Miami Exchange Boosts Bitcoin ETF Trading Power Immediately
Published Date: 8/25/2025
Notice
Summary
MIAX is boosting the position and exercise limits for three popular Bitcoin ETFs: Grayscale Bitcoin Trust, Grayscale Bitcoin Mini Trust, and Bitwise Bitcoin ETF. This change lets traders hold and exercise more contracts, making trading more flexible and potentially more profitable. The new rules took effect right after filing on August 14, 2025, so the market can jump on these bigger limits now!
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Bitcoin ETF Options Limits Raised
If you trade options on Grayscale Bitcoin Trust (GBTC), Grayscale Bitcoin Mini Trust (BTC), or the Bitwise Bitcoin ETF (BITB), the position and exercise limits were increased from 25,000 contracts to 250,000 contracts. This change became operative upon filing on August 14, 2025 and subjects those options to Exchange Rule 307(d) criteria (including the 100,000,000-share six-month trading-volume threshold to qualify for a 250,000-contract limit) and six-month reviews of the limits.
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Department and Agencies
Related Federal Register Documents
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Previous / Next Documents
Previous: 2025-16180, Self-Regulatory Organizations; BOX Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Change To Amend BOX Rule 3120 To Increase the Position and Exercise Limits for the Grayscale Bitcoin Mini Trust ETF, the Bitwise Bitcoin ETF, and the Grayscale Bitcoin Trust ETF
BOX Exchange just gave the green light to let traders hold and exercise more options on three popular Bitcoin ETFs: Grayscale Bitcoin Mini Trust, Bitwise Bitcoin ETF, and Grayscale Bitcoin Trust. This change means bigger moves and more flexibility for investors starting right away. If you’re trading these ETFs, get ready for higher limits that could impact your strategies and potential profits!
Next: 2025-16182, Self-Regulatory Organizations; MX2 LLC; Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change To Adopt Rules To Govern the Trading of Options on the Exchange for a New Facility Called MX2 Options
MX2 LLC wants to start a new options trading platform called MX2 Options and has asked the SEC to approve rules for it. The SEC needs more time to review the plan, so they extended their decision deadline to October 5, 2025. This affects traders and investors who might use the new platform once it’s approved.