| Trade Date: May 08, 2008 |
| | OCC Total Contracts: | 11,628,048 |
| | Options Total: | 11,612,327 |
| | Futures Total: | 15,721 |
| | May MTD Average: | 13,326,208 |
| | 2008 YTD Average: | 14,013,186 |
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