Stored data may define a multilaterally-traded contract type and specify final settlement of contracts conforming to the contract type by delivery of a defined quantity of a commodity. Additional data may be received, which additional data may indicate potential invocation of an alternate cash settlement mode for a plurality of contracts. Each contract of the plurality may be a contract conforming to the contract type. Further data may be received, with the further data indicating the alternate cash settlement mode is invoked for a group of contracts. The group may be all of the contracts of the plurality or a sub-portion of the plurality. Data may be transmitted to indicate cash final settlement of each contract of the group by payment of a cash settlement value instead of by delivery of the defined quantity of the commodity.
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