SEC OKs Quadrupling BlackRock IBIT Options Limits to 1 Million Contracts

BlackRock's iShares Bitcoin Trust (IBIT) has won a key regulatory green light. The U.S. Securities and Exchange Commission has approved a fourfold increase in the ETF's options position and exercise limits for NYSE Arca-listed contracts, lifting the cap to 1 million contracts from 250,000. According to an SEC notice, a NYSE Arca rule change filed under Section 19(b)(1) of the Securities Exchange Act and Rule 19b-4 is effective immediately. The revision raises the maximum number of options contracts that can be held in connection with IBIT, currently the largest U.S. spot Bitcoin ETF by assets. The SEC said it will continue accepting public comments even with the change now in force. NYSE Arca said the prior 250,000-contract ceiling no longer matched current trading levels in IBIT options. The higher limit is designed to support larger hedging and trading demands, give market makers more room to manage inventory and hedge exposures, and reduce the need for large participants to split activity across venues due to exchange-imposed caps. The exchange also said the adjustment brings IBIT's limits in line with comparable frameworks at Nasdaq ISE, Nasdaq PHLX and BOX Exchange, aiming for greater consistency across U.S. options venues. The move comes as institutional interest in spot Bitcoin ETFs continues to build. IBIT has been among the stronger-performing products recently and has recorded notable inflows over the past week, reinforcing its standing among the largest U.S. spot Bitcoin ETFs. For institutional desks and major derivatives traders, the higher position limit removes a practical constraint on executing large hedges or directional strategies tied to Bitcoin exposure. The approval also lands shortly after BlackRock reported fiscal second-quarter 2026 results, including a 31% year-over-year revenue increase and an increase in its quarterly share repurchase target to $550 million. Separately, the firm is pushing deeper into tokenization: BlackRock joined a DTCC tokenization pilot with JPMorgan Chase and Goldman Sachs to explore blockchain-based settlement for stocks and U.S. Treasuries. The SEC action applies only to regulated options listed on NYSE Arca and does not alter rules governing tokenized securities. While the rule change is effective immediately, the comment period remains open, leaving room for potential refinement based on feedback. Market participants will be watching whether the higher cap accelerates derivatives activity tied to Bitcoin ETFs and how other exchanges respond.