Price Improvement

The Cboe U.S. Equities Exchanges make the following price improvement information publicly available to demonstrate the impact of Cboe's matching engine technology and significant undisplayed liquidity, including true midpoint orders, on the economics of trading.

Each row of data on the files reflects, for a given symbol, the total price improvement, the number of shares, and the average price improvement per share.

File Name	Date
price-improvement-20260615.csv	Jun 15, 2026
price-improvement-20260612.csv	Jun 12, 2026
price-improvement-20260611.csv	Jun 11, 2026
price-improvement-20260610.csv	Jun 10, 2026
price-improvement-20260609.csv	Jun 09, 2026
price-improvement-20260608.csv	Jun 08, 2026
price-improvement-20260605.csv	Jun 05, 2026
price-improvement-20260604.csv	Jun 04, 2026
price-improvement-20260603.csv	Jun 03, 2026
price-improvement-20260602.csv	Jun 02, 2026
price-improvement-20260601.csv	Jun 01, 2026