Heavy Canadian crude oil rallied on Tuesday as geopolitical risk in the Middle East began to shift global barrels in real time.
The Great Western Canada option strengthened in Alberta at a discount of $11.80 to the West Texas Intermediate monthly average, according to modern commodity prices. This marks the narrowest gap since November and is a clear signal that heavy crude alternatives are suddenly in favor.
The move comes as Iraq begins to cut production by about 1.6 million bpd due to the Strait of Hormuz crisis. Iraqi grades such as Basra Heavy are the main supply streams for Asian refiners set to run heavy, high-sulfur crudes. When that barrel is threatened, reformers don’t wait around, they start bidding for heavier alternatives.
Western Canada’s selection is one of the few large-scale heavyweights that can fill that gap.
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WCS’s sharp divergence also reflects the widening revision already seen in global benchmarks. Brent’s premium to Dubai has worsened due to traders’ prices with risk of disruption linked to the Persian Gulf. While Dubai-bound barrels remain tied to Middle East flows, Atlantic Basin prices are reacting to the possibility that a portion of Gulf supply could be constrained.
Canadian heavyweights just became more relevant.
From Alberta, barrels head west through the Trans Mountain into the Pacific, putting Canadian crude in the hands of Asian refiners who typically source 50% to 70% of their imports from the Gulf.
If Iraq’s dams deepen or Hormuz traffic remains unstable, heavy crude markets are likely to tighten. Discount compression in Alberta suggests that refiners are already in place.
By Julian Geiger for Oilprice.com
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