NEW YORK—The head of the New York Stock Exchange on Thursday called for regulators to change rules that make it difficult for the NYSE to compete for stock orders, as the market share of exchanges has dwindled versus off-exchange trading platforms during the retail trading boom.
“On exchange, we are artificially constrained from competing for pretty much half of the market,” said Stacey Cunningham, president of Intercontinental Exchange Inc.’s NYSE.
