Strait of Hormuz Reopens as US-Iran Ceasefire Triggers Oil Crash

Global energy markets have been upended following a historic, late-night diplomatic breakthrough that has officially brought an end to the 100-day war between the United States and Iran.

Mediated by Pakistan and Qatar after a grueling 15-hour marathon negotiation session, the two adversaries finalized a memorandum of understanding (MoU) to permanently terminate military operations on all fronts. US President Donald Trump confirmed the completion of the deal via social media, ordering an immediate halt to the US naval blockade of Iranian ports and authorizing the “toll-free opening of the Strait of Hormuz.”

The landmark truce, which is scheduled to be officially signed in Switzerland this coming Friday, has sent shockwaves through international commodity desks and triggered a massive sell-off in energy-linked equities.

The reopening of the Strait of Hormuz—a choke point responsible for the transit of nearly one-fifth of the world’s daily petroleum supply, has single-handedly defused the global energy supply crunch that had choked global trade since late February.

In early Monday trading, global benchmarks plummeted to their lowest levels since March as speculative “fear premiums” vanished from the market:

Brent Crude dropped sharply by 4.1% ($3.58), sliding below the psychological threshold of $85 to trade at $83.75 a barrel. WTI (West Texas Intermediate) suffered an even steeper decline, tumbling 4.7% ($4.01) to $80.87 a barrel.

Analysts note that the prospect of normal maritime transit and a phased lifting of sanctions allowing Iranian crude back onto global markets has completely shifted the near-term outlook from an acute supply deficit to an impending supply glut.

The immediate casualty of the global crude collapse on the local front has been South African petrochemical giant Sasol (JSE: SOL).

Having ridden high on the back of elevated oil prices over the last three months, Sasol shares experienced an aggressive, high-volume sell-off on the Johannesburg Stock Exchange as morning trade opened. The petrochemical giant plummeted to an intra-day low of R193.38, tumbling heavily from its previous close of R213.57 on Friday and representing a sharp 9.45% drop within the first few hours of the session.

Investors quickly priced in a massive squeeze on Sasol’s future refining margins and synfuel profitability. The downside pressure on Sasol has been further compounded by a strengthening South African Rand, which is rapidly tracking toward the R16/$ level as global capital rotates back into risk-sensitive emerging market assets following the peace announcement.

With international shipping companies ordered to “start their engines” for mine-clearing operations in the Strait, the commodity super-cycle sparked by the war appears structurally broken, leaving Sasol vulnerable to further correction if Brent Crude drops toward the $80 floor.