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Nasdaq Sets December 6 Launch for Nearly 23-Hour Trading Day
Nasdaq confirmed that on Dec 6 it will begin a nearly 23‑hour trading day by adding a 9 PM to 4 AM Eastern Time overnight session, running five days a week, to match continuously operating markets.
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What happened
Nasdaq confirmed that on Dec 6 it will begin a nearly 23‑hour trading day by adding a 9 PM to 4 AM Eastern Time overnight session, running five days a week, to match continuously operating markets.
Confirmed
Global impact / market context
Extending trading hours gives investors more time to buy or sell shares, which can increase liquidity—the ease of converting assets to cash—and may attract new participants seeking flexibility.
Analyst inference
Nasdaq is adding an overnight session from 9 PM to 4 AM Eastern Time, five days a week, creating a nearly 23‑hour trading day starting Dec 6. This move aims to align U.S. equity trading with markets that operate continuously, such as cryptocurrency exchanges.
Confirmed
What to watch
- Monitor trading volume during the new overnight session to see if activity rises, indicating that investors are using the extra hours; higher volume can improve price discovery. Analyst inference
- Watch for any regulatory guidance on extended hours, as authorities may require new rules to protect investors and ensure market integrity during the longer trading window. Analyst inference
- Observe how market makers adjust their pricing and risk models for the overnight period, since longer hours can affect their costs and the spread they quote to traders. Analyst inference
Affected assets
- PM — PumpMeme