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Nasdaq volumes set to quadruple at open, 100 million shares set to be traded: CEO

Bob Greifeld, the chief executive officer of Nasdaq, projected that more than 100 million shares would be traded at the session open Wednesday as investors react to the outcome of the U.S. presidential elections.

Greifeld told CNBC at the Web Summit technology conference in Portugal: "Our typical market open cross is 20-30 million shares... We expect north of 100 million today."

"We have got a reference point with respect to Brexit where the markets did calm down and normalize and we hope we see that in the U.S. markets today and in the subsequent days to come," he added.

On Wednesday morning, the U.S. announced that it had chosen its 45th president to take the White House: Republican Candidate Donald Trump, who claimed victory after fellow candidate Hillary Clinton called him to concede the election.

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