Will Anthropic IPO by October 31, 2026? Odds fell to 4% on Sep 18, 2026

OpenMove

Will Anthropic IPO by October 31, 2026? On , the market’s odds fell from 15¢ to 3.6¢ (-11.4 pts) within an hour of a news signal, one of a 3-source news cluster, from News.

How did the odds move?

At match15¢
+5m8.5¢
+30m5.5¢
+1h3.6¢
1h move-11.4 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.

What moved the odds?

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

NeutralNews94%match
*ANTHROPIC PLANS TO STAGE ITS IPO IN NOVEMBER: WSJ

Where does this market stand now?

The market prices a 9% chance that this market resolves YES, as of .

YES9¢
NO92¢

Vol$902K

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Will Anthropic IPO by October 31, 2026? — live odds, order flow, and the full signal timeline.

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