A temporary ceasefire between the United States and Iran has triggered a significant relief rally across global markets, sharply reducing immediate risk premia and boosting equities, while oil prices retreated from recent highs. The ceasefire, brokered with diplomatic efforts led by Pakistan, was announced just hours before U.S. President Donald Trump's threatened deadline for military escalation against Iran, and is set to last for two weeks pending further negotiations [1][3]. Brent crude futures fell by 14% at the time of reporting, and S&P 500 futures surged by 2.48%, leaving them less than 2% below pre-strike levels and up 6.8% from their March 30 lows. NASDAQ futures rose 3.15%, and Euro STOXX 50 futures climbed 5.42% [1][2]. Oil prices cooled to below $100 per barrel, though they remain well above the pre-war level of $70 per barrel [3].
The ceasefire has had a pronounced impact on the Indian aviation sector, which had been severely affected by the conflict. IndiGo shares jumped over 11% before paring gains, and were last trading more than 8% higher, as the truce is expected to ease operational pressures caused by rerouted flights and surging jet fuel costs. Indian airlines, which typically operate up to 350 flights daily to the Gulf, saw that number drop to 80–90 in March, with over 10,000 flights cancelled in just over a month. Air India, which recently saw the resignation of its CEO, raised fuel surcharges in response to a 100% month-on-month surge in jet fuel costs. Singapore Airlines, which owns over 25% of IndiGo, saw its shares rise nearly 3% [4].
Despite the market rally, analysts and strategists caution that the ceasefire is fragile and does not represent a lasting peace. Rabobank strategists emphasize that the truce is only temporary, with at least two weeks of uncertainty ahead and scenarios ranging from a clear U.S. win to a damaging outcome for the dollar and Gulf Cooperation Council assets. They note that bets on near-term rate hikes have evaporated as the truce precedes major central bank meetings [1]. According to BCA Research, ambiguities remain regarding the reopening of the Strait of Hormuz, as Iran has stipulated that safe passage is possible only with coordination with its armed forces and subject to technical limitations, which could undermine the ceasefire's durability [3].
Market participants are watching closely for further developments, with delegations from both sides expected to meet in Islamabad on Friday to negotiate a longer-term agreement. Analysts warn that if the truce fails or ambiguities are not resolved, fighting could reignite later this year or even later this month, especially as the U.S. national security establishment may push for a more permanent solution after the upcoming midterm elections [3].
Overall, while the ceasefire has provided immediate relief and sparked a strong market rebound, the underlying risks and uncertainties remain unresolved, leaving markets vulnerable to renewed volatility.
CONCLUSION
The U.S.-Iran ceasefire has delivered a strong, immediate boost to global equities and eased pressures on oil and aviation markets, particularly in India. However, the truce is fragile and short-term, with significant uncertainties and risks persisting. Markets are likely to remain sensitive to further developments as negotiations continue.