Call trading was brisk on Pall Corp. (NYSE: PLL) on Thursday, as more than 15,300 call contracts crossed the tape in the front three months of options. This volume was more than 15 times the equity's average daily call trading volume of 963 contracts.

The most active contract was the November 35 call, which added more than 7,500 new positions to lift its open interest up to 8,392 contracts, making it the site of peak front-month call open interest.

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