The New York Stock Exchange and Nasdaq Inc. said they will be operating their markets as normal on Monday as a winter storm sweeps through the New York area.

The two largest U.S. stock exchange operators said they didn't expect any changes to Monday's market open despite blizzard conditions that have caused travel restrictions interrupting businesses across the East Coast.

New York City Mayor Zohran Mamdani declared a state of emergency and closed streets, highways and bridges to most traffic until noon.

"There is no impact to our markets and systems. We expect normal operation," Nasdaq said in an emailed statement. NYSE, which is owned by Intercontinental Exchange Inc., also said it will be operating normally.

Both exchanges run electronic systems, with data-centers in the New York-area, that have backup systems and other contingency plans in place, in the case of extreme interruptions.

Normal U.S. market-hours are from 9:30 a.m. to 4 p.m. in New York.

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