Nasdaq Updates Anti-Self-Trading Rule and Delays CORE FIX Protocol

2026-06469 — Self-Regulatory Organizations; BOX Exchange LLC; Notice of Filing of Proposed Rule Change To Amend BOX Rules 5055 (FLEX Equity Options) and 3120 (Position Limits)

BOX Exchange wants to update its rules for special options tied to popular Bitcoin and Ethereum ETFs and trusts. These changes affect traders using FLEX equity options and position limits, aiming to keep things fair and clear. The new rules could impact how much traders can hold and trade, with the proposal open for public comments starting April 2026.

2026-06463 — Joint Industry Plan; Notice of Filing of Amendment No. 1, and Order Instituting Proceedings To Determine Whether To Approve or Disapprove an Amendment to the National Market System Plan Regarding Consolidated Equity Market Data, as Modified by Amendment No. 1, To Adopt a Fee Schedule

Big stock market players like exchanges and trading groups want to start charging fees for sharing important stock data. They updated their plan after hearing feedback, and now the SEC is deciding if these new fees are fair and should go live. If approved, this could change how much it costs to get stock info starting soon.

2026-06462 — Self-Regulatory Organizations; 24X National Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Adopt a Monthly Enterprise Fee for Its Depth of Book Proprietary Market Data Feed

24X National Exchange is starting a new monthly fee for companies using its special market data feed that shows detailed order info. This change affects businesses that rely on this data and kicks in right away, meaning they’ll pay a set monthly charge to access it. It’s a clear move to keep the data service running smoothly and fairly.

2026-06475 — Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing of Amendment No. 1 and Order Granting Accelerated Approval of a Proposed Rule Change, as Modified by Amendment No. 1, To Amend Cboe Rule 5.4

Cboe Exchange is changing the smallest price step for options on its Mini Bitcoin ETF Index to make trading smoother and clearer. This change affects traders using these options and kicks in quickly after approval, with no extra costs involved. The SEC gave this update a fast green light, so expect the new rules to start soon!

2026-06473 — Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of a Proposal To Amend the Exchange's Anti-Internalization Functionality in Equity 4, Rule 3307, and To Extend the Implementation Date of the CORE FIX Order Entry Protocol

Nasdaq PHLX is updating a rule that helps stop trades from accidentally happening within the same firm, which keeps trading costs down. They’re also pushing back the start date for a new order entry system called CORE FIX. These changes affect traders using Nasdaq PHLX and aim to make trading smoother without extra costs, with the new system launch delayed to give everyone more time to get ready.

2026-06474 — Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing of Amendment No. 1 and Order Granting Accelerated Approval of a Proposed Rule Change, as Modified by Amendment No. 1, To Amend the Definition of “Indicative Price” Under Exchange Rule 11.23(a)(10) and Amend Exchange Rule 11.23(d)(2)(B) (Extending the Quote-Only Period for Initial Public Offering (“IPO”) Auctions)

Cboe BZX Exchange is updating its rules to make IPO auctions smoother by changing how the “Indicative Price” is defined and giving more time for quote-only periods during IPO auctions, especially for exchange-traded products (ETPs). This helps traders get better price info and more time to place quotes, making IPOs fairer and more efficient. These changes kick in quickly and could impact how IPOs are priced and traded on the exchange.

Previous: 2026-06464 — Self-Regulatory Organizations; NYSE American LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Modify the NYSE American Options Fee Schedule To Eliminate Certain Incentive Programs and Increase the Limit on the Maximum Combined Floor Broker Credits Paid on QCC Trades and Rebates Paid Through the Manual Billable Program

Starting March 18, 2026, NYSE American is shaking up its options fees by dropping some old incentives and raising the max credits floor brokers can earn on certain trades. This means floor brokers and traders using the Manual Billable Program will see changes in how much they can get back. It’s all about keeping things fair and encouraging smart trading moves on the exchange.

Next: 2026-06467 — Stillwater Central Railroad, L.L.C.-Lease and Operation Exemption-Hollis & Eastern Railroad, L.L.C.

Stillwater Central Railroad is renewing its lease to run trains on a 14-mile track between Duke and Altus, Oklahoma, with updated terms from Hollis & Eastern Railroad. They expect to make over $5 million a year but are asking to skip a usual 60-day employee notice. The final approval and start date will be decided soon, with a deadline for challenges on April 10, 2026.