★ S&P 500 Data

S&P 500: $100 in 2000 → $340.10 in 2020

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Stock market returns since 2000

If you invested $100 in the S&P 500 at the beginning of 2000, you would have about $340.10 at the beginning of 2020, assuming you reinvested all dividends. This is a return on investment of 240.10%, or 6.28% per year.

This investment result beats inflation during this period for an inflation-adjusted return of about 126.71% cumulatively, or 4.16% per year.

The graph below shows the performance of $100 over time if invested in an S&P 500 index fund. The returns assume that all dividends are automatically reinvested.

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This chart shows the rate of gains and loss by month, including dividends:

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Adjusting stock market return for inflation

The nominal return on investment of $100 is $240.10, or 240.10%. This means by 2020 you would have $340.10 in your pocket.

However, it's important to take into account the effect of inflation when considering an investment and especially a long-term investment. You can convert S&P returns to their real (inflation-adjusted) value using an inflation calculation based on the U.S. Bureau of Labor Statistics Consumer Price Index (CPI).

In the case of the returns described above, the CPI in 2000 was 172.200 and the CPI in 2020 was 258.325.

The ratio between these CPIs describes how relative buying power of a dollar has changed over 20 years.

Adjusted for inflation, the $340.10 nominal end value of the original $100 investment would have a real value of roughly $126.71 in 2000 dollars. This means the inflation-adjusted return is 126.71% as opposed to the original 240.10%.

For more information on inflation, see our U.S. inflation calculator for 2000.

Full monthly data

The table below shows the full dataset pertaining to a $100 investment, including gains and losses over the 241-month period between 2000 and 2020.

Note that data shown is the monthly average closing price.

