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Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.17 to Adopt a Wide Market Protection Mechanism Designed to Reduce the Risk of Orders Executing at Extreme or Adverse Prices When the National Best Bid and Offer (“NBBO

34-105280.pdf (227.32 KB)

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Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.17 to Adopt a Wide Market Protection Mechanism Designed to Reduce the Risk of Orders Executing at Extreme or Adverse Prices When the National Best Bid and Offer (“NBBO

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Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.17 to Adopt a Wide Market Protection Mechanism Designed to Reduce the Risk of Orders Executing at Extreme or Adverse Prices When the National Best Bid and Offer (“NBBO