Trump's Hormuz Deadline Tonight Forces $112 Oil Into Binary Outcome, China's 38% Gulf Dependency in the Crosshairs

President Trump's 8:00 PM ET deadline for Iran to unconditionally reopen the Strait of Hormuz creates the most consequential binary risk event of 2026. Brent crude closed at $112 on April 3, up 44% since the February 28 US-Israel strikes triggered Iran's blockade. Maritime traffic through the strait has collapsed 98%. The S&P 500 sits at 6,571, the VIX at 24, and gold at $4,677/oz — markets pricing tension but not yet pricing war.

The stakes are asymmetric. Trump has vowed to "obliterate" Iran's power grid and Kharg Island export facilities if the blockade holds. A strike on Kharg — which handles 90% of Iran's oil exports — would remove ~1.5 million barrels/day from global supply, pushing Brent toward $130-150. But de-escalation signals are emerging: regional sources indicate Iranian President Pezeshkian may accept a negotiated settlement, and Trump privately told advisers he would accept partial reopening. Base case (55%): a face-saving diplomatic off-ramp within 72 hours, with oil retreating to $95-100.

China bears disproportionate exposure. Approximately 38% of China's oil consumption depends on Gulf imports transiting Hormuz, making this the most acute energy security stress test since the 1973 oil shock for Chinese corporates. Every $10/bbl sustained increase adds roughly $45 billion annually to China's import bill. PBoC faces a policy trilemma: defend the RMB (USD/CNH at 6.89), ease to support growth, or tolerate imported inflation. Chinese firms with Middle East supply chains — petrochemicals, construction, logistics — face immediate operational disruption.

Watch tonight's deadline and the subsequent 48 hours. Key triggers: (1) any US military movement toward Kharg Island, (2) Oman-mediated back-channel outcomes, (3) PBoC mid-rate fixing signals on Monday. Risk scenario (30%): strikes trigger Iranian retaliation against Gulf state infrastructure, oil spikes above $140, and the VIX breaches 40. Corporate treasury teams should accelerate crude hedging programs, stress-test 6-month supply chain scenarios at $130+ Brent, and review force majeure clauses on Gulf-dependent contracts.