President Donald Trump announced on 21 April that the United States will extend its ceasefire with Iran until Tehran’s “seriously fractured” leadership presents a unified negotiating proposal. The extension averts an immediate return to hostilities that had threatened global oil supply routes.
Why it matters
South Africa imports virtually all its crude oil. Any disruption to the Strait of Hormuz, through which roughly 20% of the world’s oil passes, hits SA fuel prices directly and the rand indirectly through risk-off capital flows.
The fuel reprieve holds
When the original ceasefire was announced on 7 April, Brent crude fell as much as 16% and European natural gas futures dropped 20%. The rand strengthened more than 2.3% against the dollar in a single session, according to CNBC Africa.
That combination delivered meaningful relief to South African consumers. Analysts at the time warned that a ceasefire collapse could push diesel prices past R40 per litre, a level that would raise transport and food costs across the economy.
With the extension, Brent crude remains below $70 per barrel.
Uncertainty remains
Iran has refused to send negotiators to Islamabad for talks with the US. Vice President JD Vance, who had been scheduled to travel to Pakistan, cancelled his trip following Trump’s announcement.
The ceasefire extension has no fixed end date. Trump said it would hold until Iran submits a proposal, but he has not ruled out resuming military operations if talks fail.
The SA exposure
The South African Reserve Bank flagged oil price volatility as a key upside risk to inflation in its monetary policy review last week. The bank held its repo rate at 7.50%, citing fuel-driven inflation pressures.
A sustained oil price below $70 would support the case for rate cuts later in 2026. A return to conflict would end that prospect.