Cboe Global Markets

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-20210722.csv Jul 22, 2021
price-improvement-20210721.csv Jul 21, 2021
price-improvement-20210720.csv Jul 20, 2021
price-improvement-20210719.csv Jul 19, 2021
price-improvement-20210716.csv Jul 16, 2021
price-improvement-20210715.csv Jul 15, 2021
price-improvement-20210714.csv Jul 14, 2021
price-improvement-20210713.csv Jul 13, 2021
price-improvement-20210712.csv Jul 12, 2021
price-improvement-20210709.csv Jul 09, 2021
price-improvement-20210708.csv Jul 08, 2021
price-improvement-20210707.csv Jul 07, 2021
price-improvement-20210706.csv Jul 06, 2021
price-improvement-20210702.csv Jul 02, 2021
price-improvement-20210701.csv Jul 01, 2021