$500 I Bond with 1.00% Fixed Rate Purchased April 2005

 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
2005 500.001.33%3.67%501.60503.00504.60506.00507.60509.201.79%4.60%511.20513.002005
2006515.00517.00519.00521.002.85%6.73%523.80526.80529.60532.60535.60538.600.50%2.01%539.40540.402006
2007541.20542.20543.20544.001.55%4.12%545.80547.80549.60551.40553.40555.201.21%3.43%556.80558.402007
2008560.00561.60563.20564.801.53%4.08%566.80568.60570.60572.40574.40576.402.42%5.86%579.20582.002008
2009584.80587.60590.40593.202.46%5.94%596.20599.00602.00604.80607.80610.80-2.78%0.00%610.80610.802009
2010610.80610.80610.80610.801.53%4.08%612.80615.00617.00619.00621.20623.200.77%2.55%624.60625.802010
2011627.20628.40629.80631.200.37%1.74%632.20633.00634.00634.80635.80636.602.30%5.62%639.60642.602011
2012645.40648.40651.40654.401.53%4.08%656.60658.80661.00663.20665.60667.801.10%3.21%669.60671.402012
2013673.20675.00676.80678.600.88%2.77%680.20681.80683.20684.80686.40688.000.59%2.19%689.20690.602013
2014691.80693.00694.20695.600.59%2.19%696.80698.20699.40700.60702.00703.200.92%2.85%704.80706.602014
2015708.20709.80711.60713.200.74%2.49%714.60716.20717.60719.20720.60722.00-0.80%0.00%722.00722.002015
2016722.00722.00722.00722.000.77%2.55%723.60725.00726.60728.20729.60731.200.08%1.16%732.00732.602016
2017733.40734.00734.80735.401.38%3.77%737.60740.00742.20744.60747.00749.200.98%2.97%751.00752.802017
2018754.80756.60758.40760.401.24%3.49%762.60764.80767.00769.20771.40773.601.11%3.23%775.60777.802018
2019779.80782.00784.00786.001.16%3.33%788.20790.40792.60794.80796.80799.000.70%2.41%800.60802.202019
2020803.80805.40807.00808.601.01%3.03%810.60812.60814.80816.80818.80820.800.53%2.07%822.20823.602020
2021825.00826.40827.80829.200.84%2.69%831.00833.00834.80836.60838.40840.401.77%4.56%843.60846.802021
2022850.00853.20856.40859.603.56%8.16%865.40871.20877.00882.80888.80894.604.81%10.67%902.40910.202022
2023918.20926.20934.20942.403.24%7.51%948.20954.00960.00965.80971.80977.801.69%4.40%981.40985.002023
2024988.40992.00995.60999.401.97%4.96%1,003.401,007.601,011.801,015.801,020.001,024.201.48%3.97%1,027.601,031.002024
20251,034.401,037.801,041.201,044.600.95%2.91%1,047.201,049.601,052.201,054.801,057.201,059.801.43%3.87%1,063.201,066.602025
20261,070.001,073.401,076.801,080.401.56%4.14%1,084.001,087.801,091.601,095.201,099.001,102.80

From $500.00 to $1,102.80 over 21.5 years = 3.71% average annual increase compounded semi-annually.

Generated  11/04/25  09:10