The Oil-Shock Trade Is Reversing

The Strait of Hormuz had been closed for 110 days when the United States and Iran signed an interim peace agreement in Switzerland this week. Brent crude promptly fell roughly 10% across five trading sessions, ending Thursday at around $78 a barrel. Sasol dropped 8.38% on Wednesday alone, snapping a three-day winning streak. Goldman Sachs cut its Q4 Brent forecast from $90 to $80.

On the surface, this is good news. The geopolitical premium is unwinding. Pump prices should follow. The trade is over.

But the closure has already done its damage to the South African economy, and the unwind is exposing what was structurally lost during four months of $100-plus Brent. That, not the headline price drop, is the story this week.

THE BIG SIGNAL

Hormuz reopened on paper this week. In practice, normal transit will take months to return. DHL is guiding clients to expect four to six months before shipping conditions normalise. As of midweek, zero vessels had transited against a pre-crisis baseline of 94 per day. The US naval blockade of Iranian ports has been lifted. The Iranian closure order has been rescinded. The infrastructure to actually move oil through the choke point at scale is what comes next.

The bigger question is what comes off the price.

Brent peaked above $100 during the closure, held above $90 for most of the spring, and is now back at $78. Goldman expects Persian Gulf exports to return to pre-war levels by the end of July, one month earlier than previously forecast. The IEA is now warning of a potential supply glut, projecting global oil supply to grow by 8 million barrels a day by 2027 against demand growth of just 2 million. That is the structural picture once the war premium is gone. A market that was tight is about to be flooded.

For South Africa, the implications run through three channels.

The first is the pump. The 3 June adjustment took inland 95 unleaded petrol to a record R28.06 per litre, up R1.43 in a single month. Petrol has risen by R7.31 per litre between January and June. Diesel is still R10.74 above January levels even after a June cut. That adjustment was calculated against a review period in which Brent averaged $104.59 per barrel. The July adjustment, due around 2 July, will reflect a review window with Brent meaningfully lower, with the steepest declines arriving in the second half of the period. If the rand holds near R16.50 against the dollar, motorists will see the first meaningful relief at the pump in 2026. That helps headline CPI, which the SARB needs.

The second is the fiscal channel. National Treasury phased out 50% of its temporary fuel levy relief on 3 June, adding R1.50 per litre back into petrol taxes and R1.96 per litre back into diesel taxes. That was a political decision made when Brent was trading at $104, and the closure looked open-ended. With Brent at $78 and falling, the relief withdrawal is now landing on top of an oil-price collapse, sharpening the optics of a tax hike during a period of consumer relief. Expect renewed pressure on Treasury before the second 50% comes off later in the year.

The third is the macro channel. Four months of $100-plus Brent during a closed Hormuz did real damage to South African growth. The SARB revised its 2026 GDP forecast down to 1.2% in May. Petrol-driven inflation forced the Reserve Bank into a 4-2 split rate hike to 7.00% on 22 May, raising borrowing costs across an already fragile economy. None of that reverses just because oil prices have come down. The hike is locked in. Consumer balance sheets are weaker. Freight and logistics costs have been embedded into pricing. The structural cost of those 110 days persists, even as the cyclical pressure starts to lift.

This is the trap of every commodity-driven shock. The damage is permanent. The relief is temporary.

STOCK SPOTLIGHT: SASOL (SOL)

What the market believes. Sasol is a leveraged play on global oil. It rises when Brent rises, falls when Brent falls. After a 163% twelve-month rally to a recent high of R229.23, the market is pricing in the end of the trade.

What the market may be missing. The oil-spike rally was driven by something narrower than crude itself. JPMorgan upgraded Sasol from Underweight to Overweight in March with a price target of R209, and the catalyst was a combination of Sasol's debt management work and the geopolitical premium on oil. The debt story remains. Sasol completed a $416 million buyback of 2028 notes, issued new 2033 notes at 8.75%, and ran a tender offer for 2029 paper. The balance sheet is in better shape than it has been at any point since 2022. The geopolitical premium is the part going away.

What actually matters. Three things will determine where Sasol settles. First, where Brent finds support. Goldman's $80 Q4 call implies oil-linked Sasol earnings normalise rather than collapse. Second, the rand. SOL is implicitly a rand-hedge, but a stronger ZAR caps the translation benefit at the same time oil weakens. Third, the structural energy transition story. Sasol's coal-to-liquids and gas-to-liquids assets carry long-term carbon liabilities that the rally papered over. Those liabilities are now back in view.

The verdict. SOL at around R204 trades on roughly 11x forward earnings and 5x forward EBITDA. That is not expensive on a normalised cycle, but it is not cheap either if Brent settles into the $70s. The 8.38% drop on Wednesday is the first proper test of whether buyers will defend the R200 level. They likely will, at least once. The trade for the next six months is not directional. It is range-bound between R180 and R230, with macro headlines doing the work. Existing holders should trim into strength. New buyers should wait for a clean break of R195 before adding.

Read the full Sasol breakdown on zarmarkettrends.com.

QUICK SIGNALS

• The 2 July fuel adjustment is the one to watch. The Department of Mineral and Petroleum Resources will announce the July 2026 adjustment around the first business day of July. Based on Brent's collapse this week and the rand holding near R16.50, motorists could see the first petrol price decline of 2026. That single number will set the tone for SA consumer sentiment in Q3.
• Gold's geopolitical premium is unwinding too. The Middle East war drove gold above $5,000 an ounce in Q1. Gold has held its bid better than oil because central bank buying provides structural support, but JSE gold counters, including ANG and GFI, face the same headwind that hit Sasol. A war premium that does not return is a premium that has to be priced out.
• The rand is the quiet winner. ZAR traded at R16.49 to the dollar during the June fuel review period and has held near R16.50 through the Hormuz reopening. The carry trade attraction of a 7.00% repo rate, plus easing oil-import pressure, plus a softer dollar, gives the rand its strongest fundamental backdrop in 18 months. SA capital looking to allocate offshore does so from a position of relative strength for the first time this year.

AI + FINANCE

A single large AI data centre now uses as much electricity as a small South African city. Hundreds are being built worldwide. That is the simplest way to understand what is happening to global energy demand.

For decades, the energy story was about oil. Cars, trucks, planes. The IEA expects oil demand to grow by only 2 million barrels per day by 2027, partly because electric vehicles and efficiency gains are eating into petrol use. Over the same period, the electricity used by data centres in the United States alone is expected to triple. That electricity comes mostly from natural gas, not oil.

This split matters for Sasol. Its coal-to-liquids operation at Secunda makes petrol and diesel from coal, in a market where transport fuel demand is slowing. Its gas business, running through Mozambique, sits in a market where demand for gas-fired electricity is structurally growing as the AI buildout continues.

The Hormuz unwind tells you the geopolitical premium on oil is leaving the price. The AI buildout tells you something quieter and more permanent. The energy investments that win the next ten years will not be the ones tied to filling up cars. They will be the ones tied to keeping the world's data centres on.

QUESTION TO SIT WITH

If the next decade's energy bull market is driven by compute demand rather than transport demand, what does that mean for an economy that imports most of its energy and exports almost none of its data infrastructure?