Markets on Edge as Trump's Iran Deadline Looms, Oil Prices Choppy

By Anna Szymanski

NEW YORK, April 7 (Reuters) - Financial markets opened the week in a familiar state of nervous anticipation on Tuesday, as traders globally focused on a looming U.S. ultimatum to Iran, testing the fragile calm that has prevailed in recent sessions.

The immediate trigger is a deadline set by President Donald Trump for Tehran to reopen the vital Strait of Hormuz to commercial traffic. With Iran showing no signs of compliance and rejecting a proposed ceasefire, investors are bracing for the possibility of a military escalation that could send oil prices soaring, or yet another diplomatic extension that would prolong the uncertainty.

"The market is pricing in a binary outcome: a spike or a sigh of relief," said Marcus Thorne, a veteran strategist at Helios Capital in London. "But the underlying anxiety is about a prolonged period of disrupted energy flows and what that means for global growth, which was already facing headwinds."

Oil markets reflected the tension, with Brent crude futures swinging in early trading, briefly touching $111 per barrel before retreating. U.S. West Texas Intermediate (WTI) crude hovered around $113 after a volatile session. The Strait of Hormuz is a chokepoint for about a fifth of the world's seaborne oil, making its status a primary concern for energy traders.

Equity markets showed tentative moves. Major Asian indexes were largely flat, shrugging off a bullish profit forecast from Samsung Electronics. European shares edged higher at the open, while U.S. stock futures pointed to a muted start, following modest gains on Monday fueled by reports of ongoing, though so far fruitless, mediation efforts.

The U.S. dollar held near multi-month highs, while the Japanese yen remained weak, trading near 160 per dollar. The currency moves underscore a broader flight to safety and the divergent monetary policy paths between the U.S. and Japan.

Adding complexity to the geopolitical risk, fresh economic data hinted at building inflationary pressures. A key U.S. services sector survey showed input prices rising at their fastest pace in over 13 years, a worrying signal ahead of Friday's crucial Consumer Price Index (CPI) report.

The International Monetary Fund (IMF) amplified these concerns on Monday. Managing Director Kristalina Georgieva warned that the combined effect of regional conflicts and supply chain disruptions points uniformly toward "higher prices and slower growth" for the global economy.

Market Voices:

"We've seen this movie before. The deadline comes, the rhetoric peaks, and then it gets pushed back. The market is becoming desensitized to the threats, but not to the actual risk of a supply shock. That's what keeps me up at night." - David Chen, Portfolio Manager, Aspen Peak Investments.

"This is reckless brinkmanship. The constant cycle of deadlines and threats injects pure volatility into markets, distorting price signals and punishing long-term investors. It's policy via tweet, and the global economy is the collateral damage." - Rebecca Shaw, Chief Economist, The Atlas Initiative (a non-partisan think tank).

"Honestly, the focus is too narrow. Yes, watch the Strait, but also watch Treasury yields and the Fed. If inflation data surprises on the upside this Friday, the Fed's reaction function could shift, and that would outweigh a temporary oil spike. The macro backdrop is turning toxic." - Michael Park, Head of Global Fixed Income, Sterling & Vale.

"It's an absolute circus. The President threatens to 'take out' a nation 'in one night' and we're supposed to calmly analyze market technicals? This isn't investing; it's gambling on geopolitical tantrums. The system is broken." - Sarah J. Miller, Independent Trader and financial commentator (expressed via social media).

Key Events Ahead:

• U.S. Durable Goods Orders for February (08:30 EDT)
• U.S. 3-Year Note Auction (13:00 EDT)
• Speeches from Federal Reserve officials Philip Jefferson, Austan Goolsbee, and Mary Daly.

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