Week of May 13, 2013
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| May 13, 2013 | 39.38 | 39.91 | 39.27 | 39.65 | 461,845 |
| May 14, 2013 | 39.59 | 39.99 | 39.55 | 39.99 | 441,879 |
| May 15, 2013 | 39.97 | 40.25 | 39.83 | 40.03 | 618,476 |
| May 16, 2013 | 40.04 | 40.52 | 39.85 | 40.27 | 392,829 |
| May 17, 2013 | 40.33 | 40.88 | 40.18 | 40.75 | 530,037 |
Year End Stock Prices
The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and CBOE Holdings does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.







