$200 I Bond with 3.30% Fixed Rate Purchased August 1999

 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
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Dec
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1999 200.000.86%5.05%200.80201.68202.48203.361999
2000204.16205.041.76%6.88%206.16207.36208.56209.68210.88212.081.91%7.18%213.36214.56215.84217.122000
2001218.40219.681.52%6.39%220.80222.00223.20224.32225.52226.721.44%6.23%227.92229.04230.24231.442001
2002232.56233.761.19%5.72%234.88236.00237.04238.16239.28240.480.28%3.87%241.28242.00242.80243.602002
2003244.32245.121.23%5.80%246.32247.44248.64249.84251.04252.241.77%6.90%253.68255.12256.56258.002003
2004259.44260.960.54%4.40%261.92262.88263.84264.80265.76266.721.19%5.72%268.00269.20270.48271.762004
2005273.04274.321.33%6.00%275.68277.04278.40279.76281.20282.561.79%6.94%284.16285.76287.44289.042005
2006290.72292.402.85%9.09%294.56296.80298.96301.20303.44305.680.50%4.32%306.80307.84308.96310.082006
2007311.20312.321.55%6.45%314.00315.68317.28318.96320.72322.401.21%5.76%323.92325.44327.04328.562007
2008330.08331.681.53%6.41%333.44335.20336.96338.72340.48342.322.42%8.22%344.64346.96349.28351.602008
2009354.00356.402.46%8.30%358.80361.28363.76366.16368.72371.20-2.78%0.00%371.20371.20371.20371.202009
2010371.20371.201.53%6.41%373.12375.12377.12379.12381.12383.120.77%4.87%384.64386.24387.76389.282010
2011390.88392.480.37%4.05%393.76395.12396.40397.76399.12400.402.30%7.98%403.04405.68408.32410.962011
2012413.68416.401.53%6.41%418.56420.80423.04425.28427.52429.761.10%5.54%431.76433.68435.68437.682012
2013439.68441.680.88%5.09%443.52445.36447.28449.12451.04452.960.59%4.50%454.64456.32458.00459.762013
2014461.44463.120.59%4.50%464.88466.56468.32470.08471.76473.520.92%5.17%475.52477.60479.60481.682014
2015483.68485.760.74%4.80%487.68489.60491.52493.52495.44497.44-0.80%1.67%498.16498.80499.52500.242015
2016500.88501.600.77%4.87%503.60505.60507.68509.68511.76513.840.08%3.46%515.28516.80518.24519.762016
2017521.20522.721.38%6.11%525.36528.00530.64533.28536.00538.720.98%5.29%541.04543.44545.76548.162017
2018550.56552.961.24%5.82%555.60558.24560.96563.60566.32569.041.11%5.56%571.68574.24576.88579.522018
2019582.16584.881.16%5.66%587.60590.32593.12595.84598.64601.440.70%4.72%603.76606.16608.48610.882019
2020613.28615.601.01%5.35%618.32621.04623.76626.56629.28632.080.53%4.38%634.40636.64638.96641.282020
2021643.60645.920.84%5.01%648.56651.28654.00656.64659.36662.081.77%6.90%665.84669.60673.44677.202021
2022681.04684.963.56%10.54%690.88696.80702.80708.80714.88721.044.81%13.08%728.72736.40744.24752.162022
2023760.16768.163.24%9.89%774.40780.64786.96793.28799.68806.161.69%6.74%810.64815.12819.60824.162023
2024828.72833.361.97%7.31%838.40843.36848.48853.52858.64863.841.48%6.31%868.32872.80877.36881.922024
2025886.48891.120.95%5.23%894.96898.80902.72906.56910.48914.401.43%6.21%919.04923.76928.48933.202025
2026938.00942.801.56%6.47%947.84952.88957.92963.04968.16973.281.67%6.70%978.64984.00989.44994.882026
20271,000.401,005.92

From $200.00 to $1,005.92 over 27.5 years = 5.96% average annual increase compounded semi-annually.

Generated  05/01/26  08:02