Cboe Global Markets

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-20211126.csv Nov 26, 2021
price-improvement-20211124.csv Nov 24, 2021
price-improvement-20211123.csv Nov 23, 2021
price-improvement-20211122.csv Nov 22, 2021
price-improvement-20211119.csv Nov 19, 2021
price-improvement-20211118.csv Nov 18, 2021
price-improvement-20211117.csv Nov 17, 2021
price-improvement-20211116.csv Nov 16, 2021
price-improvement-20211115.csv Nov 15, 2021
price-improvement-20211112.csv Nov 12, 2021
price-improvement-20211111.csv Nov 11, 2021
price-improvement-20211110.csv Nov 10, 2021
price-improvement-20211109.csv Nov 09, 2021
price-improvement-20211108.csv Nov 08, 2021
price-improvement-20211105.csv Nov 05, 2021
price-improvement-20211104.csv Nov 04, 2021
price-improvement-20211103.csv Nov 03, 2021
price-improvement-20211102.csv Nov 02, 2021
price-improvement-20211101.csv Nov 01, 2021