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Autonomous Systems: Land & Sea
13JUN

Brent at $101.91 erases Trump ceasefire relief

1 min read
11:07UTC

Brent crude closed at $101.91 on 23 April, up more than 3 per cent on the IRGC seizures, erasing the post-extension decline recorded after Trump's 21 April Truth Social post. CENTCOM's cumulative vessel-intercept figure reached 28 on Day 54, up from 25 on Day 52.

TechnologyDeveloping
Key takeaway

One trading session of ceasefire relief priced out of Brent the morning boarding parties replaced the verbal truce.

Brent Crude traded at $101.91 on 23 April, up more than 3 per cent on the IRGC seizure news, GlobalSecurity.org reported⁠1. Brent had crossed $100 on expiry morning then fell to $97.91 after Trump's ceasefire-extension post; a single session of relief was priced out by the 22 April boardings.

The close extends the structural comparison with Brent's 7 per cent Monday surge that followed the IRGC-corridor divergence. Verbal de-escalation bought the market one trading day; kinetic action took back three per cent the next morning. For European hauliers and haulage desks that means the ceasefire announcement was noise, not signal.

CENTCOM's cumulative vessel-intercept figure reached 28 on Day 54, up from 25 on Day 52⁠2. Three added intercepts between Days 52 and 54 show the US port-blockade still widening while The White House and Pakistan extend the verbal ceasefire indefinitely. Two US institutions, one commanding naval assets and one issuing presidential posts, are running in opposite directions on the same strait.

Deep Analysis

In plain English

Brent Crude is the main global oil price benchmark, named after a North Sea oilfield. On 23 April it was trading at $101.91 per barrel, up more than 3% on the news of Iran's ship seizures. What makes this significant is that just two days earlier, when Trump announced the ceasefire extension, the price had fallen to around $97.91 on the relief that fighting might be winding down. The seizures wiped out that entire price fall and pushed oil back above $100. This tells you something about what oil markets believe: a social media post from a US president cannot override the actions of Iranian naval forces on the water. Oil traders are pricing what happens on the water: two ships seized and one fired on moved Brent up 3%, while Trump's ceasefire post had moved it down roughly 2% the day before. Before the war, Brent was around $67 per barrel. At $101.91, UK petrol stations and home heating fuel prices remain well above pre-war levels.

First Reported In

Update #77 · Pentagon: six months to clear Hormuz mines

GlobalSecurity.org· 23 Apr 2026
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Causes and effects
This Event
Brent at $101.91 erases Trump ceasefire relief
The price close tells charterers and refiners the market is reading kinetic action over verbal ceasefire. CENTCOM's rising intercept tally confirms the US port-blockade is still widening even while the executive is publicly committing to de-escalation.
Different Perspectives
DNV and Fassmer
DNV and Fassmer
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Belgian Ministry of Defence
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IRGC Navy (Iran)
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Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.