Modifications Under Consideration

On this page you can view all active modifications, including modifications previously voted on by the Exchange Committee.

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Mod ID	Title	Mod Status	Stage	Section Affected	Effective Date
SPX_04_24	Housekeeping Modification Proposal related to 30 min MTU SPX_04_24Housekeepingmodificationproposalrelatedto30minMTU.pdf 14Nov2024ExchangeCommittee-SupportingSlides.pdf	Recommended for Approval	Active	Operating Procedure Appendix A,Operating Procedure Section A,Operating Procedure Section B,Operating Procedure Section C
SPX_03_24	Multiple Auction Trading System (MATS) Implementation SPX_03_24MultipleAuctionTradingSystem(MATS)Implementation(2).pdf SEMOpxOperatingProcedure(MATS)-LegalDrafting.docx SEMOpx-Rules-Glossary(MATS)-LegalDrafting.docx SEMOpx-Operating-Procedures-Glossary(MATS)-LegalDrafting.docx 14Nov2024ExchangeCommittee-SupportingSlides.pdf	Recommended for Approval	Active	Operating Procedure Appendix A,Operating Procedure Glossary,Operating Procedure Section A,Operating Procedure Section B,Operating Procedure Section C,Rules Glossary
SPX_02_24	SDAC Removal of Second Auction Process SPX_02_24SDACRemovalofSecondAuctionProcessv1.1.pdf 2024MayExchangeCommittee-SupportingSlides.pdf SPX_02_24-SubmissionReport.pdf	Recommended for Approval	Active	Operating Procedure Appendix A,Operating Procedure Section B,Operating Procedure Section E,Rules Section F
SPX_01_24	30 Minute MTU Implementation in the Day-Ahead Market SPX_01_2430MinuteMTUImplementationintheDay-AheadMarket.pdf 2024MayExchangeCommittee-SupportingSlides.pdf SPX_01_24-SubmissionReport.pdf SPX_01_24DecisionLetter.pdf	SEMOpx Decision: Approved	Active	Operating Procedure Appendix A