A New Calculus for the Strait
For decades, the United States served as the de facto guarantor of safe passage through the Strait of Hormuz — the narrow chokepoint through which a vast share of the world's crude oil flows. That arrangement may be approaching an inflection point. Recent signals from Washington suggest a willingness to end military engagements in the region without insisting on direct American control of the strait. The implications of that shift ripple far beyond the Persian Gulf.
The logic is straightforward: the United States is now effectively energy independent. While it is not entirely immune to global crude oil price swings, it no longer depends on Middle Eastern oil the way Europe and Asia do. That changes the incentive structure dramatically. If the primary beneficiaries of a secure Strait of Hormuz are European and Asian economies, the argument goes, then those nations should bear a proportionate share of the burden in keeping it open.
Pressure on Allies to Step Up
This posture amounts to a direct challenge to NATO nations and Asian energy importers. The message to Europe has been blunt — if there are jet fuel shortages, buy American supply or take responsibility for securing the strait yourselves. The United Kingdom has been warned that future American support is not guaranteed if allies remain disengaged from current conflicts. France's refusal to allow certain military overflights has drawn pointed criticism. The broader diplomatic thrust is clear: burden-sharing is no longer a polite suggestion but an expectation with consequences.
The European Union appears to be responding, at least tentatively. Reports indicate that EU leadership has engaged in direct calls with Iranian officials, and there is discussion about NATO potentially taking on a monitoring or oversight role in the strait. Whether that materializes into meaningful action remains to be seen, but the conversation itself represents a significant shift from the status quo in which American naval power alone underwrote global energy transit.
The Oil Price and Its Cascading Effects
Meanwhile, the practical consequences of Middle Eastern instability are already visible. Crude oil has pushed above $104 per barrel, with Brent crude — the benchmark most relevant to international buyers — hitting levels that punish energy-dependent economies hardest. U.S. retail gasoline has crossed $4 per gallon for the first time since 2022. The knock-on effects extend beyond fuel: aluminum prices have surged, fertilizer costs are climbing, and LNG markets are under pressure. Every one of these price increases feeds into the broader inflationary picture that central banks are already struggling to manage.
The interconnectedness of these markets is striking. Oil prices drive yields, which pressure equities, which move the dollar, which feeds back into commodity pricing. It is a chain reaction where a single geopolitical variable — the security of Middle Eastern energy infrastructure — pulls on nearly every asset class simultaneously.
Equity Markets: Orderly Pain
The S&P 500 has fallen nearly 8–9% from recent highs, with the NASDAQ 100, Dow, and Russell 2000 all declining more than 10% from their record peaks. Yet the nature of this sell-off is notable for what it is not: a crash. Unlike the dramatic two-session plunge of early April 2025, where the market shed more in 48 hours than the current decline has produced over weeks, this correction has been gradual and orderly — a sustained tug-of-war in which the bears have simply won for five consecutive weeks.
That orderliness is reflected in volatility markets as well. The VIX has climbed to levels not seen in 11 months, settling in the high 20s. Yet one-month realized volatility for the S&P 500 remains below 16. That gap — between what the market fears (implied volatility) and what it is actually experiencing (realized volatility) — is unsustainable. Either hedging costs will come down or actual market movement will catch up. Resolution of the geopolitical situation will likely determine which.
Valuations Offer a Silver Lining
There is a case for cautious optimism beneath the headlines. The S&P 500's forward price-to-earnings ratio has dropped below 20, down from the 23–24 range at the peak. That brings valuations much closer to long-run historical averages. Individual names present even more compelling cases — some major technology stocks are trading at sub-20 forward multiples despite year-over-year revenue growth rates north of 70%.
The key question is whether those earnings estimates hold. The past several quarters have delivered blowout results, consistently beating expectations. But with inflationary pressures building, 10-year yields recently touching eight-month highs, and corporate guidance for the coming quarters still uncertain, the reliability of forward estimates is an open question. Earnings season, kicking off in the coming weeks, will be where these assumptions are tested — not so much on backward-looking results, but on the guidance companies offer for a world where $100-plus oil may persist.
A Broadening Market as a Buffer
One encouraging development is the broadening of market participation beyond the mega-cap technology names that dominated returns in recent years. Sectors that experienced what might be called "rolling recessions" — periods of underperformance while big tech surged — have begun to recover and contribute to the market. Small-cap stocks are showing relative strength. If that broadening trend holds, it could provide a healthier foundation for the market and reduce the concentration risk that made indices so vulnerable to a handful of names.
What Comes Next
The market's near-term trajectory hinges on two things: the trajectory of crude oil prices and the prospect of de-escalation in the Middle East. If oil fails to retreat and no diplomatic resolution materializes, equities face meaningful downside risk from current levels. But if the geopolitical situation stabilizes — and if the emerging framework of shared international responsibility for the Strait of Hormuz gains traction — this correction may prove to be the kind of healthy 10% pullback that historically resets valuations and sets the stage for the next leg higher.
What is certain is that the old arrangement, in which the United States unilaterally secured global energy chokepoints while allies free-rode on that security, is being actively renegotiated. The outcome of that renegotiation will shape not just oil markets but the broader architecture of international security for years to come.