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OneChicago, LLC today reported that 302,844 security futures contracts traded at the Exchange in June 2009. YTD volume stands at 1,007,657.
Open interest stood at 213,707 contracts in June 2009.
The top five contracts by volume in June were:
| Citigroup, Inc. | C1C | 31,246 |
| Pfizer | PFE1C | 30,088 |
| Abbott Laboratories | ABT1C | 14,043 |
| Verizon Communications, Inc | VZ1C | 11,181 |
| Johnson and Johnson | JNJ1C | 10,248 |
