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Will insurers raise Persian Gulf war-risk premiums by 25% by 5 November 2026?

probability 80% deadline 2026-11-05 (26d left) Finance

Posted 2026-10-10 — 26 days before the deadline, stated before the outcome.

Marine insurers and Protection and Indemnity clubs set premiums based on the perceived risk of maritime routes. The Strait of Hormuz is a critical chokepoint for global oil trade, making its security status a key factor in shipping insurance costs.

The claim

At least one named insurer or P&I club publicly raises war-risk premiums for vessels transiting the Persian Gulf or Strait of Hormuz by at least 25% versus August 2026 levels, as reported by Lloyd's List, TradeWinds, or Reuters by 2026-11-05.

Reasoning trace

  1. Multiple tanker strikes inside Persian Gulf
  2. IRGC threatens expansion beyond Hormuz
  3. Lloyd's Joint War Committee reviews listed areas
  4. Named insurer repricing is reported by trade press

Evidence so far

0 confirming · 0 denying signals · 2 verified · 0 broken assumptions. The evidence itself is part of the full dossier.

Probability history

Updated 1 time since mint (last on 2026-10-10) — 81% at mint → 80% today.

What to watch

  • leading indicator Lloyd's Joint War Committee publishes a public circular or notice listing the Strait of Hormuz as a war-risk area with specific rate increases or new brackets
  • precondition A named P&I club or marine insurer issues a public notice or circular to members announcing an increase in war-risk premiums for the Persian Gulf or Strait of Hormuz
  • leading indicator Lloyd's Joint War Committee publishes an update to its list of war-risk areas including the Persian Gulf or Strait of Hormuz

The full dossier behind this prediction — the evidence trail, the risk analysis, the monetization scenarios — is available on request: [email protected].

Probabilities are calibrated against the system's own resolved history; after the deadline the outcome is resolved and audited — including the calls we get wrong. Nothing on this page is investment advice.