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-20210225.csv Feb 25, 2021
price-improvement-20210224.csv Feb 24, 2021
price-improvement-20210223.csv Feb 23, 2021
price-improvement-20210222.csv Feb 22, 2021
price-improvement-20210219.csv Feb 19, 2021
price-improvement-20210218.csv Feb 18, 2021
price-improvement-20210217.csv Feb 17, 2021
price-improvement-20210216.csv Feb 16, 2021
price-improvement-20210212.csv Feb 12, 2021
price-improvement-20210211.csv Feb 11, 2021
price-improvement-20210210.csv Feb 10, 2021
price-improvement-20210209.csv Feb 09, 2021
price-improvement-20210208.csv Feb 08, 2021
price-improvement-20210205.csv Feb 05, 2021
price-improvement-20210204.csv Feb 04, 2021
price-improvement-20210203.csv Feb 03, 2021
price-improvement-20210202.csv Feb 02, 2021
price-improvement-20210201.csv Feb 01, 2021