Will Anthropic IPO by October 15, 2026? Odds fell to 27% on Sep 4, 2026

ResolvedOutcome: NoMove

Will Anthropic IPO by October 15, 2026? On , the market’s odds fell from 68.5¢ to 26.5¢ (-42 pts) within an hour of a news signal, one of a 3-source news cluster, from Reuters. The market has since resolved No.

How did the odds move?

At match68.5¢
+5m48.5¢
+30m29¢
+1h26.5¢
+24h7.5¢
1h move-42 pts

Yes-side prices at the moment the news was matched and at the stamped impact windows after it. Windows the tracker could not measure inside its honesty band are omitted, never estimated.

Later moves the same day

This is the market’s single brief for Sep 4, 2026; further measured moves that day are folded in here as they are stamped.

  • 68.5¢ → 26.5¢-42 ptsafter a signal from Reuters
  • 65.5¢ → 26.5¢-39 ptsafter a signal from dbws.io
  • 48.5¢ → 26.5¢-22 ptsafter a signal from Walter Bloomberg

What moved the odds?

Part of a 3-source news cluster, first seen . The triggering signal is listed first.

NeutralReuters97%match
Exclusive - Anthropic is Expected to Make Its IPO Prospectus Public in Late September, Sources Say
NoReuters98%match
Exclusive - Anthropic is Expected to Begin Marketing Its IPO in Mid-October at the Earliest, Sources Say
YesWalter Bloomberg97%match
ANTHROPIC IS EXPECTED TO MAKE ITS IPO PROSPECTUS PUBLIC IN LATE SEPTEMBER, SOURCES SAY

Where does this market stand now?

This market has resolved No. Final market pricing put YES at 0%, as of .

YES0¢
NO100¢

Vol$247K

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Will Anthropic IPO by October 15, 2026? — live odds, order flow, and the full signal timeline.

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