Trump Rejects Iran Truce as War Escalates | Horizons Middle East & Africa 8/18/2026
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Trump Rejects Iran Truce as War Escalates | Horizons Middle East & Africa 8/18/2026
Angeline OngDonald TrumpOffice for National StatisticsDeutsche Bank

Oil prices surge above $91 as US-Iran ceasefire ends; Trump threatens Oman, signaling potential for prolonged conflict.

Oil prices surged above $91 a barrel as the US-Iran ceasefire ended, raising concerns over energy supplies. Former President Trump threatened Oman, warning of potential military action, which analysts say could signal a shift towards prolonged conflict in the region, impacting global oil markets.

The Guardian The Guardian+1 source18 August 2026 · 08:12 UTC
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Oil prices have surged above $91 a barrel following the end of the US-Iran ceasefire, with Brent crude futures climbing to $91.60, the highest since July 30. The cessation of talks for a permanent peace deal has heightened fears over energy supplies in the Middle East.1256

Iran has announced a shift to a “fully offensive” military stance, as a senior official indicated that efforts for a permanent resolution have stalled. This escalation comes as former President Trump threatened military action against Oman, stating, “If Oman gets in the way, we’ll bomb the shit out of them,” during an interview with Fox News.34

Analysts are interpreting Trump's threats as a potential shift in the oil market, with Angeline Ong from IG noting, “Trump’s threat to bomb Oman could be the moment the oil market shifts from pricing a temporary disruption to pricing a prolonged one.” Deutsche Bank analysts echoed this sentiment, suggesting that rising oil prices reflect investors' concerns about a “more extended closure” of the Strait of Hormuz, a critical passage for global oil shipments.78

With approximately a quarter of global seaborne oil passing through this strait, any reduction in the likelihood of reopening could significantly increase the geopolitical premium on crude oil prices, indicating a turbulent period ahead for energy markets.

Key Insight
“Brent crude climbed to $91.60 a barrel, the highest since July 30, as fears about energy supplies grow. Analysts at Deutsche Bank noted that rising oil prices indicate investors are pricing in a potential extended closure of the Strait of Hormuz, crucial for global oil transport.”
Trump threatens to bomb US ally Oman if it “gets in the way” of Iran negotiations | BBC News
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Trump threatens to bomb US ally Oman if it “gets in the way” of Iran negotiations | BBC News
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CuriousCats studied:
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The GuardianThe Guardian
“Brent crude climbs above $91 a barrel as US-Iran ceasefire ends”
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2
The GuardianThe Guardian
“Brent crude rises above $90 a barrel for the first time since 30 July after US president tells Tehran to surrender - Oil prices have risen again after the two-month window to negotiate a peace deal in the expired on Monday with no end to the conflict in sight.”
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