%18,43618,49618,55618,61618,67618,7400.70%3.01%18,78818,8322019
202018,88018,92818,97619,0241.01%3.64%19,08019,14019,19619,25619,31219,3720.53%2.67%19,41619,4562020
202119,50019,54419,58819,6320.84%3.29%19,68419,74019,79219,84819,90019,956

From $10,000 to $19,956 over 18.5 years = 3.77% average annual increase compounded semi-annually.

Generated  11/02/20  10:30