Case: Middle East Sour Grade Repricing

When refinery demand for sour barrels rises, official selling prices and spot differentials can widen even if Brent is flat.

Key Takeaways

  • Differentials transmit refinery economics into physical trade decisions.
  • Benchmark direction and grade spread direction can diverge for weeks.
  • Freight and quality need to be read together, not in isolation.

References

Last reviewed: 2026-03-21