$10,000 I Bond with 0.70% Fixed Rate Purchased February 2009

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2009 10,0002.46%5.64%10,04810,09210,14010,18810,23610,284-2.78%0.00%10,28410,28410,28410,2842009
201010,28410,2841.53%3.77%10,31610,34810,38010,41210,44410,4760.77%2.25%10,49610,51610,53610,5562010
201110,57610,5920.37%1.44%10,60410,61610,63210,64410,65610,6682.30%5.32%10,71610,76010,80810,8562011
201210,90410,9521.53%3.77%10,98811,02011,05611,08811,12411,1601.10%2.91%11,18811,21211,24011,2682012
201311,29611,3240.88%2.47%11,34811,37211,39211,41611,44011,4640.59%1.88%11,48011,50011,51611,5362013
201411,55211,5720.59%1.88%11,59211,60811,62811,64411,66411,6800.92%2.55%11,70411,72811,75611,7802014
201511,80411,8280.74%2.19%11,84811,87211,89211,91611,93611,956-0.80%0.00%11,95611,95611,95611,9562015
201611,95611,9560.77%2.25%11,98012,00012,02412,04412,06812,0920.08%0.86%12,10012,10812,11612,1282016
201712,13612,1441.38%3.47%12,18012,21212,24812,28412,32012,3560.98%2.67%12,38412,41212,44012,4642017
201812,49212,5201.24%3.19%12,55212,58812,62012,65212,68812,7201.11%2.93%12,75212,78012,81212,8442018
201912,87612,9081.16%3.03%12,94012,97213,00413,04013,07213,1040.70%2.10%13,12813,14813,17213,1962019
202013,22013,2401.01%2.73%13,26813,30013,33213,36013,39213,4200.53%1.76%13,44013,46013,48013,5002020
202113,52013,5400.84%2.39%13,56813,59213,62013,64813,67613,7001.77%4.25%13,74813,79613,84413,8922021
202213,94413,9923.56%7.84%14,08014,17214,26414,35614,44814,5404.81%10.35%14,66414,78814,91215,0362022
202315,16415,2923.24%7.20%15,38415,47215,56415,65615,74815,8441.69%4.09%15,89615,95216,00416,0602023
202416,11216,1681.97%4.65%16,23216,29216,35616,41616,48016,5441.48%3.67%16,59616,64416,69616,7442024
202516,79616,8480.95%2.61%16,88416,92016,95616,99617,03217,0681.43%3.57%17,12017,16817,22017,2722025
202617,32017,3721.56%3.83%17,42817,48417,53617,59217,64817,704

From $10,000 to $17,704 over 17.5 years = 3.29% average annual increase compounded semi-annually.

Generated  11/04/25  09:10