Signs of breakdown emerged less than 24 hours after the US-Iran ceasefire deal took effect, renewing uncertainty across the Middle East. Although both parties previously announced a two-week truce, prompting global investors to momentarily ease vigilance by selling crude oil and rotating into equities, the fundamental situation on the ground remained unchanged. Externally, the agreement is regarded as a fragile consensus devoid of formal written provisions, resulting in divergent interpretations of execution details and casting a shadow over peace prospects.

The backdrop for the conflict escalation began on the 7th, when Israel launched large-scale attacks on petrochemical facilities at Iran's South Pars gas field, followed by US strategic strikes on military assets at Kharg Island. In retaliation, Iran targeted the Jubail Industrial City in Saudi Arabia, damaging critical infrastructure and driving US domestic crude prices briefly above $117 per barrel. Against this backdrop, the US President issued an ultimatum, threatening the destruction of Iran's energy and transportation infrastructure should no agreement be reached. Mediated by Pakistan, Iran presented a ten-point proposal including the reopening of the Strait of Hormuz, to which the US agreed to suspend hostilities for two weeks. The initial market reaction was favorable, with oil prices retreating accordingly.

However, the ceasefire held for an exceptionally brief period. Israel initiated a new round of military operations against Hezbollah in Lebanon, dropping hundreds of bombs and inflicting significant casualties. Iran immediately accused the US of breaching the accord, asserting it faced a choice between a "ceasefire" and "continuing the war via Israel." Given that the truce scope excluded Lebanon and other regions, Iran had justification to withdraw from negotiations and implemented substantive countermeasures. Iran closed the Strait of Hormuz, restricted vessel passage and even considered imposing tolls. Only four tankers transited that day, marking the lowest level since April. This move directly undermined key gains in restoring free trade, forcing the US to confront navigation challenges once more, becoming the primary impediment to follow-up talks.

With negotiations likely stalling, market optimism is swiftly reversing. While senior US officials sought to emphasize progress prior to the market open to stabilize financial conditions, Wall Street's smart money began questioning the durability of the risk mitigation. Should the fragile ceasefire fully disintegrate, the conflict risks further escalation, threatening global energy supply chains and potentially sparking broader economic turmoil. The current situation reveals a significant disparity between actual actions and political will within the region, urging investors to remain cautious of the long-term disruptions geopolitical risks pose to the global order and various sectors.