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The US added Canadian cheese to a 50% tariff list on September 15, 2026, under Section 338 of the Tariff Act of 1930, and banned Canadian whey products outright on September 29. Washington's stated grievance concerns how Canada administers its cheese import quotas, which Canada has not changed.
Tariffs and a whey import ban disrupt US-Canada dairy trade flows, shifting dairy product supply and demand and putting downward pressure on US dairy product prices, including dry whey used in feed.
canadanext.blogCanadaNext EditorNov 15, 2026Not enough comparable past events yet for a historical read.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
