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-20220630.csv Jun 30, 2022
price-improvement-20220629.csv Jun 29, 2022
price-improvement-20220628.csv Jun 28, 2022
price-improvement-20220627.csv Jun 27, 2022
price-improvement-20220624.csv Jun 24, 2022
price-improvement-20220623.csv Jun 23, 2022
price-improvement-20220622.csv Jun 22, 2022
price-improvement-20220621.csv Jun 21, 2022
price-improvement-20220617.csv Jun 17, 2022
price-improvement-20220616.csv Jun 16, 2022
price-improvement-20220615.csv Jun 15, 2022
price-improvement-20220614.csv Jun 14, 2022
price-improvement-20220613.csv Jun 13, 2022
price-improvement-20220610.csv Jun 10, 2022
price-improvement-20220609.csv Jun 09, 2022
price-improvement-20220608.csv Jun 08, 2022
price-improvement-20220607.csv Jun 07, 2022
price-improvement-20220606.csv Jun 06, 2022
price-improvement-20220603.csv Jun 03, 2022
price-improvement-20220602.csv Jun 02, 2022
price-improvement-20220601.csv Jun 01, 2022