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-20190822.csv Aug 22, 2019
price-improvement-20190821.csv Aug 21, 2019
price-improvement-20190820.csv Aug 20, 2019
price-improvement-20190819.csv Aug 19, 2019
price-improvement-20190816.csv Aug 16, 2019
price-improvement-20190815.csv Aug 15, 2019
price-improvement-20190814.csv Aug 14, 2019
price-improvement-20190813.csv Aug 13, 2019
price-improvement-20190812.csv Aug 12, 2019
price-improvement-20190809.csv Aug 09, 2019
price-improvement-20190808.csv Aug 08, 2019
price-improvement-20190807.csv Aug 07, 2019
price-improvement-20190806.csv Aug 06, 2019
price-improvement-20190805.csv Aug 05, 2019
price-improvement-20190802.csv Aug 02, 2019
price-improvement-20190801.csv Aug 01, 2019