What it is
An anti-dumping duty is a punitive tariff levied on imported goods that are sold at a price lower than their production cost or domestic market price in the exporting country, a practice known as dumping. Governments impose these duties to protect domestic industries from unfair competition, which can harm local producers by driving down prices and market share. The importing country's authorities investigate claims of dumping and determine if it causes material injury to the domestic industry before imposing the duty.
Anti-dumping duties frequently appear in trade disputes, impacting the cost of specific imported goods and the profitability of both foreign exporters and domestic importers. When imposed, these duties increase the price of the dumped imports, making them less competitive and potentially shifting consumer demand towards domestic alternatives. Investors follow these announcements to gauge their effects on supply chains, corporate earnings for affected companies, and the broader trade relations between countries.
Why it matters
Anti-dumping duties can raise prices for imported goods you buy and impact the competitiveness of companies in your portfolio. They signal trade tensions.
Reviewed under editorial standardsUpdated September 26, 2026Not investment advice