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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-20260415.csv | Apr 15, 2026 |
| price-improvement-20260414.csv | Apr 14, 2026 |
| price-improvement-20260413.csv | Apr 13, 2026 |
| price-improvement-20260410.csv | Apr 10, 2026 |
| price-improvement-20260409.csv | Apr 09, 2026 |
| price-improvement-20260408.csv | Apr 08, 2026 |
| price-improvement-20260407.csv | Apr 07, 2026 |
| price-improvement-20260406.csv | Apr 06, 2026 |
| price-improvement-20260402.csv | Apr 02, 2026 |
| price-improvement-20260401.csv | Apr 01, 2026 |
