Self-Regulatory Organizations; MEMX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Rules 18.7 and 18.9 To Permit an Increase in Position and Exercise Limits for Options on IBIT

18.9, Interpretation and Policy .01, Exercise Limits. The position limit for options on IBIT is currently set pursuant to Rule 18.7(d) where the largest in capitalization and the most frequently traded stocks and ETFs have an option position limit of 250,000 contracts (with adjustments for splits, re-capitalizations, etc.) on the same side of the market; and smaller capitalization stocks and ETFs have position limits of 200,000, 75,000, 50,000 or 25,000 contracts (with adjustments for splits, recapitalizations, etc.) on the same side of the market. The Exchange notes that the proposed position limits and exercise limits for options on IBIT are consistent with existing position limits and exercise limits for options on iShares MSCI [[Page 36032]] Emerging Markets, iShares China Large-Cap ETF, and iShares MSCI EAFE ETF. --------------------------------------------------------------------------- \7\ Nasdaq received approval to list and trade Bitcoin-Based Commodity-Based Trust Shares in IBIT pursuant to Rule 5711(d) of Nasdaq. See Securities Exchange Act Release No. 99306 (January 10, 2024), 89 FR 3008 (January 17, 2024) (SR-NASDAQ-2023-016) (Order Granting Accelerated Approval of Proposed Rule Changes, as Modified by Amendments Thereto, To List and Trade Bitcoin-Based Commodity- Based Trust Shares and Trust Units). IBIT started trading on January 11, 2024. \8\ See Securities Exch