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-20171116.csv Nov 16, 2017
price-improvement-20171115.csv Nov 15, 2017
price-improvement-20171114.csv Nov 14, 2017
price-improvement-20171113.csv Nov 13, 2017
price-improvement-20171110.csv Nov 10, 2017
price-improvement-20171109.csv Nov 09, 2017
price-improvement-20171108.csv Nov 08, 2017
price-improvement-20171107.csv Nov 07, 2017
price-improvement-20171106.csv Nov 06, 2017
price-improvement-20171103.csv Nov 03, 2017
price-improvement-20171102.csv Nov 02, 2017
price-improvement-20171101.csv Nov 01, 2017