$10,000 I Bond with 0.30% Fixed Rate Purchased March 2010

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
posite
Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
Rate
Com
posite
Rate
Oct
1
Nov
1
Dec
1
2010 10,0001.53%3.36%10,02810,05610,08410,11210,14010,1680.77%1.84%10,18410,20010,2162010
201110,23210,24410,2600.37%1.04%10,26810,27610,28810,29610,30410,3122.30%4.91%10,35210,39610,4362011
201210,48010,52410,5641.53%3.36%10,59210,62410,65210,68010,71210,7401.10%2.50%10,76410,78410,8082012
201310,82810,85210,8760.88%2.06%10,89610,91210,93210,95210,96810,9880.59%1.48%11,00011,01611,0282013
201411,04411,05611,0680.59%1.48%11,08011,09611,10811,12411,13611,1480.92%2.14%11,16811,18811,2082014
201511,22811,24811,2680.74%1.78%11,28411,30011,32011,33611,35211,368-0.80%0.00%11,36811,36811,3682015
201611,36811,36811,3680.77%1.84%11,38411,40411,42011,43611,45611,4720.08%0.46%11,47611,48011,4842016
201711,48811,49211,5001.38%3.06%11,52811,56011,58811,61611,64811,6760.98%2.26%11,69611,72011,7402017
201811,76411,78411,8081.24%2.78%11,83611,86411,88811,91611,94411,9721.11%2.52%11,99612,02412,0482018
201912,07212,09612,1241.16%2.62%12,15212,17612,20412,22812,25612,2840.70%1.70%12,30012,32012,3362019
202012,35212,37212,3881.01%2.32%12,41212,43612,46012,48412,50812,5320.53%1.36%12,54812,56012,5762020
202112,58812,60412,6160.84%1.98%12,63612,65612,68012,70012,72012,7401.77%3.85%12,78012,82012,8642021
202212,90412,94412,9843.56%7.43%13,06413,14413,22413,30413,38413,4684.81%9.93%13,57613,68813,8002022
202313,91214,02414,1363.24%6.79%14,21614,29614,37214,45614,53614,6161.69%3.69%14,66014,70414,7522023
202414,79614,84014,8841.97%4.25%14,93614,98815,04015,09615,14815,200

From $10,000 to $15,200 over 14.5 years = 2.91% average annual increase compounded semi-annually.

Generated  11/01/23  07:38