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- "Yes – Moves Closer" is the 1/3 favourite outcome for the 2027 Doomsday Clock announcement
- "No" is priced at 6/4, with implied probability of 40%
- The Bulletin of the Atomic Scientists has moved the clock closer to midnight in most recent annual updates
Bookmakers Price A Sombre Special
Betting sites continue to price up one of the more sobering specials markets of the year, with the next Doomsday Clock movement at 1/3 to push closer to midnight in 2027.
Bookies have responded to a sustained pattern of annual adjustments by the Bulletin of the Atomic Scientists, with the symbolic timepiece, maintained since 1947, now widely regarded as one of the most closely watched indicators of expert consensus on global existential risk.
A 1/3 quote on the "Yes" outcome implies a 75% probability that the clock moves closer to midnight when the Bulletin publishes its next update.
That's a remarkably short price, and it reflects the underlying structural pattern of recent years: nuclear instability, climate trajectory, and emerging risks from artificial intelligence have driven the Bulletin's board of sponsors, which includes multiple Nobel laureates, to move the clock progressively closer to midnight across most of the past decade.
Doomsday Clock 2027 Movement Odds At A Glance
| Doomsday Clock 2027 Movement | Odds | Implied Probability |
|---|---|---|
| Yes – Moves Closer To Midnight | 1/3 | 75.0% |
| No – Stays The Same Or Moves Back | 6/4 | 40.0% |
What The Doomsday Clock Actually Measures
The Doomsday Clock isn't a literal countdown, but a metaphorical representation of how close, in the considered view of the Bulletin of the Atomic Scientists, humanity sits to global catastrophe.
It was founded in 1947 by scientists who had worked on the Manhattan Project, originally as a way of communicating nuclear risk to a non-specialist public.
Today, the clock factors in a much broader set of inputs. Nuclear weapons remain the central concern, but climate change has been formally incorporated into the assessment since 2007, and the Bulletin has progressively integrated risks from emerging technologies, particularly artificial intelligence, biosecurity threats, and the breakdown of arms-control agreements, into its annual review.
Why The "Yes" Price Is So Short
A 75% implied probability for the clock moving closer to midnight reflects the Bulletin's recent track record.
Across the past decade, the clock has moved closer to midnight in most years, with periodic pauses but very few backward steps. The trajectory has been overwhelmingly in one direction.
The continuing pressures on nuclear arms-control architecture, the trajectory of global emissions relative to climate targets, and the rapid acceleration of artificial intelligence capability without corresponding governance frameworks have all featured prominently in recent annual statements.
None of those underlying drivers has eased meaningfully over the past 12 months, which is what the 1/3 price is essentially registering.
What the expert says...
Where To Bet On The Doomsday Clock Market
Long-form specials markets like the Doomsday Clock are some of the more unusual books on the betting calendar, and they tend to draw interest from punters who follow geopolitics, science policy, and existential risk discussion closely.
The best entertainment betting sites tend to be quickest to open novelty markets like this, and most major betting sites will offer specials in some form when the cultural moment supports it.
