US Dollar Hovers Near 3-Month Low on Trade Tensions, Iran Sanction Threats

The U.S. dollar remained near a three-month low in European trading on Monday, struggling to recover from last week's approximate 1% loss. The Dollar Index saw a minor uptick of 0.12% to 98.88, but sentiment was weighed down by a combination of escalating trade disputes, geopolitical risks, and skepticism over the effectiveness of U.S. Treasury interventions.

Geopolitical and Trade Headwinds

A sharp escalation in North American trade tensions pressured currency markets, with the Canadian dollar falling 0.4% against its U.S. counterpart. The move followed a breakdown in U.S.-Canada trade negotiations, which prompted Washington to impose a 50% tariff on $20 billion worth of Canadian imports. Canada has announced it will implement equivalent retaliatory tariffs starting September 8.

Markets are also bracing for new geopolitical uncertainty. U.S. Treasury Secretary Scott Bessent is expected to hold a press conference detailing what officials have termed the "largest coordinated economic isolation campaign in history" against Iran. The threat of secondary sanctions against any entity trading with Tehran has sparked widespread concern over potential supply chain disruptions.

Fiscal Concerns Undermine Dollar

Investor confidence in the dollar has been dampened by the limited impact of recent U.S. Treasury actions. Last week, Washington doubled the single-operation cap for its long-term bond buybacks to $4 billion to support market liquidity. However, traders quickly looked past this technical measure, focusing instead on the nation's more than $40 trillion debt burden and its nearly $1.8 trillion annual fiscal deficit.

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The consensus is that sustained, large-scale Treasury issuance will continue to exert upward pressure on long-term yields. This dynamic is undermining the dollar's traditional interest-rate advantage and keeping bullish positions subdued.

Key Catalysts on the Horizon

Foreign exchange traders are positioning for several key events later this week. On Wednesday, second-quarter earnings from Nvidia Corp (NVDA) will serve as a crucial test for high-valuation tech stocks and broader risk sentiment.

Later in the week, all eyes will turn to the Jackson Hole Economic Symposium. On Friday, Federal Reserve Chairman Kevin Warsh is scheduled to deliver his first keynote address, where investors will seek clarity on whether the central bank will maintain its current policy stance or respond to persistent energy-driven inflation.