Market regulation · 01/11/1995Updated: 10/18/2026 · 1 min read
CBOE Proposes Rule Change to Increase Retail Automatic Execution System Order Size Limit for PSI
Summary
The Chicago Board Options Exchange (CBOE) has filed a proposed rule change to increase the retail automatic execution system (RAES) order size limit for Performance Systems International (PSI). The rule change, which is effective immediately, aims to improve market efficiency and liquidity.