Prediction Held up AI assessment confidence: 95% certainty 4/5 debate potential 2/5

Friedman: Official market open and close will persist in 24/5 trading

Adena Friedman · Nasdaq CEO Reveals the Next Era Of The Stock Market - Adena Friedman | All-In Summit · Sep 9, 2025 · at 6:29

Adena Friedman, CEO of Nasdaq, addresses concerns from co-host Jason Calacanis regarding the loss of trading day routine under expanded market hours.

0:00 / 0:04exact quote · 4.9s

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“The market open and the market close will continue to exist in a world of 24 five markets.”

quote is from the automated transcript, cleaned for reading: filler sounds and stutters are removed, nothing is rephrased. names can be misheard (the analysis reads context, assessments check outside sources). how →

The claim, plainly

The standard stock market open and market close official windows will continue to exist even in a 24/5 trading market environment.

a quote alone can be ambiguous, so this restates it with the references and context of the conversation around it resolved. AI-written; the tape below the player is the source.

Assessment

The resolution criteria state that if US equity exchanges like Nasdaq move toward or adopt 24/5 trading schedules, official market open and close mechanisms (such as opening and closing crosses/auctions) must remain defined and active in official exchange rulebooks and SEC filings. Approved SEC filings and exchange rule updates from Nasdaq (SR-NASDAQ-2025-109 / SEC Release No. 34-105199) and NYSE Arca (Release No. 34-102400) explicitly maintain the traditional Regular Market Hours (9:30 a.m. to 4:00 p.m. ET) and preserve the official Opening Cross and Closing Cross mechanisms as the primary market benchmarks.

In April 2026, the SEC approved Nasdaq's 23/5 rule change (Release No. 34-105199), which explicitly retains the Nasdaq Opening Cross at 9:30 a.m. ET and Closing Cross at 4:00 p.m. ET within its Regular Market Hours.
NYSE Arca's approved 22/23-hour expansion (Release No. 34-102400) retains the Core Trading Session (9:30 a.m. to 4:00 p.m. ET) and its associated open auction mechanisms.

Checked against

[1] sec.gov [2] sec.gov [3] stblaw.com [4] thecorporatecounsel.net [5] federalregister.gov [6] cooley.com [7] nasdaq.com [8] stblaw.com

24X National Exchange SEC approval opening closing cross market hours US equity exchanges 24 5 trading opening closing auction SEC rule Nasdaq 24 5 stock trading SEC filings opening closing auction NYSE Nasdaq overnight 24 5 market open close auctions

assessed as of 2026-07-30

This assessment is an AI reading of a public statement, made against the cited references with the confidence shown. It can be wrong. The quote, the tape and the references are all on this page; if something is off, use report an error below. full disclaimer →

Mentioned

24/5 markets market open and market close

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