Nasdaq and 23×5

23x5 stock exchange. Google Gemini.

As a follow-up to my Friday post “Is Sleep Necessary, 23×5 Stock Exchange Traders?” Here are the specifics for Nasdaq, including the Nasdaq services that will NOT support 23×5 on December 6.

“On December 6, 2026, the Nasdaq Stock Market will introduce new trading hours from 9:00 pm-4:00 am ET. Together with the current extended trading hours that run from 4:00 am-9:30 am and 4:00 pm-8:00 pm ET, these hours will collectively constitute the Global Trading Session. Together with the US Trading Session 9:30am-4:00pm, and marked by the Opening and Closing Crosses, this will allow for continuous trading 23 hours a day, 5 days a week.”

So the non-trading hour is from 8-9pm ET, or 5-6pm PT.

Why? For the reasons I stated before.

“The worldwide economy and its stock exchanges are interconnected. As the University of Iowa reminds us, ‘An investor in Seoul may be buying while someone in Des Moines is selling.’”

NTX and PSX will NOT support 23×5 yet

But in the case of Nasdaq, the company operates multiple exchanges. And some are not affected by the change.

“Nasdaq Texas (NTX) and PSX equity exchanges will continue to operate on their current schedules; NTX: 7 a.m. to 7 p.m. ET and PSX: 8 a.m. to 5 p.m. ET. Nasdaq options exchanges will also continue to operate on their current schedules.”

I had never heard of Nasdaq Texas before. Turns out it’s new, just launched in March of this year. Why? To “expand Nasdaq’s services for companies across the state while bringing new growth and investment opportunities to U.S. investors.” Of course, anyone on Nasdaq Texas won’t innovate ANYTHING after 6:00 pm Central Time. So if you’re in Seoul, bypass Dallas and go straight to New York.

The Nasdaq Philadelphia Stock Exchange (PSX) is a little older, with a founding date of 1790. Older than the New York Stock Exchange (1792) or Nasdaq itself (1971). But again, they’re closed at night.

Nasdaq also owns Nasdaq Canada, but the Canadian exchanges (including the Toronto Stock Exchange (TSX), TSX Venture Exchange (TSX-V), Canadian Securities Exchange (CSE), and NEO Exchange (NEO)) aren’t part of the December 6 23×5 launch.

But they’re all moving in that direction.

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