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U.S. and Iran Sign Ceasefire Memorandum, International Oil Prices Drop Over 15% in One Week

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Jun 18, 2026 12:54 PM ・ Updated Jun 27, 2026 7:17 PM ・ 2 min read ・ Source: CNA (Central News Agency)

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U.S. and Iran Sign Ceasefire Memorandum, International Oil Prices Drop Over 15% in One Week — Image: CNA (Central News Agency)

⚡ Key Points

The United States and Iran have signed a ceasefire memorandum, leading to the resumption of navigation through the Strait of Hormuz.
International oil prices have dropped more than 15% over the past week due to reduced geopolitical risks.

The United States and Iran have signed a ceasefire memorandum, leading to the resumption of navigation through the Strait of Hormuz. International oil prices have dropped more than 15% over the past week due to reduced geopolitical risks.

PRIMARY SOURCE CNA (Central News Agency) View source Distributor: CNA (Central News Agency)
Published: Jun 18, 2026

Key News on U.S.-Iran Conflict

Central News Report

(Central News Agency, Hong Kong, 18th – compiled international wire reports) The United States and Iran have signed a ceasefire memorandum, restoring navigation through the Strait of Hormuz. International crude oil prices fell over 1% today, continuing a downward trend since the agreement was announced over the weekend. Since last week, the two major global crude oil benchmarks have both dropped more than 15%.

According to AFP, West Texas Intermediate (WTI) crude oil fell 1.7%, closing at $75.47 per barrel, while Brent North Sea Crude declined 1.4%, settling at $78.42 per barrel. (Translated by: Zhang Mingxuan) 1150618

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Source: CNA (Central News Agency)
Category: Taiwan

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Announced　Jun 18, 2026 12:54 PM — Distributor CNA (Central News Agency)
Collected　Jun 18, 2026 1:05 PM
AI structured & analyzed　Jun 19, 2026 11:21 AM
Desk-reviewed & published　Jun 18, 2026 12:54 PM

FAQ

What are the key points of the U.S.-Iran ceasefire memorandum?

It includes cessation of hostilities and resumption of safe navigation through the Strait of Hormuz.

How does falling oil prices affect consumers?

Lower fuel and electricity prices may reduce household expenses.

Is this agreement permanent?

It is currently a provisional agreement; implementation will be crucial.

What impact on Japan's energy market?

Lower import costs could improve trade balance and reduce corporate expenses.

How should investors respond?

Reassess Middle East-linked assets and adjust positions in energy stocks.

Cite this article — HOW TO CITE

Washin AI News Desk“U.S. and Iran Sign Ceasefire Memorandum, International Oil Prices Drop Over 15% in One Week”AI News by Washin Village（和心村）, Jun 18, 2026. https://aeo.washinmura.jp/ai/cna-com-tw-2/en/news/2026-06-18-%E7%BE%8E%E4%BC%8A%E7%B0%BD%E7%BD%B2%E7%B5%82%E6%88%B0%E5%82%99%E5%BF%98%E9%8C%84-%E5%9C%8B%E9%9A%9B%E6%B2%B9%E5%83%B9%E4%B8%80%E9%80%B1%E9%87%8D%E6%8C%AB%E9%80%BE15

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