Crude oil prices traded mixed in after-hours trading on Tuesday after Iran vowed retaliation for fresh US strikes on its territory, keeping investors on edge over supply disruptions via the Strait of Hormuz even as diplomatic efforts to ease tensions continue.
Front-month West Texas Intermediate crude futures slipped 3.14% to $93.57 per barrel, while Brent futures jumped 3.29% to $99.30/bbl.
Liquidity Energy strategists said volatility is expected to remain elevated as traders monitor military developments, shipping flows, and diplomatic negotiations across the region.
On Tuesday, Iran's Islamic Revolutionary Guard vowed to retaliate against "violations of the ceasefire" after it identified and engaged US drones and an F-35 jet fighter that entered the country's airspace.
US forces "conducted self-defense strikes in southern Iran" on Tuesday, targeting vessels allegedly trying to deploy mines, as well as missile launch locations. The US Central Command said the actions were intended "to protect our troops from threats posed by Iranian forces."
Saxo Bank strategists said crude prices rebounded after renewed US military activity in southern Iran and the Strait of Hormuz partially reversed Monday's sharp decline.
Iran's Foreign Ministry condemned the US attacks as a violation of a ceasefire that's been in place since early April, while Supreme Leader Mojtaba Khamenei said that the "nations and lands of the region will no longer be a shield for American bases."
"Without any doubt, the Islamic Republic of Iran will leave no act of aggression unanswered and will show not the slightest hesitation in defending the sovereignty and territorial integrity of Iran," the Foreign Ministry said in a statement.
On the supply front, the Hormuz, the strategic waterway through which 20% of the world's oil and liquefied natural gas flows during peacetime, remains effectively closed amid a double blockade by the US and Iran.
The US military has redirected 108 Iran-linked commercial vessels and disabled four others since imposing the blockade on April 13, US Centcom said on Tuesday.
Iran's Islamic Revolution Guards said on Tuesday that 25 commercial vessels, including oil tankers and container ships, safely transited the Hormuz over the past 24 hours.