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-20180424.csv Apr 24, 2018
price-improvement-20180423.csv Apr 23, 2018
price-improvement-20180420.csv Apr 20, 2018
price-improvement-20180419.csv Apr 19, 2018
price-improvement-20180418.csv Apr 18, 2018
price-improvement-20180417.csv Apr 17, 2018
price-improvement-20180416.csv Apr 16, 2018
price-improvement-20180413.csv Apr 13, 2018
price-improvement-20180412.csv Apr 12, 2018
price-improvement-20180411.csv Apr 11, 2018
price-improvement-20180410.csv Apr 10, 2018
price-improvement-20180409.csv Apr 09, 2018
price-improvement-20180406.csv Apr 06, 2018
price-improvement-20180405.csv Apr 05, 2018
price-improvement-20180404.csv Apr 04, 2018
price-improvement-20180403.csv Apr 03, 2018
price-improvement-20180402.csv Apr 02, 2018