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Will no Millennium Prize Problem be solved by AI by December 31, 2027?
Which Millennium Prize Problem will AI solve next?
Screened using the explicit question date; payout timing still follows the rules.
Contract resolution rules
The rules track the first qualifying solution announcement by an eligible AI lab. If none occurs by the deadline, they specify "No solution by Dec 31, 2027". If different qualifying problems are announced on the same ET calendar day, the alphabetically first problem wins. However, these named outcomes are not explicitly mapped to the listed Yes/No outcomes.
Conditions for a winning outcome
An eligible lab or its official representative must announce that Birch and Swinnerton-Dyer, Hodge, P versus NP, Riemann, or Yang-Mills existence and mass gap has been solved. The solution must be presented as work of the lab, its researchers, or its models, alone or jointly with outside researchers. Eligible labs are those listed in the source, their subsidiaries and research divisions, plus any other company with a model on MMLU-Pro at announcement time. No confirmation from Clay Math Institute or another organization is required. Official lab information is primary; a consensus of credible reporting may also be used.
Exclusions and exceptions
Navier-Stokes announcements, partial results, and progress announcements do not qualify. Neither do announcements that merely credit or congratulate outside researchers, even if those researchers used the lab's models, compute, or research credits. Announcements by ineligible companies, organizations, or individuals do not qualify. Without a qualifying announcement by the deadline, the rules specify the no-solution outcome.
Timing & resolution
December 31, 2027, at 11:59 PM ET, equivalent to January 1, 2028, at 04:59 UTC. The provider end date matches this deadline.
Ambiguities in the rules
The question asks whether no problem will be solved and lists Yes/No outcomes, but the rules instead resolve to a problem name or "No solution by Dec 31, 2027". They do not explicitly map these to Yes/No. The question suggests Yes means no qualifying announcement, contrary to the draft's claim, but the outcome mismatch remains unresolved.
AI-assisted explanation of this version of the source rules. It does not replace the provider’s terms.
Original resolution rules
Outcome prices and implied probabilities
Compare the quoted price for each outcome. The amounts below assume a $1 payout for a winning share.
Prices describe trading, not certainty or an independent forecast. Bid / ask for the first outcome: 0.34 / 0.36. Market liquidity is not guaranteed fill size.
Fetched 2026-10-23T13:00:09+00:00 · Provider updated 2026-10-23T12:58:05.66909Z
Event contracts and stock returns
A company’s share price, this event’s probability and the return on an event contract answer different questions. A correct company thesis can still miss a contract’s deadline or its exact conditions.
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