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-20200528.csv May 28, 2020
price-improvement-20200527.csv May 27, 2020
price-improvement-20200526.csv May 26, 2020
price-improvement-20200522.csv May 22, 2020
price-improvement-20200521.csv May 21, 2020
price-improvement-20200520.csv May 20, 2020
price-improvement-20200519.csv May 19, 2020
price-improvement-20200518.csv May 18, 2020
price-improvement-20200515.csv May 15, 2020
price-improvement-20200514.csv May 14, 2020
price-improvement-20200513.csv May 13, 2020
price-improvement-20200512.csv May 12, 2020
price-improvement-20200511.csv May 11, 2020
price-improvement-20200508.csv May 08, 2020
price-improvement-20200507.csv May 07, 2020
price-improvement-20200506.csv May 06, 2020
price-improvement-20200505.csv May 05, 2020
price-improvement-20200504.csv May 04, 2020
price-improvement-20200501.csv May 01, 2020