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

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
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Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
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Infla
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Rate
Com
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Rate
Nov
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Dec
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1999 5,0000.86%5.05%5,0205,0425,0625,0845,1045,1260.86%5.05%5,1485,1681999
20005,1905,2125,2345,2561.76%6.88%5,2865,3165,3465,3765,4065,4361.91%7.18%5,4685,5002000
20015,5325,5665,5985,6321.52%6.39%5,6625,6925,7225,7525,7825,8121.44%6.23%5,8425,8722001
20025,9025,9325,9625,9941.19%5.72%6,0226,0506,0806,1086,1366,1660.28%3.87%6,1866,2062002
20036,2266,2466,2666,2861.23%5.80%6,3166,3466,3766,4066,4386,4681.77%6.90%6,5046,5422003
20046,5786,6166,6546,6920.54%4.40%6,7166,7406,7666,7906,8146,8401.19%5.72%6,8726,9042004
20056,9386,9707,0027,0361.33%6.00%7,0707,1067,1407,1767,2127,2481.79%6.94%7,2907,3302005
20067,3727,4147,4567,5002.85%9.09%7,5567,6127,6687,7267,7847,8400.50%4.32%7,8687,8962006
20077,9247,9527,9808,0101.55%6.45%8,0528,0968,1388,1828,2248,2681.21%5.76%8,3088,3462007
20088,3868,4268,4668,5061.53%6.41%8,5508,5968,6428,6868,7328,7782.42%8.22%8,8388,8962008
20098,9569,0169,0789,1382.46%8.30%9,2009,2629,3269,3909,4529,518-2.78%0.00%9,5189,5182009
20109,5189,5189,5189,5181.53%6.41%9,5689,6189,6709,7209,7729,8240.77%4.87%9,8649,9042010
20119,9429,98210,02210,0640.37%4.05%10,09810,13210,16610,20010,23410,2682.30%7.98%10,33610,4022011
201210,47010,54010,60810,6781.53%6.41%10,73410,79010,84810,90410,96211,0201.10%5.54%11,07011,1202012
201311,17211,22211,27411,3260.88%5.09%11,37411,42211,47011,51811,56611,6140.59%4.50%11,65811,7002013
201411,74411,78811,83211,8760.59%4.50%11,92011,96412,00812,05412,09812,1440.92%5.17%12,19612,2482014
201512,30012,35212,40612,4580.74%4.80%12,50812,55612,60612,65612,70612,756-0.80%1.67%12,77412,7922015
201612,81012,82612,84412,8620.77%4.87%12,91412,96613,01813,07013,12213,1760.08%3.46%13,21413,2522016
201713,29013,32813,36613,4041.38%6.11%13,47213,54013,60813,67613,74413,8140.98%5.29%13,87413,9342017
201813,99614,05614,11814,1801.24%5.82%14,24814,31614,38414,45414,52414,5921.11%5.56%14,65814,7262018
201914,79414,86214,93014,9981.16%5.66%15,06815,13815,20815,28015,35015,4220.70%4.72%15,48215,5422019
202015,60215,66415,72415,7861.01%5.35%15,85615,92615,99616,06616,13816,2080.53%4.38%16,26616,3262020
202116,38416,44416,50416,5620.84%5.01%16,63016,70016,76816,83816,90816,9761.77%6.90%17,07217,1702021
202217,26617,36417,46217,5623.56%10.54%17,71217,86618,01818,17418,33018,4884.81%13.08%18,68418,8822022
202319,08219,28619,49019,6983.24%9.89%19,85820,01820,18020,34220,50620,6721.69%6.74%20,78620,9022023
202421,01821,13421,25021,3681.97%7.31%21,49621,62621,75421,88622,01622,1501.48%6.31%22,26422,3802024
202522,49622,61422,73022,8480.95%5.23%22,94623,04623,14423,24423,34423,4461.43%6.21%23,56623,6862025
202623,80823,92824,05224,1741.56%6.47%24,30224,43224,56224,69224,82424,956

From $5,000 to $24,956 over 27.5 years = 5.93% average annual increase compounded semi-annually.

Generated  11/04/25  09:10