NYSE Clarifies Halt Rules for Corporate Events
Published Date: 7/13/2026
Notice
Summary
NYSE Arca is updating its rules to make it clearer when and how trading stops for companies going through big changes, like mergers or stock splits. This helps keep trading smooth and fair, especially as NYSE Arca plans to trade nearly all day, five days a week. These changes affect companies listed on NYSE Arca and aim to prevent confusion or unfair trading during important corporate events.
Analyzed Economic Effects
5 provisions identified: 5 benefits, 0 costs, 0 mixed.
Mandatory halts for nine corporate actions
If a company listed on NYSE Arca is subject to certain corporate actions, the Exchange will be required to halt trading in that security. The rule lists nine specific actions that trigger a mandatory halt: (1) trading symbol changes; (2) CUSIP changes; (3) stock dividends worth at least 25% of the Official Closing Price; (4) forward or reverse stock splits; (5) De-SPAC transactions; (6) spin-offs; (7) security-type changes; (8) mergers or mandatory exchanges; and (9) other issuer events the Exchange finds comparable.
When halts start and trading resumes
Under the new rule, for covered corporate actions the Exchange will halt trading after the end of the Late Trading Session and before the Overnight Trading Session begins at 9:00 p.m. ET on the day before the market-effective date. Trading in the halted security will resume with a Trading Halt Auction at 8:00 a.m. ET on the market-effective date.
Residual authority to halt other issuer events
The Exchange may also declare a mandatory regulatory halt for any other corporate action or issuer-related event not listed if senior trading and regulatory officials determine, based on the totality of circumstances and available information (including issuer information), that a halt is necessary to maintain fair and orderly markets or protect investors.
Reverse split reopen and implementation time changes
The Exchange will align reverse stock split halts with the new corporate-action framework by shifting the implementation timing to after the Late Trading Session and before the Overnight Session at 9:00 p.m. ET, and by changing the re-open time after such halts from 9:00 a.m. ET to 8:00 a.m. ET on the market-effective date.
Operative with 23/5 Trading and marketwide harmonization
These Rule 7.18-E changes are intended to take effect at the start of NYSE Arca's 23/5 Trading (23 hours per day, 5 days per week) and the Exchange expects other Primary Listing Exchanges to implement substantially identical rules to ensure consistent treatment of corporate actions across the market.
Your PRIA Score
Personalized for You
How does this regulation affect your finances?
Sign up for a PRIA Policy Scan to see your personalized alignment score for this federal register document and every other regulation we track. We analyze your financial profile against policy provisions to show you exactly what matters to your wallet.
Key Dates
Department and Agencies
Related Federal Register Documents
2026-12163 — The Trade-Through Rule and Locked and Crossed Markets Provisions of Regulation NMS
The SEC wants to scrap some old rules that stop stocks from being traded at worse prices and prevent confusing market quotes. This change affects stock traders and exchanges, aiming to simplify trading and possibly speed things up. If you want to share your thoughts, you’ve got until August 17, 2026, so don’t miss out!
2026-10373 — Registered Offering Reform
The SEC wants to make it easier and cheaper for more companies to sell their stocks and bonds to the public. They’re opening up special forms and benefits to more businesses, updating rules to be more modern, and cutting red tape by overriding some state rules. If you’re a company planning to raise money, these changes could speed things up and save you money, with feedback due by July 27, 2026.
2026-10222 — Enhancement of Emerging Growth Company Accommodations and Simplification of Filer Status for Reporting Companies
The SEC is making it easier for companies that report their finances by simplifying their categories into just two groups: big and small filers. Smaller companies, including emerging growth ones, will get more time to file reports and enjoy simpler rules, while big companies keep stricter standards. These changes aim to save time and money, with feedback open until July 20, 2026.
2026-07651 — Concept Release on Consolidated Audit Trail and Other Audit Trails and Data Sources
The SEC wants your thoughts on how it tracks stock market trades using the Consolidated Audit Trail and other data tools. They’re thinking about updating rules to keep up with new tech, privacy, and security needs, and to make sure the system is fair and cost-effective. If you’re involved in the stock market or data tracking, speak up by June 22, 2026!
2026-14013 — Self-Regulatory Organizations: Miami International Securities Exchange, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Rule 100, Definitions, To Amend the Quarterly Review of Professional Interest Orders
MIAX is updating its rules to change how it reviews special 'Professional Interest' orders every quarter. This affects traders who place lots of orders, making sure their orders are labeled correctly to keep things fair. The new rule kicks in right away and helps the Exchange keep a clear and honest market without changing any fees.
2026-14009 — Agency Information Collection Activities; Proposed Collection; Comment Request; Extension: Form 2-E, Report Pursuant to Rule 609 and Regulation E
The SEC is asking for comments on keeping Form 2-E, which small business investment companies use to report on certain securities offerings twice a year. Even though hardly anyone files it these days, the form helps the SEC keep an eye on these offerings and make sure they follow the rules. It takes about four hours to complete, costs nothing extra, and the deadline to share your thoughts is coming up soon!
Previous / Next Documents
Previous: 2026-14016 — Self-Regulatory Organizations; ICE Clear Credit LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change Relating to ICC's Fee Schedule
ICE Clear Credit just updated its fee schedule to tweak the Client Volume Incentive Program for credit default swaps. This change affects clients who trade these swaps, offering new fee incentives starting right away. No changes hit the participant fees or rules, so it’s a smooth update with potential savings for active clients.
Next: 2026-14018 — Self-Regulatory Organizations; MIAX Emerald, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the Quarterly Review of Professional Interest Orders
MIAX Emerald is changing how it reviews certain trader orders every three months. If a trader’s account places lots of orders, they’ll now be marked differently to keep things fair and clear. This update kicks in right away and helps make sure the market runs smoothly without extra costs.