Stock Markets March 4, 2026

Bessent Says 15% Tariff Likely to Take Effect This Week

Treasury chief links tariff shift to broader comments on Iran, shipping insurance and trade frictions with China and Spain

By Priya Menon
Bessent Says 15% Tariff Likely to Take Effect This Week

Treasury Secretary Scott Bessent said on Wednesday that a 15% tariff rate is likely to come into force this week, rising from the current 10% level. Speaking on CNBC, Bessent discussed energy supplies, U.S. control of Iranian airspace, plans to insure ships operating in the Gulf, and trade vulnerabilities involving China and Spain. Separately, President Donald Trump threatened to cut off trade with Spain over defense and base access disputes.

Key Points

  • Treasury Secretary Scott Bessent said a 15% tariff rate will likely take effect this week, up from 10% - impacts trade policy and import costs.
  • Bessent stated the U.S. has "complete control of the Iranian sky" and described crude markets as well supplied, noting significant crude is away from the Gulf - relevant to energy markets.
  • The U.S. will provide insurance for ships in the Gulf and will reach out to ship owners about insuring vessels - relevant to shipping and marine insurance sectors.
  • Bessent said China is "very vulnerable on energy," and criticized Spain for free-riding on NATO allies; President Trump threatened to cut off trade with Spain over defense spending and base access disputes - relevant to defense and international trade.

Treasury Secretary Scott Bessent said Wednesday that a higher tariff rate is expected to be implemented this week, shifting the rate from 10% to 15%.

Speaking in an appearance on CNBC, Bessent covered a range of policy matters that included energy markets, international security and trade relations. He indicated the tariff increase is likely to take effect within the coming days.

On developments related to Iran, Bessent used forceful language to describe the situation, saying that "everything is going magnificently" and asserting that the United States has "complete control of the Iranian sky." He also commented on crude oil supplies, stating that markets are well supplied and that a substantial volume of crude is located away from the Gulf.

Addressing maritime security and commercial operations in the Gulf, the Treasury Secretary said the U.S. will provide insurance coverage for ships in the region. He added that officials will contact ship owners in the coming days about options for insuring vessels operating there.

On trade topics, Bessent characterized China as "very vulnerable on energy," and criticized Spain, calling the country "terrible" while accusing it of free-riding on the United States and other NATO allies.

Those remarks came amid an intensified diplomatic dispute: President Donald Trump on Tuesday threatened to cut off trade with Spain, accusing the NATO ally of failing to meet defense spending commitments and of refusing to permit U.S. forces to use Spanish bases to support operations related to strikes against Iran.


Context and implications - Bessent linked a near-term tariff adjustment to a broader set of security and trade remarks in a single media appearance. He emphasized U.S. military control over Iranian airspace and signaled a government role in underwriting marine insurance in the Gulf, while also highlighting perceived energy vulnerabilities in China and criticizing Spain's actions within NATO.

Risks

  • Implementation of a higher tariff rate could increase trade frictions and affect sectors reliant on imports, including manufacturing and consumer goods.
  • Escalation of diplomatic tensions with Spain, including a threatened trade cutoff, introduces uncertainty for defense logistics and NATO-related basing arrangements.
  • Maritime operations in the Gulf face insurance and security questions; reliance on government-provided insurance could create transitional uncertainty for ship owners and insurers.

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