Opportunity
Federal Register #SR-MEMX-2026-16
MEMX LLC Proposed Amendments to Equities Fee Schedule and IBIT Options Limits
Buyer
Securities and Exchange Commission
Posted
June 15, 2026
Identifier
SR-MEMX-2026-16
NAICS
523210
This notice details proposed regulatory changes by MEMX LLC, an equities exchange, as published by the Securities and Exchange Commission (SEC): - Government Buyer: - Securities and Exchange Commission (SEC), Division of Trading and Markets - OEMs/Vendors Mentioned: - MEMX LLC (exchange and rule filer) - Products/Services Requested: - No physical products or traditional services are being procured; this is a regulatory action - Amendments to MEMX's fee schedule for equities transactions: - Reduction of base rebates for Added Price Improved Volume, Added Non-Midpoint Non-Displayed Volume, and Added Midpoint Non-Displayed Volume - Modification of Non-Display Add Tiers, including the addition of Non-Display Add Tier 2 - Elimination of Display-Price Sliding Tier 1 - Reduction of additive rebates under Tape A and Tape C Quoting Tiers - Rule amendments to increase position and exercise limits for options on the iShares Bitcoin Trust ETF (IBIT) from 250,000 to 1,000,000 contracts - Unique or Notable Requirements: - The changes are designed to incentivize market participants to direct additional order flow to MEMX, enhancing liquidity and market quality - Position and exercise limit increases for IBIT options align MEMX with other exchanges (e.g., Nasdaq ISE) - No procurement of goods or services; this is a regulatory fee and rule change
Description
The Securities and Exchange Commission has published a notice regarding the filing and immediate effectiveness of a proposed rule change by MEMX LLC. The rule change pertains to amendments to the exchange's fee schedule concerning equities transaction pricing. The proposal includes reducing certain rebates and eliminating a specific pricing tier to incentivize market participants to direct additional order flow to the Exchange, thereby enhancing liquidity and market quality. The Exchange believes the changes are reasonable, equitable, and promote competition among market participants.