Brent Crude Drops 5% Amid U.S.-Iran Ceasefire Hope

Brent crude futures fell more than 5% on Monday after the U.S. and Iran paused military strikes, offering the first diplomatic opening in two weeks and driving the sharpest single-session oil decline since the conflict began.

For investors holding energy equities or commodity-linked positions, the move erases a portion of the war-premium that had pushed Brent above $100 per barrel – and raises urgent questions about how durable the ceasefire will prove.

Key Takeaways

Brent fell ~$5.58 to $91.20; WTI dropped ~$4.91 to $84.40.
Strait of Hormuz traffic remains severely disrupted despite the pause.
Houthi attacks on Saudi Red Sea infrastructure add a second supply risk.

Market Reaction & Context

Brent crude futures (LCOc1) dropped $5.58, or 5.77%, to $91.20 per barrel at 2204 GMT on Monday, briefly breaching the key $90 support level before recovering slightly. ¹ U.S. West Texas Intermediate (WTI) fell $4.91, or 5.50%, to $84.40 – putting both benchmarks at their lowest levels in nearly a week after three consecutive weeks of gains.

The selloff marks a sharp reversal from the $100-per-barrel peak Brent reached when the conflict crimped tanker flows through the Strait of Hormuz, the world’s most critical oil chokepoint. The roughly 10% round-trip in Brent over the conflict period underscores how tightly geopolitical risk premium has been priced into crude markets.

Why the Pause Moved Prices So Sharply

U.S. Ambassador to the United Nations Mike Waltz told Fox News Sunday that President Donald Trump had decided to halt American strikes to allow more time for diplomacy, with Iranian sources indicating Tehran would mirror the pause. ¹ Markets read the news as the first tangible evidence that a negotiated off-ramp was possible.

ING analysts captured the mood succinctly in a client note:

“Oil prices fell sharply in early trading as the U.S. and Iran refrained from further military action, offering the first tangible signs of a potential de-escalation in tensions. The price action in oil this morning clearly reflects the market’s desperation for positive news.”

The Supply Picture Remains Fragile

Despite the diplomatic pause, shipping data from Kpler showed fewer than 10 commodity vessels transiting the Strait of Hormuz daily over the weekend – well below normal levels. ¹ Analysts caution that a meaningful recovery in Hormuz oil flows will take time even if hostilities stay suspended.

MST Marquee analyst Saul Kavonic said:

“Any rebound in flows through the Strait of Hormuz is likely to prove slow and partial, as many shippers remain wary and will want greater confidence in their safety before they bring more empty ships into the Strait.”

A second supply flashpoint also flared over the weekend. Yemeni Houthis attacked Saudi oil installations along the Red Sea coast, slowing tanker traffic through the Bab el-Mandeb strait – a key export corridor for Saudi crude heading to Asian buyers. ¹ A third Chinese supertanker did exit via the strait, signalling some cautious resumption of flows.

Lingering Upside Risks for Oil

Not all analysts are positioned for a sustained price decline. UOB flagged that the conflict has broadened in scope, with Ukrainian drone strikes hitting Russian oil sites and refineries over the same weekend, adding a separate layer of supply risk from the Russia-Ukraine war. ¹

“As the Middle East conflict widened to the Red Sea and Ukrainian drones struck Russian ships and refineries… sustained disruption would likely keep oil prices elevated and continue to pose upside risks to global inflation,” UOB analysts said in a note. ¹ Investors in oil majors, refiners, and energy ETFs should weigh a scenario where diplomacy stalls and prices rebound toward recent highs against one where a durable deal unlocks Hormuz shipping and pushes crude back toward the mid-$80s.

Conclusion

Monday’s 5%-plus selloff in crude reflects a market that was heavily long on conflict premium and is now rapidly repricing for a possible diplomatic resolution. The key variable to watch is whether tanker traffic through the Strait of Hormuz recovers meaningfully in the coming days – that single data point is likely to determine whether crude holds above $90 or gives back further gains.

Energy equity investors should also monitor the Bab el-Mandeb corridor and any fresh developments in Ukraine-Russia energy infrastructure targeting, both of which could reignite supply-disruption fears independent of the U.S.-Iran ceasefire.

Not investment advice. For informational purposes only.