Goldman Sachs Warns Brent Could Hit $120 If Hormuz Disruptions Persist Through Q4

The Quick Take

• Goldman Sachs warns Brent crude could exceed $120 if Hormuz disruptions persist into Q4
• Strait of Hormuz handles approximately 20% of global seaborne oil trade — critical chokepoint
• Stress scenario not Goldman's base case but geopolitical risk premium remains elevated

The Strait of Hormuz — the narrow waterway between Iran and the Oman Peninsula — handles approximately 20% of the world's seaborne oil trade, including the majority of Gulf Cooperation Council exports. Goldman Sachs has published a scenario analysis warning that if military disruptions to tanker traffic through Hormuz materialize and persist through Q4 2026, Brent crude prices could rally above $120 per barrel. Iran's demonstrated ability to use naval assets and proxy forces to threaten shipping in the region — most recently through Houthi Red Sea operations and Iranian naval exercises in the Strait — makes this a non-trivial risk scenario. Current Brent prices would require a 30-40% increase to reach Goldman's stress scenario ceiling.

For global markets, a Brent spike toward $120 would have cascading inflationary effects across every major economy. Energy-intensive industrial processes, transportation, and agricultural production would all face cost shocks. Central banks navigating the final mile of inflation reduction would face renewed pressure. Equity markets — particularly consumer discretionary, airlines, chemicals, and transportation sectors — would face significant headwinds. Conversely, energy sector equities, oil service companies, and LNG producers would benefit dramatically. The asymmetry of Goldman's stress scenario makes energy sector positioning particularly important for portfolio hedging in Q3 2026.

Key variables to monitor include tanker traffic data through the Strait of Hormuz from vessel tracking services, Iranian nuclear negotiation status, US military posture in the Persian Gulf, and weekly US crude oil inventory reports which would show any supply disruption impact. Strategic petroleum reserve releases from the US, IEA, and member states would provide a demand offset buffer. The IEA's monthly oil market report provides the most authoritative supply-demand balance assessment. Any diplomatic de-escalation between Iran and Gulf states or the US — including renewed nuclear deal progress — represents the primary downside risk to Goldman's stress scenario.

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