Probable forecastOpen
Iran After Khamenei
Khamenei's death in war has opened an unprecedented succession question in Iran, and CNN reports the new Supreme Leader's whereabouts remain unknown — a deeply uncertain transition with no clear precedent.
Probable’s read
Low confidence. Synthesized from prediction markets, professional analysts, public opinion, and official data.
Iran has only gone through one Supreme Leader transition before (Khomeini to Khamenei in 1989), which took roughly two months. A formal installation within six months is historically plausible if the Assembly of Experts can convene and agree, but CNN's report that the new leader's whereabouts are unknown introduces genuine uncertainty about whether the succession process can proceed normally. No market prices this question and no analyst or poll data from the inputs bears on it directly, so this is a base-rate estimate with low confidence and a wide range.
What’s likely. AP News reported that Iran has begun a dayslong funeral for Khamenei, who was killed in war. CNN's live updates noted that the whereabouts of Iran's new Supreme Leader are unknown as public mourning continues — a phrase that suggests a successor has been designated in some form but is operating under security restrictions. CNN also reported that Iran's regime 'survived the war and is now savvier, ruthless and more hard-line,' suggesting the institutional apparatus to conduct a transition remains intact even under duress. Whether a formal installation occurs within six months depends on how functional Iran's Assembly of Experts proves under wartime conditions — a question the sources do not resolve. Probable's range runs from roughly 40% to 78%.
How Probable got to 62 percent
No prediction market prices Iran's succession timeline. The one historical precedent — the 1989 transition from Khomeini to Khamenei — resolved within weeks once the Assembly of Experts acted, which pushes the base rate toward 'yes' on a six-month window. CNN's reporting that the new leader's whereabouts are unknown is the key complicating factor, introducing genuine uncertainty about whether normal institutional processes can operate. AP News confirmed the funeral is underway, suggesting the regime's public-facing institutions are functioning. We set the estimate at 62% — more likely than not, but with low confidence and a realistic range of 40–78%.
Why it matters to you
The death of Iran's Supreme Leader during wartime is without modern precedent, and the identity and disposition of his successor will shape Iran's posture on nuclear issues, regional conflicts, and relations with the West for years.
What to watch
Any confirmed public appearance or official announcement naming and showing the new Supreme Leader would be the clearest resolution signal; continued silence or conflicting reports would push the probability of timely formal installation lower.
Further reading
- AP News — Khamenei funeral — “Iran begins dayslong funeral for Supreme Leader Ayatollah Ali Khamenei, killed in war”
- CNN — new Supreme Leader — “Whereabouts of Iran's new supreme leader unknown as public mourning of Khamenei continues”
The question we’re forecasting
Will Iran publicly confirm and install a new Supreme Leader by December 31, 2026?
Resolves by December 31, 2026 — then we grade it yes/no on the scoreboard.
From the briefing
This forecast was published in Probable’s briefing on Sunday, July 5, 2026: Sunday on Probable — Storms hit the 250th, France leads the World Cup field, and DOGE officially winds down.
Probable’s forecasts synthesize prediction markets, professional analysts, public opinion, and official data. Drafted with AI from cited sources. Reviewed before publishing. Not financial advice. Methodology · Spot an error?