Nasdaq to Buy Dark Pool Trading Venue LeveL for Equity Market

Nasdaq Inc. agreed to buy off-exchange stock-trading venue LeveL Markets to expand its role in the equity market, according to people familiar with the matter.

The US exchange operator is purchasing all equity interests in the alternative-trading system also known as a dark pool, the people said, asking not to be identified discussing private information. Terms of the deal couldn’t be learned.

A representative for Nasdaq declined to comment.

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The move gives one of largest US exchange operators access to a growing segment of the equities market happening off-exchange. Alternative-trading systems offer an anonymous way to process trades outside of public exchange venues. Activity on those platforms has been growing as trading has shifted away from places such as Nasdaq and the New York Stock Exchange.

Trading that happens internally at major firms or on the alternative platforms represented 49.9% of traded volume in July, according to data compiled by Bloomberg. Last year was the first time on record that hidden trades made up more than half of all volume.