Opinion piece from GCaptain about shipping
The Strait Isn’t 'Closed'—It’s Worse Than That
Six weeks into the conflict, the debate over whether the Strait of Hormuz is “open” has become almost irrelevant.
Because what we are witnessing is not a formal closure. It’s something far more destabilizing: a controlled, conditional, and deeply politicized chokepoint where access exists—but only on terms set by a weakened but still dangerous regime. That distinction matters.
Yes, Iran’s conventional military capabilities have taken a hit. But the one lever that still counts—the flow of oil and gas out of the Persian Gulf—remains firmly within its ability to disrupt. And today, that flow is not functioning in any meaningful commercial sense.
Traffic data, insurer behavior, and routing patterns all point to the same conclusion: this is not a market operating under stress. It’s a system that has effectively seized up.
The Illusion of “Open”
Certain officials continue to insist the strait is open. Technically, they’re not wrong. Ships can transit. But in practice, normal commercial shipping has not returned. Not even close.
Instead, what we’re seeing is a fragmented system:
Vessels routing close to Iranian territorial waters under implicit or explicit coordination
Select transits tied to Iran or aligned actors
Reports of ad hoc “tolls” or permissions governing passage
Western-linked operators largely staying out
This isn’t freedom of navigation. It’s a gatekeeping by a hostile, heavily-sanctioned regime. And for global energy and shipping markets, that distinction is everything.
The Real Constraint Isn’t Insurance—It’s Trust
Early in the crisis, the focus was on war-risk premiums and insurance withdrawals. That phase has passed.
Even with backstops like the U.S. maritime reinsurance initiative, the core problem remains unchanged: no one trusts the route.
Mines—confirmed or not—have altered risk perception. Conflicting navigation directives have undermined predictability. Military escalation risk remains embedded in every transit.
You can subsidize insurance. You cannot subsidize confidence.
Shipowners aren’t avoiding Hormuz because it’s expensive. They’re avoiding it because it’s unknowable.
Energy Flows Are the Only Metric That Matters
There’s a tendency in policy circles to point to U.S. energy dominance as a buffer.
It’s true that the United States is producing at record levels. But global oil and gas markets don’t operate on national self-sufficiency—they operate on marginal supply and price discovery.
Roughly a fifth of the world’s seaborne oil and gas still depends on Hormuz.
When that flow is disrupted:
Tanker availability tightens globally
LNG supply chains begin to fracture
Freight rates, bunker costs, and insurance premiums cascade outward
The idea that the world’s largest economy can fully insulate itself from that shock is, at best, optimistic—and at worst, dangerously complacent.
This Isn’t a Blockade. It’s Leverage.
What makes this crisis different—and more dangerous—is that it doesn’t require a full shutdown to be effective.
Iran doesn’t need to “close” or control the strait. It only needs to make normal operations impossible—and right now, it is.
A degraded regime is effectively controlling access to a corridor that carries a massive share of global energy—not through dominance, but through disruption, ambiguity, and selective permission.
That’s a far more sustainable form of leverage than outright confrontation.
The ‘Toll’ Narrative
Much has been made of reports that ships are paying Iran for passage, but the reality is far less clear-cut.
A handful of reported cases does not equate to a functioning system, and more importantly, it ignores a basic truth that compliant, Western-linked operators don't casually engage in off-the-books payments that could trigger sanctions exposure.
If anything, Iran's leverage lies in deterring those players—not successfully monetizing them.
Why Markets Haven’t Caught Up
Perhaps the most puzzling element is the relative calm in global markets.
Oil has risen—but not to levels that reflect a sustained disruption of this magnitude.
There are a few possible explanations:
Traders betting on a near-term diplomatic resolution
Strategic reserves and rerouting masking short-term shortages
A belief that flows will normalize faster than history suggests
But each of those assumptions carries risk. Because normalization is not just about a ceasefire.
What Actually Reopens Hormuz
A ceasefire alone won’t fix this. What’s required is far more complex:
Verified clearance of potential mines
A clear, unified navigation framework—not competing directives
Restoration of insurer confidence
Credible guarantees of safe passage for all flags and nationalities
In other words, a rebuilding of trust in the system itself. That doesn’t happen overnight.
It takes time, coordination, and sustained political alignment—none of which currently exist at the level required.
If there’s any doubt about how long this kind of disruption can linger, look no further than the Red Sea. More than two years after that crisis began, the security overhang has never fully lifted.
Even following last year's ceasefire and a sustained absence of major attacks, many shipowners remain reluctant to fully re-engage the route, with diversions and elevated risk calculations still baked into commercial decision-making.
The lesson is clear: once confidence in a critical maritime corridor is broken, it doesn’t simply snap back with a political agreement. It erodes slowly—and rebuilds even slower.
Let's Not Forget The Humanitarian Crisis
Lost in the geopolitical calculus is the human reality playing out at sea. An estimated 20,000 seafarers remain effectively trapped aboard vessels across the Persian Gulf, unable to safely transit, rotate crews, or even access consistent resupply.
These are not abstract numbers—they are mariners stuck in limbo, facing mounting shortages of fuel, food, and medical support while uncertainty drags on with no clear resolution.
The longer the crisis persists, the more it shifts from a supply-chain disruption to a humanitarian one, raising serious questions about the industry’s—and governments’—ability to protect the very people who keep global trade moving.
The Bottom Line
The most dangerous misconception right now is that this crisis is nearing resolution.
It isn’t. The Strait of Hormuz isn’t reopening—it’s being redefined in real-time.
And until global shipping regains the ability to move freely, predictably, and without political permission, the disruption to energy markets will persist—regardless of what officials say.
Because in maritime trade, words don’t move cargo. Confidence does.
— Mike Schuler
