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-20210621.csv Jun 21, 2021
price-improvement-20210618.csv Jun 18, 2021
price-improvement-20210617.csv Jun 17, 2021
price-improvement-20210616.csv Jun 16, 2021
price-improvement-20210615.csv Jun 15, 2021
price-improvement-20210614.csv Jun 14, 2021
price-improvement-20210611.csv Jun 11, 2021
price-improvement-20210610.csv Jun 10, 2021
price-improvement-20210609.csv Jun 09, 2021
price-improvement-20210608.csv Jun 08, 2021
price-improvement-20210607.csv Jun 07, 2021
price-improvement-20210604.csv Jun 04, 2021
price-improvement-20210603.csv Jun 03, 2021
price-improvement-20210602.csv Jun 02, 2021
price-improvement-20210601.csv Jun 01, 2021