$500 I Bond with 0.10% Fixed Rate Purchased September 2009

 Jan
1
Feb
1
Mar
1
Infla
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Rate
Com
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Rate
Apr
1
May
1
Jun
1
Jul
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Aug
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Sep
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Com
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Rate
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Nov
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Dec
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2009 500.00-2.78%0.00%500.00500.00500.002009
2010500.00500.00500.001.53%3.16%501.40502.60504.00505.20506.60508.000.77%1.64%508.60509.40510.002010
2011510.80511.40512.200.37%0.84%512.60513.00513.20513.60514.00514.402.30%4.70%516.40518.40520.402011
2012522.40524.40526.401.53%3.16%527.80529.20530.60532.00533.40534.801.10%2.30%535.80536.80537.802012
2013538.80540.00541.000.88%1.86%541.80542.60543.60544.40545.20546.000.59%1.28%546.60547.20547.802013
2014548.40549.00549.400.59%1.28%550.00550.60551.20551.80552.40553.000.92%1.94%553.80554.80555.602014
2015556.60557.40558.400.74%1.58%559.20559.80560.60561.40562.00562.80-0.80%0.00%562.80562.80562.802015
2016562.80562.80562.800.77%1.64%563.60564.40565.20565.80566.60567.400.08%0.26%567.60567.60567.802016
2017567.80568.00568.201.38%2.86%569.60570.80572.20573.60575.00576.400.98%2.06%577.40578.40579.402017
2018580.40581.40582.401.24%2.58%583.60584.80586.20587.40588.60590.001.11%2.32%591.20592.20593.402018
2019594.60595.60596.801.16%2.42%598.00599.20600.40601.60602.80604.000.70%1.50%604.80605.60606.202019
2020607.00607.80608.601.01%2.12%609.60610.80611.80612.80614.00615.000.53%1.16%615.60616.20616.802020
2021617.40618.00618.600.84%1.78%619.60620.40621.40622.20623.20624.201.77%3.64%626.00628.00629.802021
2022631.80633.60635.603.56%7.22%639.40643.20647.00650.80654.60658.604.81%9.72%663.80669.20674.402022
2023679.80685.20690.603.24%6.58%694.40698.00701.80705.60709.40713.401.69%3.48%715.40717.60719.602023
2024721.60723.80725.801.97%4.04%728.20730.60733.00735.60738.00740.401.48%3.06%742.20744.20746.002024
2025748.00749.80751.800.95%2.00%753.00754.20755.60756.80758.00759.401.43%2.96%761.20763.20765.002025
2026766.80768.80770.601.56%3.22%772.60774.80776.80778.80781.00783.00

From $500.00 to $783.00 over 17.0 years = 2.66% average annual increase compounded semi-annually.

Generated  11/04/25  09:10