$500 I Bond with 0.30% Fixed Rate Purchased December 2009

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2009 500.002009
20101.53%3.36%501.40502.80504.20505.60507.00508.400.77%1.84%509.20510.00510.80511.60512.20513.002010
20110.37%1.04%513.40513.80514.40514.80515.20515.602.30%4.91%517.60519.80521.80524.00526.20528.202011
20121.53%3.36%529.60531.20532.60534.00535.60537.001.10%2.50%538.20539.20540.40541.40542.60543.802012
20130.88%2.06%544.80545.60546.60547.60548.40549.400.59%1.48%550.00550.80551.40552.20552.80553.402013
20140.59%1.48%554.00554.80555.40556.20556.80557.400.92%2.14%558.40559.40560.40561.40562.40563.402014
20150.74%1.78%564.20565.00566.00566.80567.60568.40-0.80%0.00%568.40568.40568.40568.40568.40568.402015
20160.77%1.84%569.20570.20571.00571.80572.80573.600.08%0.46%573.80574.00574.20574.40574.60575.002016
20171.38%3.06%576.40578.00579.40580.80582.40583.800.98%2.26%584.80586.00587.00588.20589.20590.402017
20181.24%2.78%591.80593.20594.40595.80597.20598.601.11%2.52%599.80601.20602.40603.60604.80606.202018
20191.16%2.62%607.60608.80610.20611.40612.80614.200.70%1.70%615.00616.00616.80617.60618.60619.402019
20201.01%2.32%620.60621.80623.00624.20625.40626.600.53%1.36%627.40628.00628.80629.40630.20630.802020
20210.84%1.98%631.80632.80634.00635.00636.00637.001.77%3.85%639.00641.00643.20645.20647.20649.202021
20223.56%7.43%653.20657.20661.20665.20669.20673.404.81%9.93%678.80684.40690.00695.60701.20706.802022
20233.24%6.79%710.80714.80718.60722.80726.80730.801.69%3.69%733.00735.20737.60739.80742.00744.202023
20241.97%4.25%746.80749.40752.00754.80757.40760.001.48%3.26%762.00764.20766.20768.20770.40772.402024
20250.95%2.20%773.80775.20776.60778.00779.40780.801.43%3.16%782.80784.80787.00789.00791.00793.202025
20261.56%3.42%795.40797.60800.00802.20804.40806.80

From $500.00 to $806.80 over 16.5 years = 2.92% average annual increase compounded semi-annually.

Generated  11/04/25  09:11