BOX Exchange Sweeps Mini and Jumbo Options References From Rulebook
Published Date: 11/10/2026
Notice
Summary
BOX Exchange is sprucing up its rulebook by removing outdated references to Mini Options and Jumbo SPY Options and making some technical fixes that don’t change the rules themselves. These updates affect traders and members using the Exchange’s platform and take effect immediately, with no extra costs involved. It’s all about keeping things clear, clean, and easy to follow!
Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
Mini and Jumbo SPY option rules removed
The Exchange removed and marked as "Reserved" multiple rule provisions that referenced Mini Options and Jumbo SPY Options (including IM-3120-3, IM-3120-4, Rule 5050(e), IM-5050-10, and others). The Exchange states it does not list these products and has no open interest in them; if it wanted to list them in the future it would file a separate rule change with the SEC.
Technical cross-reference and numbering fixes
The Exchange updated internal cross-references and numbering in several rules (for example, Rule 5030, Rule 7130, Rule 7620, and IM-15030-1) to correct outdated citations. The Exchange states these are technical, non‑substantive changes that do not alter the operation or meaning of Exchange rules and are intended to improve accuracy and reduce confusion.
Changes effective immediately upon filing
The SEC waived the usual 30-day operative delay (Rule 19b-4(f)(6)) and designated the proposed rule change operative upon filing. The Exchange filed the proposal on October 23, 2026, so the non‑substantive edits became effective upon that filing date.
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