US-Iran ceasefire collapses; oil shock spikes inflation fears

The geopolitical risk premium is spiking sharply as the US-Iran ceasefire unravels. President Trump rejected Iran's latest peace proposal on Monday, telling markets the agreement was on "massive life support." This language signals an elevated tail risk of renewed military escalation, which would further choke off oil flows through the Strait of Hormuz, one of the world's most critical energy chokepoints. The strait remains in a de facto standstill, with shipping traffic halted and traders bracing for an extended closure that could push oil toward $90 or higher if the situation deteriorates further.

Energy markets are already reflecting war premium. Crude has rallied from $75 to the mid-$80s, and forward curves hint at expectations of $90-plus oil if the Hormuz closure persists through Q3. Emerging-market currencies and equities have sold off on the renewed tension, with traders rotating away from Asia and into safe havens like gold and yen. Copper surged to record highs as speculation about geopolitical supply disruption in the Middle East offset demand concerns. Gold is steady but bid, with traders tracking both the Hormuz stalemate and inflationThe rate at which prices rise across an economy. implications.

Central banks face a policy conundrum. The ECB's Governing Council member Christodoulos Patsalides signaled that June rate hikes are now under discussion due to heightened inflationThe rate at which prices rise across an economy. risks from the oil shock. South Korea's 10-year bond yield topped 4% for the first time since late 2023 on rate-hike bets tied to the Iran conflict. India is weighing emergency steps to protect forex reserves as the rupee weakens. Meanwhile, the bond market's "Warsh trade" (betting on multiple Fed cuts) has collapsed, with Treasuries selling off hard as inflation expectations creep higher. The CME Group is launching Bitcoin Volatility futures on June 1, signaling market expectations for heightened volatility across asset classes.

The narrative hinges on whether the ceasefire holds. Market consensus still assumes Hormuz will reopen within weeks, but forward-looking traders are pricing in a 20-30% probability of a 3-6 month closure, which would trigger a global recession. Winners include energy producers like Saudi Aramco and oil traders; losers are energy importers (EU, India, Japan) and refiners facing margin compression. Tech stocks have so far held up on the belief that capex spending will persist regardless of macro headwinds, but a deeper oil shock could force a de-risking that spills across equities.