Nasdaq GEMX Updates Rules for Smoother Options Trading
Published Date: 2/20/2025
Notice
Summary
Nasdaq GEMX just updated some of its options trading rules to make things clearer and fairer for traders. These changes affect how stop orders work, how multiple trade responses are handled, and how price protections kick in during risky market moves. The new rules took effect right away on February 6, 2025, with no extra costs for traders but better clarity and safety.
Analyzed Economic Effects
5 provisions identified: 5 benefits, 0 costs, 0 mixed.
Price Protection Applied to Stop-Limit Orders
Nasdaq GEMX described how its Order Price Protection applies to Stop-Limit Orders in Options 3, Section 15(a)(1)(A). This description took effect on February 6, 2025 and clarifies how price protections interact with Stop-Limit Orders during execution.
Market-Wide Risk Protection Parameters Changed
Nasdaq GEMX amended the parameters for its Market Wide Risk Protection in Options 3, Section 15(a)(1)(C). The amendment took effect on February 6, 2025 and changes how the Exchange applies market-wide risk protections during stressed market conditions.
Acceptable Trade Range Adjustments
Nasdaq GEMX amended the Acceptable Trade Range in Options 3, Section 15(a)(2)(A). This amendment, effective February 6, 2025, changes the price range the Exchange considers acceptable for trades during certain conditions.
Clearer Stop and Stop-Limit Definitions
If you trade options, Nasdaq GEMX changed how it defines a Stop Order and a Stop Limit Order in Options 3, Sections 7(d) and 7(e). These definition changes took effect on February 6, 2025 and are meant to make the rules about those order types clearer.
How Multiple Responses Are Handled
If you or your broker respond to Facilitation, Solicited Order, or Price Improvement Mechanism (PIM) auctions, Nasdaq GEMX amended Options 3, Sections 11(b), 11(d), and 13 to clarify how multiple responses are treated. The clarifications became effective on February 6, 2025 and explain the treatment of competing responses.
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