Cboe BZX 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-20190418.csv Apr 18, 2019
price-improvement-20190417.csv Apr 17, 2019
price-improvement-20190416.csv Apr 16, 2019
price-improvement-20190415.csv Apr 15, 2019
price-improvement-20190412.csv Apr 12, 2019
price-improvement-20190411.csv Apr 11, 2019
price-improvement-20190410.csv Apr 10, 2019
price-improvement-20190409.csv Apr 09, 2019
price-improvement-20190408.csv Apr 08, 2019
price-improvement-20190405.csv Apr 05, 2019
price-improvement-20190404.csv Apr 04, 2019
price-improvement-20190403.csv Apr 03, 2019
price-improvement-20190402.csv Apr 02, 2019
price-improvement-20190401.csv Apr 01, 2019