14 Apr 2025
📈Rule Change for MIAX Trading Sessions
Self-Regulatory Organizations; Miami International Securities Exchange, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Exchange Rule 1808, Trading Sessions
Summary
The SEC has published a notice regarding a proposed rule change from the Miami International Securities Exchange (MIAX) to amend Trading Rule 1808. The amendment will alter the price calculation for index options on days when the primary market fails to open, utilizing the last reported sale price from the previous trading day to establish more consistent and reliable settlement values.
Agencies
- Securities and Exchange Commission
Business Impact
$$ - Med
The proposed rule change amends the method of determining the current index value for index options when the primary market does not open, potentially affecting financial reporting and trading strategies for options traders and Members. The change provides certainty, likely reducing trading risks and improving market stability.