$10,000 I Bond with 1.20% Fixed Rate Purchased October 2005

 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
2005 10,0001.79%4.80%10,04010,0802005
200610,12010,16010,20010,2402.85%6.93%10,30010,35610,41610,47610,53610,5960.50%2.21%10,61610,6362006
200710,65610,67210,69210,7121.55%4.32%10,75210,78810,82810,86410,90410,9441.21%3.63%10,97611,0082007
200811,04411,07611,10811,1441.53%4.28%11,18411,22411,26411,30411,34411,3842.42%6.07%11,44011,5002008
200911,55611,61211,67211,7282.46%6.15%11,78811,84811,90811,96812,02812,088-2.78%0.00%12,08812,0882009
201012,08812,08812,08812,0881.53%4.28%12,13212,17212,21612,26012,30412,3480.77%2.75%12,37612,4042010
201112,43212,46012,48812,5160.37%1.94%12,53612,55612,57612,59612,61612,6362.30%5.83%12,69612,7562011
201212,82012,88012,94413,0041.53%4.28%13,04813,09613,14413,18813,23613,2841.10%3.41%13,32013,3602012
201313,39613,43613,47213,5120.88%2.97%13,54413,58013,61213,64413,68013,7120.59%2.39%13,74013,7682013
201413,79213,82013,84813,8760.59%2.39%13,90413,93213,96013,98814,01614,0400.92%3.05%14,07614,1122014
201514,14814,18414,22014,2560.74%2.69%14,28814,32014,35214,38414,41614,448-0.80%0.00%14,44814,4482015
201614,44814,44814,44814,4480.77%2.75%14,48014,51214,54814,58014,61214,6480.08%1.36%14,66414,6802016
201714,69614,71614,73214,7481.38%3.98%14,79614,84414,89614,94414,99215,0400.98%3.17%15,08015,1202017
201815,16015,20015,24015,2801.24%3.69%15,32815,37215,42015,46815,51615,5601.11%3.43%15,60415,6482018
201915,69215,73615,78415,8281.16%3.53%15,87615,92015,96816,01216,06016,1080.70%2.61%16,14416,1762019
202016,21216,24816,28416,3201.01%3.23%16,36416,40816,45216,49616,54016,5840.53%2.27%16,61616,6482020
202116,67616,70816,74016,7720.84%2.89%16,81216,85216,89216,93216,97217,0161.77%4.76%17,08417,1482021
202217,21617,28417,35217,4203.56%8.36%17,54017,66017,78017,90418,02418,1484.81%10.88%18,30818,4722022
202318,63618,80018,96819,1363.24%7.72%19,25619,38019,50019,62419,74819,8761.69%4.60%19,95220,0282023
202420,10420,18020,25620,3321.97%5.16%20,42020,50420,59220,68020,76820,856

From $10,000 to $20,856 over 19.0 years = 3.91% average annual increase compounded semi-annually.

Generated  11/01/23  07:37