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Dollar feeble as rate hike bets dwindle, Iran war worries grow - Finance news and analysis from Global Banking & Finance Review
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Dollar feeble as rate hike bets dwindle, Iran war worries grow

Published by Global Banking & Finance Review

Posted on August 18, 2026

4 min read

· Last updated: August 18, 2026

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Dollar Slips to Multi-month Lows as Rate Hike Bets Fade, Iran Tensions Mount

Market Reactions and Global Economic Factors

By Ankur Banerjee

Dollar and Major Currencies Performance

SINGAPORE, Aug 18 (Reuters) - The U.S. dollar held near multi-month lows against most major currencies on Tuesday as traders walked back expectations of near-term monetary tightening, although the imminent threat of an escalation in the Middle East war left sentiment fragile.

The euro fetched $1.1581 in early Asian hours, not far from the two-month high of $1.1614 it touched on Monday. Sterling was at $1.3548, just shy of the three-month peak it touched in the previous session.

U.S. Economic Data and Fed Rate Hike Expectations

Data showed last week that U.S. retail sales fell in July for the first time in nine months, following unexpected job losses last month and mild inflation readings. The run of softer data has led investors to scale back expectations of a rate hike by the U.S. Federal Reserve.

Traders expect a 35% chance of a rate increase at the Fed's September meeting, compared with 52.2% a week ago, according to the CME FedWatch tool.

Inflation Concerns Amid Geopolitical Risks

Analysts though remain cautious of where inflation may head, especially with the critical Strait of Hormuz remaining effectively shut and an impasse in the talks to end the U.S.-Iran conflict.

"Inflation has been above target for most of the past five years, and whilst a high 2% annual pace may prove acceptable to the Fed, it leaves the inflation process with little to no breathing room in a world of constant supply shocks," said Nohshad Shah, head of EMEA fixed income sales at Citadel Securities.

Middle East Tensions and Oil Market Impact

Iran-U.S. Conflict Escalation

Iran said it would shift to a "fully offensive" military posture because efforts to negotiate a permanent end to the war with the U.S. have stalled, a senior Iranian official told Reuters as Washington ruled out extending their June ceasefire agreement.

Oil Prices and Bond Yield Movements

Bond yields around the world were on the rise again as traders remained wary of the impact of elevated oil prices and a prolonged closure of the Strait of Hormuz.

Brent crude futures were 0.3% higher at $91.14 a barrel after rising to their highest since July 30 on Monday.

The yield on the 30-year bond hovered near its highest level in nearly 20 years, while the 10-year JGB yield hit its highest level since September 1996. [JP/]

U.S. Treasury Auctions and Fiscal Concerns

The spotlight has also been on recent U.S. Treasury auctions in the past week for the multi-decade yields demanded by investors to absorb Washington's borrowing needs.

"When it comes to longer-dated Treasury issuance, investors are increasingly focused and concerned about the growing amount of U.S. debt and America’s lack of fiscal discipline," said Anthony Saglimbene, chief market strategist at Ameriprise Financial.

"Frequent, large-scale treasury auctions are a chance for the bond market to push back against the government's eroding fiscal trajectory, as they demand higher yields for the auctions to clear."

Currency Movements in Asia-Pacific

Yen and Bank of Japan Policy Outlook

The yen was stuck just below the 160 level, shifting the focus to the Bank of Japan meeting next month, where the central bank is set to raise interest rates and is considering hiking more aggressively after that, sources told Reuters.

It was last at 159.46 per U.S. dollar, having erased nearly half of the gains from the joint U.S. and Japan intervention at the end of July to lift the fragile yen away from 40-year lows.

Australian and New Zealand Dollar Strength

The Australian dollar firmed 0.11% to $0.71119, perched near its strongest level since early June. The New Zealand dollar was at $0.5902. [AUD/]

(Reporting by Ankur Banerjee in Singapore; Editing by Sonali Paul)

Key Takeaways

  • Markets trimmed odds of a Fed rate hike in September following unexpectedly weak July jobs and retail data, with futures pricing dropping to around 44% (finance.yahoo.com).
  • The U.S. 30‑year Treasury yield climbed to its highest level since 2007 (~5.2%), pressuring the dollar despite fragile sentiment amid Iran war concerns (live.euronext.com).
  • Elevated Brent crude prices, driven by Strait of Hormuz disruptions, keep inflation risks front and center, complicating Fed policy expectations and undermining the dollar (kiplinger.com)

References

Frequently Asked Questions

Why is the US dollar weakening against other currencies?
The US dollar is weakening due to reduced expectations for Federal Reserve rate hikes, softer US economic data, and increased geopolitical tensions.
How have Middle East tensions affected the currency markets?
Escalating Iran-US conflict and the closure of the Strait of Hormuz have increased market uncertainty, impacting investor sentiment and supporting other currencies.
What are traders' expectations for the next Federal Reserve meeting?
Traders now see a 35% chance of a rate hike in September, down from 52.2% a week ago, due to recent weak economic data.
What is the impact of US treasury auctions on bond yields?
High demand for longer-dated US treasuries, coupled with concerns over US debt, is driving bond yields up as investors require higher returns.
Which major currencies have strengthened against the US dollar?
The euro and sterling have risen to multi-month highs, while the Australian and New Zealand dollars have also firmed up against the US dollar.

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