Dollar rally pauses on Iran deal hopes; yen edges back from intervention zone - Finance news and analysis from Global Banking & Finance Review
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Dollar rally pauses on Iran deal hopes; yen edges back from intervention zone

Published by Global Banking & Finance Review

Posted on May 21, 2026

2 min read

· Last updated: May 21, 2026

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Dollar Rally Pauses as Iran Deal Hopes Rise; Yen Moves From Intervention Zone

Market Movements and Reactions to Iran Deal Hopes

By Kevin Buckland

Dollar and Yen Performance

TOKYO, May 21 (Reuters) - The U.S. dollar hovered below a six-week peak on Thursday after pulling back on rising hopes that Washington is nearing a deal with Tehran to end the war in the Middle East.

U.S. President Donald Trump said negotiations were in the final stages, while also warning of further attacks if Iran does not agree to a deal.

The dollar, a traditional safe haven, fell for the first time in eight sessions against the yen on Wednesday, and was down slightly at 158.905 yen in early Thursday trading - taking it back from the 160 level that traders and analysts view as a potential trigger for currency intervention by Japanese officials.

Euro and Dollar Index Movements

The euro was steady at $1.1626 on Thursday, after dipping to the weakest since April 7 at $1.1583 in the previous session before bouncing back.

The dollar index, which measures the currency against the euro, yen and four other rivals, was flat at 99.128 after touching 99.472 on Wednesday, the strongest level since April 7.

Analyst Insights and Broader Currency Trends

"The 'safe haven' flows reversed because of positive news about the Iran war," Joseph Capurso, head of FX at Commonwealth Bank of Australia, wrote in a client note.

At the same time, "while the U.S. has domestic political incentives to seek peace, we would not be surprised if President Trump chooses military escalation to gain leverage in negotiations," he said.

Other Major Currencies and Cryptocurrency

Australia's dollar slipped 0.1% to $0.7147 ahead of the release of local employment figures later in the day.

Sterling was little changed at $1.3430.

Cryptocurrency bitcoin was flat at around $77,650.

(Reporting by Kevin Buckland; Editing by Kim Coghill)

Key Takeaways

  • U.S. hopes for an Iran‑Tehran agreement weighed on safe‑haven flows into the dollar, disrupting its rally (axios.com)
  • The dollar‑yen pair retreated below ¥160, a politically sensitive level viewed by traders as a likely trigger for Japanese intervention (m.investing.com)
  • Markets await further developments in geopolitics and local data—such as Australia’s employment figures—for clues on near‑term currency direction (comerica.com)

References

Frequently Asked Questions

Why did the dollar rally pause?
The dollar rally paused due to rising hopes that Washington is nearing a deal with Tehran to end the war in the Middle East.
What level is considered the intervention zone for the yen?
The 160 yen level is seen as a potential trigger for currency intervention by Japanese officials.
How did the euro perform against the dollar?
The euro was steady at $1.1626 after dipping to its weakest since April 7 at $1.1583 before bouncing back.
What was the impact of the Iran deal hopes on safe haven flows?
Safe haven flows reversed as positive news about a potential Iran deal emerged.
How did bitcoin trade during this period?
Bitcoin was flat at around $77,650 during the reported trading sessions.

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