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-20180917.csv Sep 17, 2018
price-improvement-20180914.csv Sep 14, 2018
price-improvement-20180913.csv Sep 13, 2018
price-improvement-20180912.csv Sep 12, 2018
price-improvement-20180911.csv Sep 11, 2018
price-improvement-20180910.csv Sep 10, 2018
price-improvement-20180907.csv Sep 07, 2018
price-improvement-20180906.csv Sep 06, 2018
price-improvement-20180905.csv Sep 05, 2018
price-improvement-20180904.csv Sep 04, 2018