$5,000 I Bond with 3.30% Fixed Rate Purchased July 1999

 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
1999 5,0000.86%5.05%5,0205,0425,0625,0845,1041999
20005,1261.76%6.88%5,1545,1845,2145,2425,2725,3021.91%7.18%5,3345,3645,3965,4285,4602000
20015,4921.52%6.39%5,5205,5505,5805,6085,6385,6681.44%6.23%5,6985,7265,7565,7865,8142001
20025,8441.19%5.72%5,8725,9005,9265,9545,9826,0120.28%3.87%6,0326,0506,0706,0906,1082002
20036,1281.23%5.80%6,1586,1866,2166,2466,2766,3061.77%6.90%6,3426,3786,4146,4506,4862003
20046,5240.54%4.40%6,5486,5726,5966,6206,6446,6681.19%5.72%6,7006,7306,7626,7946,8262004
20056,8581.33%6.00%6,8926,9266,9606,9947,0307,0641.79%6.94%7,1047,1447,1867,2267,2682005
20067,3102.85%9.09%7,3647,4207,4747,5307,5867,6420.50%4.32%7,6707,6967,7247,7527,7802006
20077,8081.55%6.45%7,8507,8927,9327,9748,0188,0601.21%5.76%8,0988,1368,1768,2148,2522007
20088,2921.53%6.41%8,3368,3808,4248,4688,5128,5582.42%8.22%8,6168,6748,7328,7908,8502008
20098,9102.46%8.30%8,9709,0329,0949,1549,2189,280-2.78%0.00%9,2809,2809,2809,2809,2802009
20109,2801.53%6.41%9,3289,3789,4289,4789,5289,5780.77%4.87%9,6169,6569,6949,7329,7722010
20119,8120.37%4.05%9,8449,8789,9109,9449,97810,0102.30%7.98%10,07610,14210,20810,27410,3422011
201210,4101.53%6.41%10,46410,52010,57610,63210,68810,7441.10%5.54%10,79410,84210,89210,94210,9922012
201311,0420.88%5.09%11,08811,13411,18211,22811,27611,3240.59%4.50%11,36611,40811,45011,49411,5362013
201411,5780.59%4.50%11,62211,66411,70811,75211,79411,8380.92%5.17%11,88811,94011,99012,04212,0922014
201512,1440.74%4.80%12,19212,24012,28812,33812,38612,436-0.80%1.67%12,45412,47012,48812,50612,5222015
201612,5400.77%4.87%12,59012,64012,69212,74212,79412,8460.08%3.46%12,88212,92012,95612,99413,0302016
201713,0681.38%6.11%13,13413,20013,26613,33213,40013,4680.98%5.29%13,52613,58613,64413,70413,7642017
201813,8241.24%5.82%13,89013,95614,02414,09014,15814,2261.11%5.56%14,29214,35614,42214,48814,5542018
201914,6221.16%5.66%14,69014,75814,82814,89614,96615,0360.70%4.72%15,09415,15415,21215,27215,3322019
202015,3901.01%5.35%15,45815,52615,59415,66415,73215,8020.53%4.38%15,86015,91615,97416,03216,0902020
202116,1480.84%5.01%16,21416,28216,35016,41616,48416,5521.77%6.90%16,64616,74016,83616,93017,0262021
202217,1243.56%10.54%17,27217,42017,57017,72017,87218,0264.81%13.08%18,21818,41018,60618,80419,0042022
202319,2043.24%9.89%19,36019,51619,67419,83219,99220,1541.69%6.74%20,26620,37820,49020,60420,7182023
202420,8341.97%7.31%20,96021,08421,21221,33821,46621,5961.48%6.31%21,70821,82021,93422,04822,1622024
202522,2780.95%5.23%22,37422,47022,56822,66422,76222,8601.43%6.21%22,97623,09423,21223,33023,4502025
202623,5701.56%6.47%23,69623,82223,94824,07624,20424,3321.67%6.70%24,46624,60024,73624,87225,0102026
202725,148

From $5,000 to $25,148 over 27.5 years = 5.96% average annual increase compounded semi-annually.

Generated  05/01/26  08:02