{"url_path":"/register/2026-05-21/2026-10140","section_key":"summary","section_title":"Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Increase the Position and Exercise Limits for Options on iShares Bitcoin Trust ETF","topic":"register","document":{"doc_type":"Notice","doc_date":"2026-05-21","source_url":"https://www.federalregister.gov/documents/2026/05/21/2026-10140/self-regulatory-organizations-nasdaq-phlx-llc-notice-of-filing-and-immediate-effectiveness-of-a","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"Securities and Exchange Commission"},"word_count":44,"has_tables":false,"body_markdown":"# Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Increase the Position and Exercise Limits for Options on iShares Bitcoin Trust ETF\n\n**Type:** Notice\n**Published:** 2026-05-21\n**Citation:** 91 FR 30008\n**Agencies:** Securities and Exchange Commission\n**Source:** https://www.federalregister.gov/documents/2026/05/21/2026-10140/self-regulatory-organizations-nasdaq-phlx-llc-notice-of-filing-and-immediate-effectiveness-of-a"}