$500 I Bond with 1.10% Fixed Rate Purchased October 2003

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
1
2003 500.001.77%4.66%502.00503.802003
2004505.80507.80509.60511.600.54%2.19%512.60513.40514.40515.40516.20517.201.19%3.49%518.60520.202004
2005521.60523.20524.80526.201.33%3.77%527.80529.40531.20532.80534.40536.201.79%4.70%538.20540.402005
2006542.40544.60546.60548.802.85%6.83%551.80555.00558.00561.20564.40567.600.50%2.11%568.60569.602006
2007570.60571.60572.60573.601.55%4.22%575.60577.60579.60581.60583.60585.801.21%3.53%587.60589.202007
2008591.00592.60594.40596.201.53%4.18%598.20600.40602.40604.40606.60608.602.42%5.97%611.60614.602008
2009617.60620.60623.80626.802.46%6.05%630.00633.00636.20639.40642.60645.80-2.78%0.00%645.80645.802009
2010645.80645.80645.80645.801.53%4.18%648.00650.20652.60654.80657.00659.200.77%2.65%660.60662.002010
2011663.60665.00666.40668.000.37%1.84%669.00670.00671.00672.00673.20674.202.30%5.73%677.40680.602011
2012683.80687.00690.20693.601.53%4.18%696.00698.40700.80703.20705.60708.001.10%3.31%710.00711.802012
2013713.80715.80717.80719.800.88%2.87%721.60723.20725.00726.60728.40730.200.59%2.29%731.60733.002013
2014734.40735.80737.20738.600.59%2.29%740.00741.40742.80744.20745.60747.000.92%2.95%748.80750.602014
2015752.40754.40756.20758.000.74%2.59%759.60761.20762.80764.60766.20767.80-0.80%0.00%767.80767.802015
2016767.80767.80767.80767.800.77%2.65%769.40771.20772.80774.60776.20778.000.08%1.26%778.80779.602016
2017780.40781.20782.00783.001.38%3.88%785.60788.00790.60793.00795.60798.200.98%3.07%800.20802.202017
2018804.40806.40808.40810.401.24%3.59%812.80815.20817.60820.00822.60825.001.11%3.33%827.20829.602018
2019831.80834.20836.40838.801.16%3.43%841.20843.60846.00848.40850.80853.200.70%2.51%855.00856.802019
2020858.60860.40862.20864.001.01%3.13%866.20868.40870.80873.00875.20877.600.53%2.17%879.20880.802020
2021882.40884.00885.60887.200.84%2.79%889.20891.40893.40895.40897.60899.601.77%4.66%903.00906.602021
2022910.00913.60917.00920.603.56%8.26%926.80933.20939.40945.80952.20958.604.81%10.77%967.00975.602022
2023984.00992.801,001.401,010.203.24%7.62%1,016.601,022.801,029.201,035.601,042.201,048.601.69%4.50%1,052.401,056.402023
20241,060.401,064.201,068.201,072.201.97%5.06%1,076.601,081.201,085.601,090.201,094.801,099.401.48%4.08%1,103.201,106.802024
20251,110.601,114.401,118.001,121.800.95%3.01%1,124.601,127.401,130.201,133.001,135.801,138.601.43%3.98%1,142.401,146.202025
20261,149.801,153.601,157.401,161.201.56%4.24%1,165.201,169.401,173.401,177.601,181.601,185.80

From $500.00 to $1,185.80 over 23.0 years = 3.79% average annual increase compounded semi-annually.

Generated  11/04/25  09:10