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Dollar perched near six-week high on uncertainty over US-Iran deal - Finance news and analysis from Global Banking & Finance Review
Finance

Dollar perched near six-week high on uncertainty over US-Iran deal

Published by Global Banking & Finance Review

Posted on May 22, 2026

4 min read

· Last updated: May 22, 2026

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Dollar near six-week high amid Iran war jitters

By Karen Brettell and Amanda Cooper

Market Reactions and Central Bank Responses

NEW YORK/LONDON, May 22 (Reuters) - The dollar held near six-week highs on Friday as traders weighed the prospects of a near-term deal to end the Middle East war and assessed whether the Federal Reserve would raise interest rates if inflation continued to accelerate.

Middle East Tensions and U.S.-Iran Negotiations

The United States has seen some progress towards a deal with Iran but more work is required, Secretary of State Marco Rubio said on Friday, while Iran's foreign ministry spokesman said the two sides' differences were deep and significant.

Traders are increasingly concerned that ongoing energy disruptions will filter through to core consumer prices, potentially forcing a tighter monetary policy response.

Federal Reserve Policy Outlook

"The key question now, of course, is if the Fed is going to hold," said Noel Dixon, global macro strategist at State Street. So far, inflation pressures feeding into the Fed's preferred gauge — Personal Consumption Expenditures — have remained relatively contained, Dixon said, supporting the case for keeping rates steady.

However, he cautioned that "the risk to my view is that Trump resumes attacks on Iran in an aggressive fashion. That could be a catalyst for greater interest rate volatility, and that could cause the Fed to panic and seriously consider a hike."

Fed funds futures traders are pricing in 50% odds of a rate hike by October.

U.S. Consumer Sentiment and Inflation

The University of Michigan's Surveys of Consumers on Friday showed that U.S. consumer sentiment plunged to a record low in May as surging gasoline prices fueled anxiety over worsening affordability, while inflation expectations also rose.

Fed Leadership and Policy Shifts

Fed Governor Christopher Waller, an influential voice in policymaking who until recently had advocated for lower interest rates, said on Friday the U.S. central bank should axe the "easing bias" from its policy statement and effectively open the door to a possible rate hike.

Kevin Warsh was also sworn in as Fed leader on Friday.

Currency Movements and Global Economic Impact

The dollar index, which measures the greenback against a basket of currencies including the yen and the euro,rose 0.04% to 99.24, with the euro down 0.06% at $1.1611.

The pound strengthened 0.11% to $1.3444, having shrugged off data earlier that showed retail sales dropped by the most in nearly a year in April, as consumers felt the pinch of the inflationary effects of the Iran war.

Growth concerns are also impacting currencies, with the U.S. seen having a stronger outlook than many peers.

Australian Dollar and Employment Data

Australia, meanwhile, is grappling with jet fuel and diesel shortages that threaten to drag on key industries. Dixon warned that potential fallout, including layoffs, may be difficult to reconcile with current expectations for as many as three rate hikes this year.

The Australian dollar weakened 0.15% versus the greenback to $0.7136.

Australian employment unexpectedly fell in April while the jobless rate jumped to the highest level since late 2021, a possible sign the labour market might be loosening enough to stave off a near-term interest rate hike.

Yen Under Pressure

Impact of Dollar Strength and Oil Prices

UNDER PRESSURE

The U.S. dollar's strength and persistently high oil prices have spelled pain for the yen, which on Friday fell  0.1% against the greenback to 159.11 per dollar. 

The yen remains fragile even after what was likely intervention by Tokyo just weeks ago to prop it up — it has since surrendered nearly 75% of those gains, keeping traders on alert for further action by Japanese authorities.

Bank of Japan Policy and Inflation Data

"It's just buying time, really. What they need is a change in fundamentals, and I think the best thing that could happen is a quick deal to end the Iran conflict," said Lee Hardman, a currency strategist at MUFG.

The Bank of Japan is expected to raise borrowing costs only gradually, while other central banks — including the European Central Bank — are likely to move far more quickly, putting the yen at a disadvantage with yield-seeking investors.

Data on Friday showed Japan's core inflation slowed to a four-year low in April, complicating the outlook for BOJ policy.

Reporting Credits

(Reporting by Karen Brettell and Amanda Cooper; Additional reporting by Rae Wee in Singapore; Editing by Alex Richardson and Nick Zieminski)

Key Takeaways

  • Dollar stays close to six‑week high amid mixed signals on U.S.‑Iran peace talks and robust U.S. economic indicators such as low jobless claims and strong manufacturing activity
  • Japan’s core inflation slowed to its lowest in four years in April, complicating BoJ policy and coinciding with renewed weakness in the yen near JPY 159 per dollar despite recent FX intervention
  • Emerging Asian currencies like Indonesia’s rupiah are under strain from high oil prices, prompting measures such as mandatory onshore dollar repatriation to stabilize exchange rates

Frequently Asked Questions

Why is the US dollar near a six-week high?
The US dollar is near a six-week high due to uncertainty over a US-Iran deal and strong US economic data, which have boosted demand for the currency.
How has the US-Iran situation affected currency markets?
Conflicting signals over a US-Iran deal have led to volatility in currency markets, keeping investors cautious and the dollar strong.
What is pressuring Asian currencies like the yen and rupiah?
Asian currencies are under pressure from the strong US dollar and persistently high oil prices, leading some governments to intervene in currency markets.
What actions is Indonesia taking amid rupiah pressure?
Indonesia is requiring all natural resource exporters to store export earnings in state-owned banks from June 1 to support the rupiah.
How has Japan's core inflation impacted its currency outlook?
Japan's core inflation slowing to a four-year low complicates the Bank of Japan's rate hike plans and adds uncertainty to the yen's outlook.

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