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Bar chart comparing Brent crude oil's sharp jump to the near-flat moves in equities, bonds, and the Canadian dollar.

A US naval blockade of Iranian ports, confirmed to take effect at 4 p.m. Eastern Tuesday, pushed Brent crude higher while equities, bonds, and the Canadian dollar showed almost no reaction. That muted currency response is notable because USD/CAD has historically tracked oil prices closely, given Canada's position as a net energy exporter. Behavioural economists attribute the narrowing response to diminishing sensitivity to repeated shocks, a pattern that can be mistaken for markets having correctly priced the risk rather than having simply grown used to it.

This chart is presented for general informational purposes only and does not constitute financial, investment, tax, or legal advice. Figures reflect the source and period indicated and may no longer be current.

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