The pit still drives screen volume--20% of electronic trades in financial futures originate in the pits.

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But CME Group is not going to be the one to come up with the cash so traders can get back in the pit or on the screen.

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Locals can trade on the screen and in the pit at the same time.

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The volume is low: 24, 348 contracts traded in the pit, 442, 462 traded on the screen.

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