Will Keir Starmer be the next Secretary General of NATO
Liquidity-weighted aggregate sits at 8% across 8 Kalshi contracts.
Implied probability
Kalshi
8%
8 contracts
Polymarket
—
not bound
Cross-venue gap
—
single venue
24h move
—
no pin
24h volume
$235
8 contracts
Closes
Jan 8, 2099
26436 days
30-day trend
Bracket families
8 clusters across 8 contracts.
These contracts were grouped by title similarity. The headline aggregate combines all clusters; verify the cluster you actually need before quoting a number.
Cluster 1
Will Alexander Stubb be the next Secretary General of NATO
Will Alexander Stubb be the next Secretary General of NATO?: Alexander Stubb
KXNEXTNATOSECGEN-99-ASTU
Cluster 2
Will Ben Wallace be the next Secretary General of NATO
Will Ben Wallace be the next Secretary General of NATO?: Ben Wallace
KXNEXTNATOSECGEN-99-BWAL
Cluster 3
Will Klaus Iohannis be the next Secretary General of NATO
Will Klaus Iohannis be the next Secretary General of NATO?: Klaus Iohannis
KXNEXTNATOSECGEN-99-KIOH
Cluster 4
Will Kaja Kallas be the next Secretary General of NATO
Will Kaja Kallas be the next Secretary General of NATO?: Kaja Kallas
KXNEXTNATOSECGEN-99-KKAL
Cluster 5
Will Keir Starmer be the next Secretary General of NATO
Will Keir Starmer be the next Secretary General of NATO?: Keir Starmer
KXNEXTNATOSECGEN-99-KSTA
Cluster 6
Will Mette Frederiksen be the next Secretary General of NATO
Will Mette Frederiksen be the next Secretary General of NATO?: Mette Frederiksen
KXNEXTNATOSECGEN-99-MFRE
Cluster 7
Will Petr Pavel be the next Secretary General of NATO
Will Petr Pavel be the next Secretary General of NATO?: Petr Pavel
KXNEXTNATOSECGEN-99-PPAV
Cluster 8
Will Ursula von der Leyen be the next Secretary General of NATO
Will Ursula von der Leyen be the next Secretary General of NATO?: Ursula von der Leyen
KXNEXTNATOSECGEN-99-ULEY
Analysis
This probability reflects the chance that UK Prime Minister Keir Starmer becomes NATO's next Secretary General, currently trading at 9% on prediction markets. NATO Secretary General positions typically go to senior figures with strong diplomatic credentials and support from member states, with the next scheduled election occurring in 2026. Starmer's relatively low probability reflects that other European political leaders—particularly Kaja Kallas, Ben Wallace, and Alexander Stubb—are viewed as more likely candidates by traders. The position requires consensus among NATO members, and UK domestic political constraints may limit Starmer's viability. Key drivers would be changes in NATO member preferences, developments in European geopolitics, or unexpected withdrawals by frontrunner candidates that shift the selection dynamics.
- ›Kaja Kallas is trading at 6¢ across multiple contracts—significantly higher than Starmer at 9¢—suggesting markets view other European leaders as stronger candidates for the role
- ›NATO Secretary General elections require broad consensus among 32 member states; a sitting UK Prime Minister managing domestic governance may face practical constraints as a candidate
- ›Ben Wallace (6¢) and other defense-focused European figures have more recent institutional experience with NATO structures than Starmer
- ›The Secretary General election timing and any official announcements from current leadership or prospective candidates would provide material new information to resolve uncertainty
- ›Starmer's probability could shift substantially if frontrunner candidates withdraw or if UK-NATO relations become a dominant political factor reshaping member preferences
What moved the line
- Aug 20Kaja Kallas↓9pp14→5¢ · Kalshi
- Aug 20Alexander Stubb↑7pp12→19¢ · Kalshi
- Aug 17Alexander Stubb↓6pp24→18¢ · Kalshi
- Aug 19Alexander Stubb↓6pp18→12¢ · Kalshi
- Aug 18Klaus Iohannis↓5pp10→5¢ · Kalshi
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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.
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How we compute these odds
SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.
For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.
Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.
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