BREAKING

Trump Issues 10% NATO Tariff Threat Amid Escalating Iran Crisis

Sunday, January 18, 2026 | 18:00 ET

What Happened

Global markets are bracing for a volatile Monday open following two major geopolitical developments over the weekend. President Trump announced a 10% tariff on eight NATO allies, effective February 1, unless Denmark agrees to the sale of Greenland. Simultaneously, the situation in Iran has deteriorated from localized protests into a full-scale humanitarian catastrophe, with the National Bazaar Strike entering its second day. These events coincide with a 75% collapse in Venezuelan oil exports and a massive Northeast blizzard disrupting U.S. aviation logistics.

  • Action: 10% tariffs proposed for 8 NATO nations, escalating to 25% by June.
  • Expectation Was: Markets expected continued diplomatic negotiations regarding NATO defense spending.
  • Surprise Factor: The direct linkage of trade tariffs to the Greenland acquisition is an unprecedented policy shift.

Market Reaction

  • S&P 500 (GSPC): Closed Friday at 6,940.01 (-0.06%), futures expected to open lower.
  • 10-Year Treasury Yield (TNX): Rose to 4.23% (+6 bps), a 4.5-month high.
  • Brent Crude (BZ=F): Priced at $64.13 per barrel (+0.58%) on Sunday.
  • VIX (VIX): Closed Friday at 15.71, expected to spike on the open.

The rise in bonds yields reflects growing concern over inflationary tariff policies and fiscal uncertainty. Energy markets are already pricing in supply risks, with WTI Crude (CL=F) gaining 1.22% to reach $59.80.

Key Context

The tariff threat targets key European allies, potentially fracturing the NATO alliance at a time of heightened Middle Eastern instability. In Iran, the bazaar strike represents a significant escalation in civil unrest, which traditionally precedes major shifts in regional energy output. Furthermore, the 75% plunge in Venezuelan oil exports since January 3, following the removal of the Maduro administration, has already tightened global supply. Domestically, the Northeast blizzard has grounded over 2,000 flights, threatening to impact Q1 transportation and logistics data.

What to Watch

  • Monday morning futures open for S&P 500 (GSPC) and Nasdaq Composite (IXIC).
  • Official responses from the European Union and NATO leadership regarding the Greenland ultimatum.
  • The White House's final decision on the Fed Chair nomination, with Kevin Warsh currently favored over Kevin Hassett.

This story is developing. This post will be updated as more information becomes available.

Last Updated: January 18, 2026, 18:05 ET