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Asian stocks steady, oil lower as US and Iran sign peace deal

Published by Global Banking & Finance Review

Posted on June 18, 2026

3 min read

· Last updated: June 18, 2026

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Asian Stocks Steady, Oil Dips Following US-Iran Interim Peace Deal

Market Reactions to US-Iran Interim Peace Deal

By Satoshi Sugiyama

Overview of the Peace Deal

TOKYO, June 18 (Reuters) - Asian stocks were steady and oil prices dipped on Thursday as investors assessed progress toward ending the war in the Middle East after the presidents of the U.S. and Iran signed an interim peace deal, though uncertainties still hovered. 

Both countries released the text of the agreement, which had already circulated widely before its contents were published. It extends a ceasefire announced in April by another 60 days to allow the two sides to negotiate a final truce.

U.S. President Donald Trump, however, threatened to resume attacks and kill Iranian officials if they failed to honour their commitments. 

"Major geopolitical risk persists and will also remain a major driver of market action," said Kyle Rodda, a senior financial market analyst at Capital.com.

Asian and Global Stock Market Performance

Asian Indices

MSCI's broadest index of Asia-Pacific shares outside Japan was flat. Japan's Nikkei share average rallied to another record high, surging past the 71,000 level for the first time, on solid gains in semiconductor and AI-related shares, while South Korean shares gained 0.9%. U.S. stock futures, the S&P 500 e-minis, were up 0.81% at 7,484.8.    

The benchmark 10-year Japanese government bond yield rose 2 basis points to 2.620%, poised for its highest close since June 16, after earlier touching 2.63%.

Oil and Commodity Prices

Oil prices fell, with U.S. crude dipping 1.25% to $75.83 a barrel and Brent crude down 1.4% to $78.41 per barrel. 

Wall Street and US Market Movements

Overnight on Wall Street, all three major indexes fell close to or more than 1% as traders bet that the Federal Reserve's next move would be a rate hike after new Fed Chair Kevin Warsh highlighted the need to tame inflation and other policymakers projected rising interest rates later this year. 

The Dow Jones Industrial Average fell 507.12 points, or 0.98%, to 51,492.55, the S&P 500 fell 91.25 points, or 1.21%, to 7,420.10 and the Nasdaq Composite fell 354.69 points, or 1.34%, to 26,021.66.

The yield on benchmark 10-year Treasury notes rose to 4.471% compared with its U.S. close of 4.463% on Wednesday. The 2-year yield, which rises with traders' expectations of higher Fed funds rates, touched 4.1759% compared with a U.S. close of 4.163%.

Global Currency and Central Bank Updates

Central Bank Meetings

The Bank of England meets on Thursday and, as with the Fed, no change in rates is expected, leaving the focus on the tone of policymakers' commentary.

Currency Movements

The dollar rose 0.01% against the yen to 160.65 after touching 160.79 overnight, hitting its highest level since July 2024.

The dollar index, which measures the greenback against a basket of currencies including the yen and the euro, fell 0.03% to 100.32. The euro was up 0.1% at $1.1511.

Commodities and Cryptocurrencies

Oil and Gold

Recent declines in oil prices have begun to ease worries about an economic slowdown, especially in energy-importing Europe. The International Energy Agency said on Wednesday the oil market would move into a significant supply surplus in 2027 after recovering from the closure of the Strait of Hormuz.

Spot gold traded at $4,309.75 per ounce. [GOL/]

Cryptocurrency Market

In cryptocurrencies, bitcoin gained 0.16% to $64,464.75. Ethereum rose 0.37% to $1,752.54.

Reporting

(Reporting by Satoshi Sugiyama; Editing by Jamie Freed)

Key Takeaways

  • Asia‑Pacific equities were flat as markets digested the U.S.‑Iran interim peace pact; Japan’s Nikkei surged to a fresh record above 71,000, supported by semiconductor and AI shares.
  • Oil prices declined—U.S. crude down ~1.3% at $75.8 and Brent ~1.4% at $78.4—while the IEA forecasted a substantial oil supply surplus in 2027 as Middle East production rebounds and the Strait of Hormuz reopens.
  • U.S. stock futures gained modestly, but all three major U.S. indexes dropped over 1% overnight amid speculation of further Fed tightening; Fed Chair Kevin Warsh left rates unchanged but signaled a hawkish stance, downplaying forward guidance and favoring trimmed‑mean inflation metrics.

Frequently Asked Questions

What impact did the US-Iran peace deal have on Asian stocks?
Asian stocks remained steady as investors assessed progress after the US and Iran signed an interim peace deal extending the Middle East ceasefire.
How did oil prices react to the US-Iran peace deal?
Oil prices fell, with US crude dipping 1.25% to $75.83 per barrel and Brent crude down 1.4% to $78.41 per barrel.
Which Asian stock markets showed gains?
Japan's Nikkei share average reached record highs and South Korean shares gained 0.9%.
What changes occurred in the currency and bond markets?
The dollar rose slightly against the yen, and yields on both Japanese and US government bonds increased.

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