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-20200124.csv Jan 24, 2020
price-improvement-20200123.csv Jan 23, 2020
price-improvement-20200122.csv Jan 22, 2020
price-improvement-20200121.csv Jan 21, 2020
price-improvement-20200117.csv Jan 17, 2020
price-improvement-20200116.csv Jan 16, 2020
price-improvement-20200115.csv Jan 15, 2020
price-improvement-20200114.csv Jan 14, 2020
price-improvement-20200113.csv Jan 13, 2020
price-improvement-20200110.csv Jan 10, 2020
price-improvement-20200109.csv Jan 09, 2020
price-improvement-20200108.csv Jan 08, 2020
price-improvement-20200107.csv Jan 07, 2020
price-improvement-20200106.csv Jan 06, 2020
price-improvement-20200103.csv Jan 03, 2020
price-improvement-20200102.csv Jan 02, 2020