Cboe Drops Silexx Fees After SEC Grants Special Permission
Published Date: 10/29/2026
Notice
Summary
Cboe Exchange is dropping the Silexx fees from its fee schedule starting right away, thanks to special permission from the SEC. This change affects traders using Cboe’s platform by removing those specific charges, making trading a bit simpler and possibly cheaper. The update took effect immediately on October 15, 2026, so no waiting around!
Analyzed Economic Effects
4 provisions identified: 3 benefits, 0 costs, 1 mixed.
Fees Set by Contract May Vary Among Users
Pursuant to SEC exemptive relief issued May 1, 2026, fees charged by an Exchange-affiliated order entry management system (OEMS) like Silexx may be competitively established and may vary among users. The Exchange notes it is not required to follow certain Section 6(b) obligations (including provisions about unfair discrimination and undue burden on competition) with respect to Exchange-affiliated OEMSs.
Silexx Fees Removed from Fee Schedule
Cboe removed the Silexx Fee Schedule in its entirety and, effective October 15, 2026, Silexx fees are no longer posted on the Exchange's website. Instead, Silexx fees will be established in individual customer contracts and customers will be bound by the fees in those contracts.
Using Silexx Is Voluntary — You Have a Choice
The filing states that use of the Exchange-affiliated OEMS Silexx is voluntary and not required for Exchange access; Trading Permit Holders (TPHs) may use third-party OEMSs instead to establish connectivity and submit orders to the Exchange.
Parity and Limits on How OEMS Fees Are Determined
As conditions of the SEC's exemptive relief, (v) any fees charged by an Exchange-affiliated OEMS like Silexx must not take into consideration any of that user's Exchange activity or Exchange fees on the Exchange's Fee Schedule, and (vi) users of third-party OEMSs and Exchange-affiliated OEMSs will have use of Exchange facilities and services in the same manner pursuant to the same terms, conditions, and fees.
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