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Oil prices stabilise as investors weigh Iran war end, Hormuz reopening uncertainty

Published by Global Banking & Finance Review

Posted on June 17, 2026

3 min read

· Last updated: June 17, 2026

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Oil Prices Edge Higher Amid Iran War Truce and Hormuz Strait Uncertainty

Market Reactions and Geopolitical Developments

By Yuka Obayashi

Oil Price Movements

TOKYO, June 17 (Reuters) - Oil prices edged higher in early trade on Wednesday, clawing back some of the previous session's losses, as investors assessed whether the Iran war will truly end and the Strait of Hormuz reopen.

Brent crude futures gained 47 cents, or 0.6%, to $79.43 a barrel, while U.S. West Texas Intermediate rose to $76.53 a barrel, up 48 cents, or 0.6%, as of 0038 GMT.

Both benchmarks fell about 5% for a second straight session on Tuesday to three-month lows on hopes a U.S.-Iran deal would allow oil flows through the Strait.

Trader Sentiment and Volatility

"Oil markets retreated on expectations the Strait of Hormuz would reopen following the peace agreement, but traders held off further selling pending details," said Hiroyuki Kikukawa, chief strategist of Nissan Securities Investment, a unit of Nissan Securities.

WTI is likely to remain volatile within $10 above or below $80 a barrel, he added.

Details of the U.S.-Iran Peace Deal

Key Provisions of the Agreement

Details of the interim peace deal began to emerge on Tuesday with U.S. President Donald Trump saying it would rule out a nuclear weapon for Tehran and a U.S. official saying it would allow Iran to sell oil upon signing.

The memorandum of understanding, not yet public, extends a tenuous ceasefire announced in April by another 60 days to allow talks toward a permanent truce.

Impact on Oil Flows and Sanctions

Under the deal, the United States would lift its blockade of Iran's ports, while Tehran would oil tanker traffic through the Strait, effectively blocked since U.S. and Israel strikes on February 28.

Still, industry officials say a full return to pre-war production and refining levels is likely to take weeks, months or even years.

Regional Reactions and Uncertainties

Israel has distanced itself from both the April ceasefire and the latest U.S.-Iran agreement, adding uncertainty to whether the new truce will hold.

Israeli drone strikes targeted three vehicles in southern Lebanon on Tuesday, killing at least four people and wounding others, Lebanon's National News Agency (NNA) reported. Trump issued a rare public rebuke of Israel's military tactics.

Market Data and Industry Reports

China's Oil Demand

Meanwhile, China's crude oil throughput in May fell 9.1% on the year to the lowest level in almost four years, data showed, also signalling that refiners were starting to draw on stockpiles amid the Iran war.

U.S. Crude Stockpiles

The American Petroleum Institute report showed U.S. crude stocks fell by 8.3 million barrels in the week ended June 12, the sources said. It exceeded expectations for a 4.6 million barrels draw, with official numbers due from the Energy Information Administration at 10:30 a.m. ET (1430 GMT) on Wednesday. [EIA/]

(Reporting by Yuka Obayashi; Editing by Sonali Paul)

Key Takeaways

  • Brent crude climbed about 0.6% to $79.43/bbl and WTI gained around 0.6% to $76.53/bbl as investors awaited details of the interim peace deal with Iran.
  • U.S. crude stocks likely dropped sharply—Industry estimates suggest an 8.3 million‑barrel draw for the week ended June 12, adding bullish pressure despite prior declines in prices.
  • China’s crude throughput continues to fall amid weak margins, with state refiners processing less than in previous months and likely building reserves despite import declines.

Frequently Asked Questions

Why did oil prices stabilise after recent declines?
Oil prices stabilised as investors assessed the likelihood of an end to the Iran war and the reopening of the Strait of Hormuz, following earlier significant declines due to hopes of a U.S.-Iran deal.
What are Brent crude and West Texas Intermediate prices now?
Brent crude futures rose to $79.43 a barrel, while U.S. West Texas Intermediate increased to $76.53 a barrel in early Wednesday trading.
How has the ceasefire between the U.S. and Iran affected oil markets?
The interim peace deal has led to increased market optimism but also volatility, as traders await details and the actual reopening of the Strait of Hormuz for oil flows.
Will oil production and refining return to pre-war levels quickly?
Industry officials suggest that a full return to pre-war production and refining levels could take weeks, months, or even years.
How is the situation in China affecting global oil demand?
China's crude oil throughput dropped 9.1% year-on-year in May, signaling reduced demand and that refiners are drawing on stockpiles amid the Iran war.

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