How is the performance of S&P 500 (SNP: ^GSPC) comparing with SPDR S&P 500 ETF Trust (NYSEArca: SPY)?

Historical values of S&P 500 (SNP: ^GSPC) and SPDR S&P 500 ETF Trust (NYSEArca: SPY) are presented below with their growth indices to help you compairing them.

Compare:
   S&P 500
   SNP: ^GSPC
   2025-12-31: 6929.93994141 USD
with:
   SPDR S&P 500 ETF
   NYSEArca: SPY
   2025-12-31: 681.92 USD

                S&P 500         SPDR S&P 500 ETF  
               ^GSPC  Growth%         SPY  Growth%
           ---------- -------   ---------- -------
2025-12-31   6,929.94  100.00       681.92  100.00
2025-12-30   6,929.94  100.00       687.01  100.75
2025-12-29   6,929.94  100.00       687.85  100.87
2025-12-26   6,929.94  100.00       690.31  101.23
2025-12-24   6,932.05  100.03       690.38  101.24
2025-12-23   6,909.79   99.71       687.96  100.89
2025-12-22   6,878.49   99.26       684.83  100.43
2025-12-19   6,834.50   98.62       680.59   99.80
2025-12-18   6,774.76   97.76       676.47   99.20
2025-12-17   6,721.43   96.99       671.40   98.46
2025-12-16   6,800.26   98.13       678.87   99.55
2025-12-15   6,816.51   98.36       680.73   99.83
2025-12-12   6,827.41   98.52       681.76   99.98
2025-12-11   6,901.00   99.58       689.17  101.06
2025-12-10   6,886.68   99.38       687.57  100.83
2025-12-09   6,840.51   98.71       683.04  100.16
2025-12-08   6,846.51   98.80       683.63  100.25
2025-12-05   6,870.40   99.14       685.69  100.55
2025-12-04   6,857.12   98.95       684.39  100.36
2025-12-03   6,849.72   98.84       683.89  100.29
2025-12-01   6,812.63   98.31       680.27   99.76
2025-10-31   6,840.20   98.71       682.06  100.02
2025-10-01   6,711.20   96.84       668.45   98.02
2025-08-31   6,460.26   93.22       645.05   94.59
2025-07-31   6,339.39   91.48       632.08   92.69
2025-07-01   6,198.01   89.44       617.65   90.58
2025-05-31   5,911.69   85.31       589.39   86.43
2025-05-01   5,604.14   80.87       558.47   81.90
2025-03-31   5,611.85   80.98       559.39   82.03
2025-03-03   5,849.72   84.41       583.77   85.61
2025-01-31   6,040.53   87.17       601.82   88.25
2024-12-31   5,881.63   84.87       586.08   85.95
2023-12-31   4,769.83   68.83       475.31   69.70
2022-12-31   3,839.50   55.40       382.43   56.08
2021-12-31   4,766.18   68.78       474.96   69.65
2020-12-31   3,756.07   54.20       373.88   54.83
2019-12-31   3,230.78   46.62       321.86   47.20
2018-12-31   2,506.85   36.17       249.92   36.65
2017-12-31   2,673.61   38.58       266.86   39.13
2016-12-31   2,238.83   32.31       223.53   32.78
2015-12-31   2,043.94   29.49       203.87   29.90
2014-12-31   2,104.50   30.37       205.54   30.14
2013-12-31   1,859.45   26.83       184.69   27.08
2012-12-31   1,514.68   21.86       142.41   20.88
2011-12-31   1,365.68   19.71       125.50   18.40
2010-12-31   1,327.22   19.15       125.75   18.44
2009-12-31   1,104.49   15.94       111.44   16.34
2008-12-31     735.09   10.61        90.24   13.23
2007-12-31   1,330.63   19.20       146.21   21.44
2006-12-31   1,406.82   20.30       141.62   20.77
2005-12-31   1,280.66   18.48       124.51   18.26
2004-12-31   1,203.60   17.37       120.87   17.72
2003-12-31   1,144.94   16.52       111.28   16.32
2002-12-31     841.15   12.14        88.23   12.94
2001-12-31   1,106.73   15.97       114.30   16.76
2000-12-31   1,239.94   17.89       131.19   19.24
1999-12-31   1,366.42   19.72       146.88   21.54
1998-12-31   1,238.33   17.87       123.31   18.08
1997-12-31   1,049.34   15.14        97.06   14.23
1996-12-31     790.82   11.41        73.84   10.83
1995-12-31     640.43    9.24        61.48    9.02
1994-12-31     487.39    7.03        45.56    6.68
1993-12-31     467.14    6.74        46.59    6.83
1992-12-31     443.38    6.40                     
1991-12-31     412.70    5.96                     
1990-12-31     367.07    5.30                     
1989-12-31     331.89    4.79                     
1988-12-31     288.86    4.17                     
1987-12-31     267.82    3.86                     
1986-12-31     284.20    4.10                     
1985-12-31     226.92    3.27                     
1984-12-31     181.18    2.61                     
1984-12-01     181.18    2.61