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Cboe-affiliated U.S. Options Exchanges have announced plans to implement strict maximum quote width requirements for Market Makers, scheduled to take effect on December 7, 2026. This regulatory update aims to standardize liquidity parameters across all options exchanges under the Cboe umbrella, ensuring tighter bid-ask spreads during standard market conditions.
For market participants, tighter quote width mandates force Market Makers to maintain continuous and narrow bid-ask spreads. This structural shift is expected to enhance order execution efficiency, minimize slippage for retail and institutional traders, and improve overall market depth across option series listed on Cboe venues.
Looking ahead, options trading desks and automated liquidity providers will need to adjust their algorithmic quoting systems to comply with the new mandates before the 2026 deadline. Industry observers will watch whether competitor exchanges adopt similar requirements to preserve execution quality standards.
