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Early indications of Trump tariffs include key US sour crude grades

Dealers said that spot prices for an important U.S. sour grade crude oil surged by about 60% on February 2, a sign early indication that President Donald Trump’s tariffs against Canada and Mexico are beginning to disrupt the global oil trade. Trump's tariffs of 10% on Canadian oil imports and 25% on Mexican imports took effect on Tuesday night. The combined oil exports from the two countries represent about one quarter of the crude oil that U.S. refiners use. This move will force buyers to look for alternative cargoes or pay more money for their usual supplies.

Brokers said that Mars Sour, an American medium sour oil produced in the U.S. Gulf of Mexico region, traded intraday for a premium of $3.60 to U.S. Crude Futures. This was compared to a premium of $2.25 on Monday.

Later in the session, the grade eased to a $2.75 premium per barrel.

A trader stated that Mars is a more attractive alternative than grades like Isthmus (a sour crude from Mexico), which has led to its price increase. The density and sulfur content of crude grades determines their properties and uses. Some refineries are better suited to accept certain grades due to their complex infrastructure. This makes matching alternative options a key part of the equation for trading crude. Prior to the tariffs, Canada's grades were under pressure. On Monday, the discount between U.S. crude oil futures and Western Canada Select heavy crude widened to $13.60 per barrel.

One trader in Latin America said that dealers were "pray[ing] for another pause" in the tariff implementation. He added that prices were largely stable, as most of the cargoes for Latin America's top grades for delivery April were sold out.

Trump's administration ordered on Tuesday that Chevron be denied a license to export and operate oil in Venezuela. This is expected to further reduce the amount of heavy grades available to U.S. refiners. Rory Johnston is a Toronto-based energy expert and the founder of Commodity Context's newsletter. He said that the real tariffs effect has been slowly creeping into the market for some time. Now the question is how long this will last and what we do next.

Another trader stated that some of the volatility Tuesday was due to panic buying, since the market had been waiting until now to see if Trump would go ahead with tariffs.

A fourth trader stated, "The shoe has dropped and traders have begun to price in tariffs." Energy Information Administration data show that the United States imported oil at a rate of nearly 6.6 millions barrels per day in December. Canada shipped 4.2 million barrels per day, and Mexico 451,000. (Reporting and editing by Nia William, Arathy McCartney Georgna McCartney Marianna Pararaga, Amanda Stephenson, Stephanie Kelly)

(source: Reuters)