Brent Versus WTI: Why Two Oil Prices

Traders see two crude oil prices quoted side by side and often wonder which is the real one. Both are. Brent is the benchmark for oil produced in the North Sea and, by extension, for most of the oil traded by sea around the world. The US benchmark is priced at a storage hub inland in the United States and reflects conditions in the North American market. They track each other closely most of the time and diverge when something local happens to one of them.

What makes them different

• Location: Brent is seaborne and reaches global buyers easily; the US grade is landlocked and depends on pipelines and export terminals to reach the coast
• Quality: both are light and low in sulphur, but small differences in grade affect what refineries will pay
• Delivery: the contracts settle differently, with the US contract tied to physical delivery at its hub and Brent to a basket of North Sea cargoes
• Market: Brent responds more to events in the Middle East, Europe and Asia; the US grade responds more to US production, inventories and pipeline capacity

The spread

The gap between the two prices is watched as a market in itself. When US production rises faster than export capacity, the US grade becomes cheap relative to Brent and the spread widens. When exports flow freely or US inventories fall, the spread narrows. A sudden widening often signals a bottleneck in the US system; a sudden narrowing often signals global tightness that is pulling US oil to the coast.

Which one to trade

For a trader through a broker, the two contracts behave similarly day to day, and the choice comes down to the hours and the news you follow. The US grade moves most around the weekly US inventory report and during US hours. Brent moves more on international supply news and during European hours. Spreads and liquidity differ by broker and should be checked before choosing.

Reading the pair together

When both rise together, the story is global: demand, producer decisions, geopolitical risk. When one moves and the other does not, the story is local, and the local news will explain it. A trader who follows both has a built-in check on whether a move is about oil or about one region.

What to watch

Watch the spread between the two benchmarks for signs of US bottlenecks or global tightness, the hours when each is most active, and whether a move is shared or isolated. A move in one benchmark that the other does not confirm is usually a local story and usually shorter.