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-20190314.csv Mar 14, 2019
price-improvement-20190313.csv Mar 13, 2019
price-improvement-20190312.csv Mar 12, 2019
price-improvement-20190311.csv Mar 11, 2019
price-improvement-20190308.csv Mar 08, 2019
price-improvement-20190307.csv Mar 07, 2019
price-improvement-20190306.csv Mar 06, 2019
price-improvement-20190305.csv Mar 05, 2019
price-improvement-20190304.csv Mar 04, 2019
price-improvement-20190301.csv Mar 01, 2019