Global Markets Shaken as Houthi Intervention Escalates Iran Conflict

Oil prices surged, and global equities retreated on Monday as the Middle East crisis entered a volatile new phase. Yemen’s Houthi rebels have formally entered the conflict, launching a barrage of cruise missiles and drones at strategic sites in Israel. This escalation, now in its fifth week, has stoked fears of a multi-front war involving direct United States ground intervention. Brent crude jumped over 3 per cent to approach $117 a barrel. Investors are fleeing risk assets as the spectre of a regional energy blockade becomes a reality.

The Red Sea has emerged as the conflict’s most dangerous choke point. With Tehran effectively closing the Strait of Hormuz, Saudi Arabia had rerouted much of its crude through the Red Sea to reach global markets. The Houthi strikes now threaten the Bab al-Mandab Strait, a waterway accounting for 12 per cent of global trade. Analysts at Pepperstone warn that disruption here, coupled with soaring insurance costs, will drive inflation higher. The world economy faces a dual shock of supply shortages and price volatility.

Political rhetoric from Washington has further destabilised investor sentiment. Donald Trump told the Financial Times that the Pentagon is eyeing Iran’s Kharg Island for potential ground operations. While the United States insists it seeks to avoid a full-scale invasion, the threat to Iran’s primary oil terminal is clear. “Maybe we take Kharg Island, maybe we don’t,” the president remarked, adding that any move would require a long-term presence. These comments have evaporated the relative calm seen during last week’s brief diplomatic pause.

Asian markets bore the brunt of the early Monday sell-off. Tokyo’s Nikkei 225 plummeted 4.6 per cent, while Seoul dropped more than 3 per cent. Similar losses were recorded across Hong Kong, Shanghai, and Sydney as the fallout from Wall Street’s Friday slump reached the East. The initial market reaction focused on oil, but the anxiety has now spread to broader economic consequences. Short-term inflation expectations are rising, threatening the corporate earnings outlook for the first half of 2026.

Diplomatic efforts appear to be failing or, at best, moving too slowly. Pakistan offered on Sunday to host “meaningful talks” to broker peace between Washington and Tehran. However, Mohammad Bagher Ghalibaf, Iran’s parliament speaker, accused the United States of secretly planning a ground assault. This breakdown in trust suggests the kinetic phase of the war is far from over. Markets are now pricing in a protracted conflict that extends beyond energy into fertilisers and metals.

The global economy is poorly positioned to absorb another inflationary leg higher. National Australia Bank noted that the “Trump pause” on energy infrastructure attacks was insufficient to support sentiment. Investors are now fixated on the March and April economic data series, which will likely reflect these surging input costs. Until a credible ceasefire or a de-escalation in the Red Sea occurs, the flight to safety will continue. The “vibrant” growth projections of early 2026 have been replaced by a grim wartime footing.