Cboe BYX U.S. Equities Exchange 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-20201023.csv Oct 23, 2020
price-improvement-20201022.csv Oct 22, 2020
price-improvement-20201021.csv Oct 21, 2020
price-improvement-20201020.csv Oct 20, 2020
price-improvement-20201019.csv Oct 19, 2020
price-improvement-20201016.csv Oct 16, 2020
price-improvement-20201015.csv Oct 15, 2020
price-improvement-20201014.csv Oct 14, 2020
price-improvement-20201013.csv Oct 13, 2020
price-improvement-20201012.csv Oct 12, 2020
price-improvement-20201009.csv Oct 09, 2020
price-improvement-20201008.csv Oct 08, 2020
price-improvement-20201007.csv Oct 07, 2020
price-improvement-20201006.csv Oct 06, 2020
price-improvement-20201005.csv Oct 05, 2020
price-improvement-20201002.csv Oct 02, 2020
price-improvement-20201001.csv Oct 01, 2020