will be decommissioned on November 4, 2016.
Bats US Equities information can now be found at
URLs for data/reporting tools will continue to be supported.

Price Improvement Data

The Bats Exchanges make the following price improvement information publicly available to demonstrate the impact of Bats' 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.

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