Cboe Exchange Dumps Fees for Dusty Old Trading Platform
Published Date: 9/23/2025
Notice
Summary
Cboe Exchange is dropping all fees tied to its old Silexx trading platform and ending previous fee waivers for FLEX and Silexx FIX connections. This means users will now pay standard fees as the platform migration wraps up. If you’re trading on Cboe, expect these changes to take effect immediately, so plan your moves accordingly!
Analyzed Economic Effects
3 provisions identified: 1 benefits, 2 costs, 0 mixed.
Legacy Silexx Platform Fees Removed
Cboe completed migration away from the Legacy Silexx platforms as of August 29, 2025 and will no longer offer access to those Legacy Platforms. The Exchange has removed the fees related to the Cboe Legacy Silexx platform from its Fees Schedule effective with the filing on September 10, 2025.
FIX Connection Fee Waiver Ends
The Exchange removed a prior waiver for FLEX and Cboe Silexx FIX Connections as part of its September 10, 2025 filing. Users who had been receiving that waiver will now be subject to the standard fees for those FIX connection services.
Market Data Waiver for New Users Removed
Cboe removed a prior waiver that had waived market data fees for new users of the Cboe Legacy Silexx platform during the migration to the new Silexx platform. With migration completed (as of August 29, 2025) and the September 10, 2025 filing, those market data fee waivers have been removed.
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