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Notice of Filing of Proposed Rule Change to Amend Equity 4, Rules 3301A and 3301B to Establish New "Contra Midpoint Only" and "Contra Midpoint Only with Post-Only" Order Types and to Make Other Corresponding Changes to the Rulebook
National Securities Exchanges, Nasdaq PHLX LLC (Phlx)
Notice of Filing of Proposed Rule Change to Amend Equity 4, Rules 3301A and 3301B to Establish New "Contra Midpoint Only" and "Contra Midpoint Only with Post-Only" Order Types and to Make Other Corresponding Changes to the Rulebook
Notice of Filing of Partial Amendment No. 1 and Order Instituting Proceedings to Determine Whether to Approve or Disapprove a Proposed Rule Change, as Modified by Partial Amendment No. 1, to Amend Equity 4, Rules 3301A and 3301B to Establish New "Contra M
Notice of Filing of Proposed Rule Change to Amend Equity 4, Rules 3301A and 3301B to Establish New "Contra Midpoint Only" and "Contra Midpoint Only with Post-Only" Order Types and to Make Other Corresponding Changes to the Rulebook
Public Comments