Will OpenAI announce another Millennium Prize solution by December 31, 2026? Odds jumped to 55% on Sep 17, 2026

Will OpenAI announce another Millennium Prize solution by December 31, 2026? On Sep 17, 2026, 14:01 UTC, the market’s odds jumped from 43.5¢ to 54.5¢ (+11 pts) within an hour of a news signal, one of a 2-source news cluster, from theinformation.com.

How did the odds move?

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 17, 2026; further measured moves that day are folded in here as they are stamped.

• Sep 17, 2026, 14:09 UTC43.5¢ → 54.5¢+11 ptsafter a signal from stockmktnewz

What moved the odds?

Part of a 2-source news cluster, first seen Sep 17, 2026, 14:09 UTC. The triggering signal is listed first.

Where does this market stand now?

The market prices a 68% chance that this market resolves YES, as of Sep 17, 2026, 19:09 UTC.

Vol$53K

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Will OpenAI announce another Millennium Prize solution by December 31, 2026? — live odds, order flow, and the full signal timeline.

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