CoinTelegraph
The planned Dec. 6 change would extend US market access to 23 hours on weekdays, while the SEC is signaling that full 24/7 trading could follow. The move would significantly lengthen the window for investors to trade US-listed assets.
Why it matters
Longer access would bring US markets closer to the continuous trading model already familiar in global digital markets. International investors and institutions could respond to overnight events without waiting for the next regular session, potentially making price discovery more continuous.
Market impact
The shift would increase the importance of overnight liquidity, market infrastructure and risk controls. If the SEC advances 24/7 trading, exchanges, brokers and institutions would face a deeper market-structure transition, with continuous access becoming a standard expectation rather than a niche feature.
Frequently asked questions
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When are US markets set to move to 23-hour weekday trading?
The change is scheduled for Dec. 6. The seed does not specify a year.
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What is the SEC signaling about future trading hours?
The SEC is signaling that full 24/7 trading could follow the planned expansion to 23-hour weekday access.
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How would longer trading hours affect international investors?
International investors could respond to overnight events without waiting for the next regular US market session.
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Why does 24/7 trading matter for market structure?
It would move US markets closer to the continuous trading model used in global digital markets and make always-on access a broader market expectation.
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What would exchanges and brokers need to manage?
They would need to address overnight liquidity, market infrastructure and risk controls as trading access expands.
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