Our Head of Public Policy Research Ariana Salvatore breaks down what’s being discussed by policymakers around the world to try to cap the oil price spike.

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Welcome to Thoughts on the Market. I’m Ariana Salvatore, Head of Public Policy Research.

Today, I’ll be talking about the ongoing conflict in Iran and the policy options to offset a rise in oil prices.

It’s Wednesday, March 25th at 8pm in Tokyo.

The U.S.-Iran conflict is stretching into its fourth week, and markets are still trying to distill headlines for news of an off-ramp or further escalation. Even here in Tokyo, the global supply crunch is top of mind. But we’re also watching for second order effects among a number of key supply chains, ranging from food to semiconductors.

As you’ve been hearing on the show, the Middle East is a critical supplier of aluminum, petrochemicals, and fertilizers—all industries that are energy intensive and deeply embedded in global supply chains. There’s also sulphur, which is needed to produce copper and cobalt, largely used for chip materials and components. And helium, which is a critical material for semiconductor manufacturing.

So with all this supply chain disruption on the line, what are policymakers’ options to mitigate that loss?

Let’s start by putting some numbers around the disruption. The Strait of Hormuz accounts for about 20 percent of global oil supply, and about a third of seaborne oil. Our strategists highlight three potential offsets. First, alternative pipelines. Saudi Arabia maintains an East-West pipeline and the UAE similarly has a smaller scale Abu Dhabi Crude Oil Pipeline. Those together can allow for some crude to bypass Hormuz.

Second, the U.S. has publicly discussed potential naval escorts. We’ve written about the logistical difficulties with this plan, in addition to significant execution risks. Third, the IEA has coordinated a strategic stock release, which could translate to a sustained release of around 2 million barrels a day, depending on the duration of the conflict. There are also geographic considerations though that can add a lag to those strategic releases.

On net, our oil strategists think these policy levers can mitigate about 9 million barrels per day from the lost 20, meaning that the global economy will still be short about 11 million barrels per day; more than three times the supply shock the market feared from the Russia-Ukraine conflict back in 2022.

So, given those limitations, we’re starting to see countries around the world – particularly in Asia – begin to implement rationing measures to conserve energy. The Philippines, for example, has implemented a four-day workweek for government workers and mandated agencies to cut fuel and electricity use. Myanmar has imposed driving limits, and Sri Lanka has introduced gasoline rationing.

But what about in the U.S.? We’ve seen domestic gasoline prices climb due to this conflict, and the national average is now close to $4, almost a dollar up from where we were about a month ago. The President has announced a number of policy efforts – including a Jones Act waiver, which temporarily allows foreign vessels to transport fuel between U.S. ports, and a temporary pause on some Russian and Iranian oil sanctions. President Trump has also directed a release from the Strategic Petroleum Reserve, but similarly to the IEA stockpile, the flow rate is going to be the key limit. The authorization was for 172 million barrels over a 120 period, which translates to just about 1.4 million barrels per day on average.

So what should we be watching? Tanker transits, signs of upstream shut-ins as storage fills, refinery run-cuts, and—most crucially—whether policy announcements on insurance and escorted convoys can actually translate into reality. These are all going to be critical elements going forward.

For now, our oil strategists have raised their near-term Brent forecast to $110 per barrel, which underscores our U.S. economists’ outlook for weaker growth and stickier inflation than previously expected. And for now, policy tools seem to be unable to meaningfully offset that disruption.

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Our Global Commodities Strategist Martijn Rats discusses how the Strait of Hormuz shutdown has created a deep air pocket that will likely keep markets tighter and prices higher for longer than many expect.

Read more insights from Morgan Stanley.

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Welcome to Thoughts on the Market. I’m Martijn Rats, Morgan Stanley’s Global Commodities Strategist. Today – an update on the global impact on the Strait of Hormuz shutdown.

It’s Tuesday, March 24th, at 3pm in London.

More than three weeks into the Iran conflict and the Strait of Hormuz disruptions, the numbers are striking. Normally, around 35 oil tankers leave the Gulf each day. Today, that number is closer to zero to two. That amounts to a shock. In fact, we estimate this event has disrupted roughly 20 percent of global oil supply – double the scale of the Suez crisis in the 1950s.

Now, you might think: can’t the system adapt? Can’t oil just flow another way? At first, oil kept moving by being stored on ships already inside the Gulf. But that buffer is now full. Floating storage has surged in the area to over 120 million barrels, and new loadings have effectively stopped. Once storage is filled, producers have no choice but to cut output – and that’s exactly what we’re seeing. About 10 million barrels per day of upstream oil and gas production is now offline.

Now once we reach this point, the Hormuz closure becomes a real supply loss. There are some partial workarounds. Pipelines that bypass the Strait. Strategic reserve releases. Possibly, naval escorts at some point to help ships move along. But unfortunately, none of these fully solve the problem. Even after accounting for all these offsets, the market still faces a shortfall of around 10 to 12 million barrels per day. Now, that is more than three times the supply shock markets feared in 2022, when Brent oil prices surged to around $130 a barrel.

And beyond crude oil, the supply strain is showing up even more in refined products. Now, how so? By comparison, crude oil is still flexible. One barrel can sometimes be substituted with another. But refined products – like jet fuel or petrochemical feedstocks – are much more specific. They’re harder to replace quickly. And we’re already seeing acute shortages.

Europe relies on imports for about 37 percent of its jet fuel needs, and those flows have now declined sharply. Middle East exports of naphtha, a key input for plastics and chemicals to destinations in Asia, have fallen from about 1.2 million barrels per day to almost zero. And in shipping hubs like Singapore, marine fuel prices have surged dramatically, with some fuels exceeding $250 per barrel. Once fuel shortages hit logistics, the disruption spreads beyond energy to affect the movement of goods across the economy.

So where does this leave us? We envision two broad scenarios. First, a reopening. Even if the Strait reopens relatively quickly, say within one to two weeks, the system doesn’t just snap back. There’s what we call an air pocket in the system – a gap created by delayed shipments, empty inventories, and disrupted supply chains. In that case, oil prices are still likely to stay elevated throughout the second and third quarters, rather than quickly returning to pre-crisis levels which were about $70 per barrel at the time.

A second scenario would be a prolonged closure. If the disruption continues, the market shifts from substitution to rationing. And rationing means demand has to fall. Historically, that only happens at much higher prices – typically in the range of $130 to $150 per barrel.

Now given all this, we’ve revised our base case forecasts higher. We now expect Brent oil prices to average around $110 per barrel in the second quarter, easing only slightly to $90 in the third and $80 by the fourth quarter. But it’s key to realize that reopening the Strait is not the same as repairing the system. This supply chain shock to the oil market will take time to unwind.

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