Executive Summary
Satellite signatures combined with AIS vessel tracking and OSINT currently indicate elevated refinery activity in US/Europe amid global disruptions, but severe anomalies in Middle East tanker flows through the Strait of Hormuz. As of mid-June 2026, Hormuz transits are near-historic lows (often <10 vessels/day, down 70-97% from baseline), with widespread "dark" operations…
Executive Summary
The 3:2:1 crack spread serves as a primary proxy for gross refining margins, calculated as:
3:2:1 Crack Spread=2×PGasoline (bbl)+1×PDistillate/Heating Oil (bbl)−3×PCrude (bbl)3\text{3:2:1 Crack Spread} = \frac{2 \times P_{\text{Gasoline (bbl)}} + 1 \times P_{\text{Distillate/Heating Oil (bbl)}} - 3 \times P_{\text{Crude (bbl)}}}{3}
where prices are typically futures-settled (e.g., WTI/RBOB/NYH HO for USGC benchmarks; Brent equivalents or regional baskets for Europe).…
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