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-20210120.csv Jan 20, 2021
price-improvement-20210119.csv Jan 19, 2021
price-improvement-20210115.csv Jan 15, 2021
price-improvement-20210114.csv Jan 14, 2021
price-improvement-20210113.csv Jan 13, 2021
price-improvement-20210112.csv Jan 12, 2021
price-improvement-20210111.csv Jan 11, 2021
price-improvement-20210108.csv Jan 08, 2021
price-improvement-20210107.csv Jan 07, 2021
price-improvement-20210106.csv Jan 06, 2021
price-improvement-20210105.csv Jan 05, 2021
price-improvement-20210104.csv Jan 04, 2021