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MIAX, the U.S. options exchange group, restored Monday and Wednesday short-term expiries for options on BlackRock’s iShares Bitcoin Trust ETF after dropping IBIT from its third-quarter roster.
Key facts
BlackRock’s historical fund data imply about $43.23 billion of IBIT net assets on June 30, below the former $50 billion gate but above the new $25 billion threshold
A MIAX listing alert said the exchange group would begin listing IBIT under a new, lower-threshold Tier 2 framework on Aug. 18, 2026
Tier 1 keeps the old tests of more than $50 billion in AUM and more than 10 million monthly options sides, and adds Tuesday and Thursday short-term expiries
Bitcoin is -2.89% over the past 24 hours and currently sits at rank # 1 by market cap
Summary
01 MIAX restored IBIT’s Monday and Wednesday expiries after the ETF qualified under a new Tier 2 framework. 02 Tier 2 lowers the gates to over $25B in AUM and over 5M monthly options sides, versus $50B and 10M for Tier 1. 03 The rule took effect upon filing, though the SEC can suspend it within 60 days; comments are due Sept. 17. A MIAX listing alert said the exchange group would begin listing IBIT under a new, lower-threshold Tier 2 framework on Aug. 18, 2026.