The US–Israel military campaign against Iran, launched on 28 February 2026, has entered its 20th day with no ceasefire on the horizon. What began as a targeted strike campaign aimed at permanently denying Iran nuclear capability has evolved into a multi-domain conflict now threatening the global energy system. Day 20 is defined by three compounding developments that have fundamentally reset the strategic landscape. Five scenarios have been tracked across 11 assessment revisions since Day 5.
- Dominant Scenario: Prolonged Attrition (40%) – the conflict has entered a self-reinforcing escalation cycle with no ceasefire in sight.
- Ceasefire Architecture Decapitated: The assassination of Ali Larijani on 17 March eliminated Iran’s primary back-channel interlocutor with the Trump administration. No replacement pragmatist has publicly emerged, leaving the diplomatic infrastructure – CIA back-channel, Oman mediation, Hormuz partial opening – intact but leaderless.
- Energy War Phase Begins: Israel’s strike on Iran’s South Pars gas field (18 March) triggered retaliatory attacks on Qatar’s Ras Laffan LNG complex, Kuwaiti refineries, and a Saudi export terminal. Brent crude hit $118/bbl; European gas surged 30%.
- Ceasefire Probability: 18% – down from a peak of 40% on Day 14, its lowest since Day 8.
- Regional Escalation Risk: Rising to a series high of 27%, driven by Qatar’s military engagement (Su-24 shootdown) and Saudi Arabia’s military threats.
- Resolution Window: Mid-to-late April per the Pentagon’s 4–6 week timeline. The primary catalyst to watch: emergence of a new Iranian ceasefire interlocutor, or sustained US gas prices above $4.00/gallon forcing a domestic political inflection point.
Full scenario analysis, probability matrix, market indicators, and priority watch items for the next 10 days are detailed in the attached brief. An update to the scenarios will be released in the event of a major development in the conflict.
Please do not hesitate to reach out to Richelieu Invest team should you wish to discuss any aspect of this assessment.
