pit

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Pit

A specific area of the trading floor that is designed for the trading of commodities, individual futures, or option contracts.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.

Ring

A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved

pit

A location on a commodities exchange trading floor where the futures of a particular commodity are traded. Also called ring.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.
References in periodicals archive ?
In this case report, it is concluded that in children, spontaneous regression of the optic pit maculopathy with full recovery of visual acuity is possible.
(1-3,5-7) It is rarely associated with other systemic congenital diseases and choroidal or OD colobomas and is easily misdiagnosed with other excavated OD abnormalities like optic disc coloboma, morning glory syndrome, and optic pit. (1-3,5-7) The depth of staphyloma is variable and is even associated with a high level of 10mm like in our case.