Goldman Sachs has raised its Brent oil forecast from $77 to $85 per barrel in 2026 due to geopolitical tensions surrounding Iran. Analysts warn that prolonged supply disruptions through the Strait of Hormuz could push prices to $100 per barrel. Key points: 1. Forecast raised by 10% ($77 → $85) due to the war with Iran 2. Risk of increase to $100 if disruptions occur in the Strait of Hormuz 3. Europe is already facing an aviation fuel crisis due to reduced supplies 4. Geopolitics is becoming a key driver of oil prices in 2026 This creates demand for in-depth analysis for traders and investors seeking expert forecasts amid instability.