$500 I Bond with 1.40% Fixed Rate Purchased February 2007

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2007 500.001.55%4.52%501.80503.80505.60507.60509.40511.401.21%3.84%513.00514.60516.20518.002007
2008519.60521.201.53%4.48%523.20525.00527.00529.00531.00532.802.42%6.27%535.60538.40541.00543.802008
2009546.60549.602.46%6.35%552.40555.40558.20561.20564.20567.00-2.78%0.00%567.00567.00567.00567.002009
2010567.00567.001.53%4.48%569.00571.20573.40575.40577.60579.800.77%2.95%581.20582.60584.00585.402010
2011587.00588.400.37%2.15%589.40590.60591.60592.60593.60594.802.30%6.03%597.80600.80603.80606.602011
2012609.80612.801.53%4.48%615.00617.40619.60622.00624.20626.601.10%3.62%628.40630.40632.20634.202012
2013636.00638.000.88%3.17%639.60641.40643.00644.80646.40648.200.59%2.59%649.60651.00652.40653.802013
2014655.20656.600.59%2.59%658.00659.40660.80662.20663.60665.200.92%3.25%667.00668.80670.60672.402014
2015674.20676.000.74%2.89%677.60679.20680.80682.40684.20685.80-0.80%0.00%685.80685.80685.80685.802015
2016685.80685.800.77%2.95%687.40689.20690.80692.60694.20696.000.08%1.56%697.00697.80698.80699.602016
2017700.60701.401.38%4.18%703.80706.20708.60711.20713.60716.000.98%3.37%718.00720.00722.00724.002017
2018726.00728.001.24%3.90%730.40732.80735.00737.40739.80742.201.11%3.64%744.40746.60749.00751.202018
2019753.40755.801.16%3.74%758.20760.40762.80765.20767.60770.000.70%2.81%771.80773.60775.40777.202019
2020779.00780.801.01%3.43%783.00785.20787.40789.80792.00794.200.53%2.47%795.80797.40799.00800.802020
2021802.40804.000.84%3.09%806.00808.20810.20812.20814.40816.401.77%4.96%819.80823.00826.40829.802021
2022833.20836.603.56%8.57%842.40848.40854.40860.40866.40872.404.81%11.09%880.20888.20896.20904.402022
2023912.60920.803.24%7.93%926.80932.80938.80945.00951.20957.401.69%4.80%961.20965.00968.80972.602023
2024976.60980.401.97%5.37%984.80989.00993.40997.801,002.201,006.801.48%4.38%1,010.401,014.001,017.801,021.402024
20251,025.201,028.800.95%3.31%1,031.601,034.401,037.201,040.201,043.001,045.801.43%4.28%1,049.401,053.201,057.001,060.602025
20261,064.401,068.201.56%4.54%1,072.201,076.201,080.201,084.401,088.401,092.401.67%4.76%1,096.601,101.001,105.401,109.602026
20271,114.001,118.40

From $500.00 to $1,118.40 over 20.0 years = 4.07% average annual increase compounded semi-annually.

Generated  05/01/26  08:02