| DATE | the S&P 500 | O’Reilly Automotive | 
|---|---|---|
| December 2019    | $3,230.78    | $29.22    | 
| November 2019    | $3,140.98    | $29.49    | 
| October 2019    | $3,037.56    | $29.03    | 
| September 2019    | $2,976.74    | $26.57    | 
| August 2019    | $2,926.46    | $25.58    | 
| July 2019    | $2,980.38    | $25.38    | 
| June 2019    | $2,941.76    | $24.62    | 
| May 2019    | $2,752.06    | $24.76    | 
| April 2019    | $2,945.83    | $25.24    | 
| March 2019    | $2,834.40    | $25.89    | 
| February 2019    | $2,784.49    | $24.80    | 
| January 2019    | $2,704.10    | $22.98    | 
| December 2018    | $2,506.85    | $22.96    | 
| November 2018    | $2,760.17    | $23.12    | 
| October 2018    | $2,711.74    | $21.38    | 
| September 2018    | $2,913.98    | $23.15    | 
| August 2018    | $2,901.52    | $22.36    | 
| July 2018    | $2,816.29    | $20.40    | 
| June 2018    | $2,718.37    | $18.24    | 
| May 2018    | $2,705.27    | $17.96    | 
| April 2018    | $2,648.05    | $17.07    | 
| March 2018    | $2,640.87    | $16.49    | 
| February 2018    | $2,713.83    | $16.28    | 
| January 2018    | $2,823.81    | $17.65    | 
| December 2017    | $2,673.61    | $16.04    |