Year Month Return (%) Amount ($)
2000 1 -2.58% 97.52
2000 2 3.84% 101.37
2000 3 1.33% 102.81
2000 4 -2.93% 99.89
2000 5 3.07% 103.05
2000 6 0.76% 103.93
2000 7 0.85% 104.90
2000 8 -1.17% 103.77
2000 9 -5.31% 98.36
2000 10 -0.87% 97.60
2000 11 -3.42% 94.36
2000 12 0.35% 94.79
2001 1 -2.24% 92.76
2001 2 -9.18% 84.34
2001 3 0.34% 84.72
2001 4 6.77% 90.55
2001 5 -2.49% 88.39
2001 6 -2.77% 86.03
2001 7 -2.15% 84.27
2001 8 -11.36% 74.80
2001 9 3.06% 77.18
2001 10 4.93% 81.08
2001 11 1.35% 82.27
2001 12 -0.41% 82.02
2002 1 -3.47% 79.27
2002 2 4.83% 83.19
2002 3 -3.63% 80.27
2002 4 -2.94% 78.00
2002 5 -6.04% 73.38
2002 6 -10.89% 65.49
2002 7 0.99% 66.24
2002 8 -4.90% 63.08
2002 9 -1.52% 62.22
2002 10 6.47% 66.34
2002 11 -1.18% 65.66
2002 12 -0.37% 65.51
2003 1 -6.56% 61.31
2003 2 1.15% 62.11
2003 3 5.13% 65.39
2003 4 5.16% 68.87
2003 5 5.56% 72.80
2003 6 0.46% 73.23
2003 7 -0.30% 73.11
2003 8 3.02% 75.42
2003 9 1.89% 76.95
2003 10 1.08% 77.88
2003 11 2.93% 80.27
2003 12 4.80% 84.23
2004 1 0.96% 85.14
2004 2 -1.70% 83.81
2004 3 0.83% 84.62
2004 4 -2.70% 82.45
2004 5 2.72% 84.81
2004 6 -2.38% 82.91
2004 7 -1.53% 81.76
2004 8 2.64% 84.03
2004 9 -0.04% 84.12
2004 10 4.63% 88.14
2004 11 2.59% 90.54
2004 12 -1.48% 89.32
2005 1 1.54% 90.82
2005 2 -0.39% 90.59
2005 3 -2.55% 88.40
2005 4 1.19% 89.59
2005 5 2.03% 91.54
2005 6 1.66% 93.19
2005 7 0.17% 93.48
2005 8 0.13% 93.74
2005 9 -2.77% 91.28
2005 10 3.81% 94.90
2005 11 2.00% 96.94
2005 12 1.32% 98.36
2006 1 -0.16% 98.34
2006 2 1.34% 99.80
2006 3 0.65% 100.60
2006 4 -0.93% 99.81
2006 5 -2.86% 97.11
2006 6 0.56% 97.81
2006 7 2.14% 100.05
2006 8 2.38% 102.58
2006 9 3.46% 106.29
2006 10 1.85% 108.42
2006 11 2.00% 110.75
2006 12 0.55% 111.51
2007 1 1.45% 113.29
2007 2 -2.62% 110.49
2007 3 4.03% 115.11
2007 4 3.25% 119.01
2007 5 0.20% 119.42
2007 6 0.43% 120.11
2007 7 -4.35% 115.06
2007 8 2.92% 118.60
2007 9 2.84% 122.15
2007 10 -4.95% 116.28
2007 11 1.08% 117.72
2007 12 -6.79% 109.91
2008 1 -1.73% 108.19
2008 2 -2.80% 105.35
2008 3 4.06% 109.82
2008 4 2.39% 112.63
2008 5 -4.42% 107.85
2008 6 -6.26% 101.29
2008 7 1.92% 103.43
2008 8 -5.03% 98.42
2008 9 -20.39% 78.54
2008 10 -8.85% 71.79
2008 11 -0.62% 71.53
2008 12 -1.37% 70.75
2009 1 -6.97% 66.01
2009 2 -5.97% 62.25
2009 3 12.02% 69.92
2009 4 6.40% 74.58
2009 5 2.63% 76.72
2009 6 1.05% 77.70
2009 7 7.90% 84.01
2009 8 3.45% 87.08
2009 9 2.21% 89.17
2009 10 1.91% 91.04
2009 11 2.05% 93.06
2009 12 1.19% 94.33
2010 1 -3.06% 91.59
2010 2 5.77% 97.04
2010 3 3.93% 101.00
2010 4 -6.04% 95.06
2010 5 -3.71% 91.69
2010 6 -0.33% 91.55
2010 7 0.69% 92.34
2010 8 3.20% 95.45
2010 9 4.41% 99.82
2010 10 2.33% 102.31
2010 11 3.56% 106.10
2010 12 3.31% 109.78
2011 1 3.00% 113.24
2011 2 -1.26% 111.98
2011 3 2.07% 114.46
2011 4 0.51% 115.22
2011 5 -3.81% 111.00
2011 6 2.94% 114.44
2011 7 -10.56% 102.54
2011 8 -0.96% 101.73
2011 9 2.84% 104.80
2011 10 1.59% 106.65
2011 11 1.38% 108.31
2011 12 4.61% 113.49
2012 1 3.99% 118.22
2012 2 2.72% 121.62
2012 3 -0.20% 121.58
2012 4 -3.26% 117.82
2012 5 -1.33% 116.46
2012 6 2.74% 119.86
2012 7 3.21% 123.93
2012 8 2.85% 127.67
2012 9 -0.39% 127.39
2012 10 -3.01% 123.78
2012 11 1.99% 126.47
2012 12 4.09% 131.87
2013 1 2.16% 134.95
2013 2 2.55% 138.62
2013 3 1.28% 140.63
2013 4 4.40% 147.07
2013 5 -1.28% 145.42
2013 6 3.08% 150.16
2013 7 0.08% 150.54
2013 8 1.02% 152.33
2013 9 1.95% 155.56
2013 10 3.69% 161.56
2013 11 1.36% 164.02
2013 12 0.81% 165.61
2014 1 -0.29% 165.39
2014 2 2.56% 169.89
2014 3 0.04% 170.24
2014 4 1.37% 172.84
2014 5 3.03% 178.37
2014 6 1.34% 181.04
2014 7 -0.59% 180.26
2014 8 1.62% 183.47
2014 9 -2.81% 178.61
2014 10 5.54% 188.80
2014 11 0.47% 190.00
2014 12 -1.27% 187.89
2015 1 2.66% 193.21
2015 2 -0.11% 193.31
2015 3 0.71% 195.01
2015 4 0.82% 196.92
2015 5 -0.60% 196.06
2015 6 -0.25% 195.91
2015 7 -2.59% 191.16
2015 8 -4.68% 182.54
2015 9 4.13% 190.42
2015 10 2.76% 196.00
2015 11 -1.28% 193.84
2015 12 -6.60% 181.40
2016 1 -0.74% 180.40
2016 2 6.17% 191.88
2016 3 2.65% 197.31
2016 4 -0.48% 196.71
2016 5 0.89% 198.81
2016 6 3.12% 205.37
2016 7 1.03% 207.83
2016 8 -0.61% 206.92
2016 9 -0.68% 205.87
2016 10 1.03% 208.34
2016 11 3.77% 216.56
2016 12 1.27% 219.68
2017 1 2.41% 225.34
2017 2 1.58% 229.28
2017 3 -0.32% 228.93
2017 4 1.53% 232.80
2017 5 1.61% 236.94
2017 6 0.83% 239.28
2017 7 0.09% 239.87
2017 8 1.49% 243.83
2017 9 2.57% 250.50
2017 10 1.43% 254.48
2017 11 2.73% 261.82
2017 12 4.71% 274.55
2018 1 -3.03% 266.63
2018 2 -0.09% 266.80
2018 3 -1.82% 262.36
2018 4 1.80% 267.51
2018 5 1.96% 273.16
2018 6 1.43% 277.48
2018 7 2.30% 284.28
2018 8 1.53% 289.05
2018 9 -4.00% 277.93
2018 10 -2.23% 272.16
2018 11 -5.73% 257.02
2018 12 1.56% 261.48
2019 1 5.66% 276.72
2019 2 1.78% 282.11
2019 3 3.56% 292.61
2019 4 -1.69% 288.13
2019 5 1.24% 292.18
2019 6 3.67% 303.36
2019 7 -3.29% 293.85
2019 8 2.92% 302.92
2019 9 -0.15% 302.95
2019 10 4.27% 316.38
2019 11 2.31% 324.19
2019 12 3.19% 335.04
2020 1 1.51% 340.10
Click to show 234 more rows

Data Sources

The information on this page is derived from Robert Shiller's book, Irrational Exuberance and the accompanying dataset, as well as the U.S. Bureau of Labor Statistics' monthly CPI logs.

Note that S&P index value for the current quarter is based on a moving average of closing prices, per Robert Shiller's methodology. The inflation data used is based on annual CPI averages.

Ian Webster

About the author

Ian Webster is an engineer and data expert based in San Mateo, California. He has worked for Google, NASA, and consulted for governments around the world on data pipelines and data analysis. Disappointed by the lack of clear resources on the impacts of inflation on economic indicators, Ian believes this website serves as a valuable public tool. Ian earned his degree in Computer Science from Dartmouth College.

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S&P 500 from 2000 to 2020
Start Value
Average monthly close 		$1,425.59
End Value
Average monthly close 		$3,327.71
Change in price +133.43%
+1.45% / yr
Change incl. dividends +240.10%
+6.28% / yr
Change, inflation-adjusted +126.71%
+4.16%
Final amount, nominal
($100 base) 		$340.10
Final amount, inflation-adjusted
($100 base) 		$226.71