How is the performance of S&P 500 (SNP: ^GSPC) comparing with Russell 1000 (Chicago Options: ^RUI)?

Historical values of S&P 500 (SNP: ^GSPC) and Russell 1000 (Chicago Options: ^RUI) 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:
   Russell 1000
   Chicago Options: ^RUI
   2025-12-31: 3732.87011719 USD

                S&P 500           Russell 1000    
               ^GSPC  Growth%        ^RUI  Growth%
           ---------- -------   ---------- -------
2025-12-31   6,929.94  100.00     3,732.87  100.00
2025-12-30   6,929.94  100.00     3,761.54  100.77
2025-12-29   6,929.94  100.00     3,766.95  100.91
2025-12-26   6,929.94  100.00     3,780.85  101.29
2025-12-24   6,932.05  100.03     3,781.96  101.32
2025-12-23   6,909.79   99.71     3,770.17  101.00
2025-12-22   6,878.49   99.26     3,755.84  100.62
2025-12-19   6,834.50   98.62     3,730.50   99.94
2025-12-18   6,774.76   97.76     3,697.84   99.06
2025-12-17   6,721.43   96.99     3,669.39   98.30
2025-12-16   6,800.26   98.13     3,710.88   99.41
2025-12-15   6,816.51   98.36     3,720.09   99.66
2025-12-12   6,827.41   98.52     3,727.91   99.87
2025-12-11   6,901.00   99.58     3,768.70  100.96
2025-12-10   6,886.68   99.38     3,759.35  100.71
2025-12-09   6,840.51   98.71     3,731.90   99.97
2025-12-08   6,846.51   98.80     3,735.60  100.07
2025-12-05   6,870.40   99.14     3,748.87  100.43
2025-12-04   6,857.12   98.95     3,742.32  100.25
2025-12-03   6,849.72   98.84     3,738.09  100.14
2025-12-01   6,812.63   98.31     3,716.83   99.57
2025-10-31   6,840.20   98.71     3,732.15   99.98
2025-10-01   6,711.20   96.84     3,667.67   98.25
2025-08-31   6,460.26   93.22     3,537.39   94.76
2025-07-31   6,339.39   91.48     3,468.53   92.92
2025-07-01   6,198.01   89.44     3,391.83   90.86
2025-05-31   5,911.69   85.31     3,235.83   86.68
2025-05-01   5,604.14   80.87     3,064.26   82.09
2025-03-31   5,611.85   80.98     3,066.42   82.15
2025-03-03   5,849.72   84.41     3,200.45   85.74
2025-01-31   6,040.53   87.17     3,320.99   88.97
2024-12-31   5,881.63   84.87     3,221.05   86.29
2023-12-31   4,769.83   68.83     2,622.14   70.24
2022-12-31   3,839.50   55.40     2,105.90   56.42
2021-12-31   4,766.18   68.78     2,645.91   70.88
2020-12-31   3,756.07   54.20     2,120.87   56.82
2019-12-31   3,230.78   46.62     1,784.21   47.80
2018-12-31   2,506.85   36.17     1,384.26   37.08
2017-12-31   2,673.61   38.58     1,481.81   39.70
2016-12-31   2,238.83   32.31     1,241.66   33.26
2015-12-31   2,043.94   29.49     1,131.88   30.32
2014-12-31   2,104.50   30.37     1,144.37   30.66
2013-12-31   1,859.45   26.83     1,030.36   27.60
2012-12-31   1,514.68   21.86       789.90   21.16
2011-12-31   1,365.68   19.71       693.36   18.57
2010-12-31   1,327.22   19.15       696.90   18.67
2009-12-31   1,104.49   15.94       612.01   16.40
2008-12-31     735.09   10.61       487.77   13.07
2007-12-31   1,330.63   19.20       799.82   21.43
2006-12-31   1,406.82   20.30       770.08   20.63
2005-12-31   1,280.66   18.48       679.42   18.20
2004-12-31   1,203.60   17.37       650.99   17.44
2003-12-31   1,144.94   16.52       594.56   15.93
2002-12-31     841.15   12.14       466.18   12.49
2001-12-31   1,106.73   15.97       604.94   16.21
2000-12-31   1,239.94   17.89       700.09   18.75
1999-12-31   1,366.42   19.72       767.97   20.57
1998-12-31   1,238.33   17.87       642.87   17.22
1997-12-31   1,049.34   15.14       513.79   13.76
1996-12-31     790.82   11.41       393.75   10.55
1995-12-31     640.43    9.24       328.89    8.81
1994-12-31     487.39    7.03       244.64    6.55
1993-12-31     467.14    6.74       250.71    6.72
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