Jamie Dimon says the U.S. was right to go to war with Iran: ‘Why the western world put up with all these proxy wars for 45 years is kind of beyond me’

20% of globally traded oil and natural gas that once transited the Persian Gulf via the Strait of Hormuz has been effectively blocked, and rerouted shipping (driven by Houthi strikes) has increased transit times by up to 30%, contributing to surging oil prices and market jitters. JPMorgan CEO Jamie Dimon warned the closure creates “uncertainty” and “short-term risks,” framed the campaign as potentially unavoidable, and said weakening Iran and its proxies could raise the chance of longer-term peace. Analysts and think tanks caution the conflict could produce prolonged energy disruption and refugee flows, and experts say ground operations may be required to neutralize Iran’s enriched uranium—implying sustained volatility and downside growth risks.

Analysis

Maritime chokepoint disruption is now acting like a persistent structural shock rather than a transient spike: shipping reroutes are creating a secular rise in time-on-route, bunker consumption and charter-day demand that will sustain freight-rate and VLCC/AFRA owner earnings for quarters, not days. Insurance and war-risk premia compound that effect by adding $0.50–$1.50/bbl equivalent to delivered fuel costs on marginal barrels when passed down the chain, favoring producers with short transport chains and storage owners who can time sales into tightened markets.

Energy-market dynamics will see inventory and forward-curve effects diverge: expect near-term physical tightness and backwardation in crude and selective refined products for 1–3 months while strategic and commercial stockpiles are drawn; if the disruption persists beyond 3 months, incremental US shale and floating storage economics will accelerate, capping price upside but increasing volatility. Refiners with feedstock optionality (heavy vs light) and trading books will realize outsized arbitrage capture versus integrated refiners with fixed logistics.

Financial intermediaries and large banks will pick up outsized trading and FICC revenues from vehicle and commodity volatility, but also accumulate credit and sovereign-risk exposure in targeted EM corridors; this creates a bifurcated P&L where trading beats offset mark-to-market on loan books if the conflict stays sub-national, but not if it becomes protracted or spills into ground operations. Defence primes, specialty insurers/reinsurers and shipping lessors occupy asymmetric optionality — limited downside on short-term contract repricing, material upside if conflict prolongs.

Key catalysts and reversals are geopolitical negotiation windows (weeks), shipping reroute arbitrage becoming uneconomic (2–6 months) and a coordinated release or re-routing deal that would collapse insurance premia (days–weeks). Tail risk remains regime collapse or expanded regional war, which would quickly invalidate short-term hedges and favor deep cyclical winners in energy and defense for 6–24+ months.

Key Decisions for Investors

• Long Frontline plc (FRO) common — 1–6 month horizon. Trade rationale: VLCC/large tanker day-rates to remain elevated as reroutes persist; expected upside 25–40% if rates stay >$40k/day, capped downside ~20% on mean-reversion. Size 1–2% NAV, stop-loss 15%.
• Pair trade: Long ExxonMobil (XOM) + Chevron (CVX) vs Short United Airlines (UAL) — 1–3 month horizon. Rationale: energy producers capture fuel-related margin expansion while airlines face squeezed yields from higher fuel and longer routes. Target: 20–30% gross upside on longs vs 15–25% downside protection via shorts; net delta-neutral by sizing positions to implied betas.
• Buy 6–12 month call spread on Lockheed Martin (LMT) or RTX (pair) — limited cost bullish on defense spending. Structure: buy 12-month ATM call / sell 12-month 20–25% OTM call to fund premium. Reward: 15–35% if volatility and contract flows increase; capped loss = premium paid (~2–4% NAV allocation).
• Long AON plc (AON) or MMC (Marsh & McLennan) — 3–9 month horizon. Rationale: brokers/insurers benefit from higher premiums and renewed risk-placement activity; downside if immediate de-escalation compresses pricing. Position size small (0.5–1.5% NAV) with take-profit band at 20–30%.