Oil slides to 11-day low as UN week stirs US-Iran diplomacy hopes and Saudi exports rebound

Oil prices fell to their lowest level in 11 days on Monday, with Brent crude dropping around 2–2.6% toward the psychologically significant $100-a-barrel threshold, as traders bet that this week's United Nations General Assembly in New York could open a diplomatic off-ramp in the US-Iran war — even as the two sides kept exchanging threats and Iran-backed Houthis escalated attacks on Saudi Arabia over the weekend.

Brent crude futures for November delivery traded between roughly $101.18 and $102.05 per barrel Monday morning, according to reporting from The Globe and Mail and OilPrice.com. The expiring October WTI contract fell between $1.96 and $2.69 to trade near $97.61–$98.50 per barrel, with the November WTI contract sitting lower still, around $93.49–$94.16.

The driver is straightforward: oil had been carrying a geopolitical risk premium built on fears that the US-Iran conflict could choke off Middle East crude supplies. With President Donald Trump saying he would be open to meeting Iranian President Masoud Pezeshkian — who is expected in New York for the UN General Assembly this week — investors began unwinding that premium.

It seems that a degree of risk premium is being removed from oil prices on hopes that a diplomatic path to de-escalate the US-Iran war may arrive this week. Whether that hope proves to be warranted or not is another question. Time will tell.— Tim Waterer, Chief Market Analyst, KCM Trade

The diplomatic signals remain thin. Iran and the US exchanged fresh threats on Sunday — Trump warned Iran of economic collapse and regime failure unless it agreed to a deal, and Iran responded by threatening a harsh response to any US attack, according to OilPrice.com. Iran's security chief Mohsen Rezaei has conveyed Tehran's conditions to mediators for re-engaging in negotiations, Al Jazeera reported, but no talks have been scheduled.

On the ground, the conflict is widening. Yemen's Iran-backed Houthis said over the weekend they attacked 'sensitive' sites in Riyadh and struck a Saudi Aramco facility in Yanbu, a key oil export hub on Saudi Arabia's Red Sea coast. A Revolutionary Guards spokesman said Iran would deploy new weapons and strike previously untargeted locations if the US launched another offensive, according to Fars news agency, as cited by Hindustan Times.

What is keeping supply fears in check — and amplifying the price drop — is a remarkable logistical pivot by Saudi Arabia. After Houthi attacks damaged Aramco's East-West pipeline and forced a halt to some shipments through Yanbu, Saudi Aramco sharply increased exports through the Strait of Hormuz. Satellite data cited by JPMorgan showed Saudi oil moving through the Strait averaging 2.9 million barrels per day over the past six days, up from just 700,000 barrels per day in August.

Middle East oil flows remain surprisingly strong despite the disruption to Saudi Arabia's East-West pipeline. The most notable pivot has come from Saudi Arabia.— JPMorgan analysts, September 18 note

China has also stepped into the regional diplomacy. Three Iranian sources familiar with the matter told Reuters that Beijing asked Iran to help rein in the Houthis after Saudi Arabia appealed to China following the attacks, according to The Globe and Mail.

Adding a separate supply note, Libya's National Oil Corporation Chairman Massoud Suleman told Reuters on Monday that the country's Sharara oilfield has seen a partial reduction in production, without giving a reason, according to The Globe and Mail.

For markets, the week ahead hinges on whether the UN General Assembly produces any concrete diplomatic movement. A genuine breakthrough in US-Iran talks could push prices lower still by removing the remaining risk premium. A collapse in diplomacy — or another major Houthi strike on Saudi export infrastructure — could rapidly reverse Monday's slide.

Why it matters — Oil prices affect fuel costs, inflation, and global economic stability — and Monday's moves show how quickly war-risk and diplomacy signals can swing crude markets, with the UN General Assembly this week a potential turning point in either direction.

Sources differ on Brent crude price at time of reporting Monday morning: $101.18/barrel (November contract, down $2.69) (theglobeandmail.com) vs $101.75/barrel (down $2.12) (hindustantimes.com) vs $102.05/barrel (oilprice.com)

Reported by theglobeandmail.com, firstpost.com, hindustantimes.com, oilprice.com, bloomberg.com