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-20181016.csv Oct 16, 2018
price-improvement-20181015.csv Oct 15, 2018
price-improvement-20181012.csv Oct 12, 2018
price-improvement-20181011.csv Oct 11, 2018
price-improvement-20181010.csv Oct 10, 2018
price-improvement-20181009.csv Oct 09, 2018
price-improvement-20181008.csv Oct 08, 2018
price-improvement-20181005.csv Oct 05, 2018
price-improvement-20181004.csv Oct 04, 2018
price-improvement-20181003.csv Oct 03, 2018
price-improvement-20181002.csv Oct 02, 2018
price-improvement-20181001.csv Oct 01, 2018