Oil Swings Wildly Around $90 as Hormuz Diplomacy Comments Spark Reversal; No Deal Yet

Oil has surged more than 7% across two days as uncertainty over the Strait of Hormuz closure keeps energy markets on edge.

Oil prices swung sharply in a single session, first climbing above $90 per barrel for the first time in two weeks before tumbling more than $3 after diplomatic comments from Qatar's foreign ministry and Pakistan's defense minister suggested the US and Iran may be "close to some agreement." Brent crude, which had surged more than 7% over the prior two sessions, reversed to trade roughly 0.4% lower around $87/barrel after the remarks triggered algorithmic buying in equities and selling in oil. US equity futures, which had been near session lows, spiked to near all-time highs on the headlines, with S&P 500 futures up 0.2% and Nasdaq futures up 0.4%. The Strait of Hormuz remains closed to normal tanker traffic, with no deal in place. The prior day saw an escalation in rhetoric: Iran's foreign ministry said reopening was contingent on the US ceasing what it called "illegal actions" and paying compensation, while President Trump rejected that demand, saying he was "likewise demanding compensation from Iran." Persian Gulf energy producers are reportedly concluding that Iran's control over the strait could become permanent, according to the Wall Street Journal. A maritime incident was also reported near Bab al-Mandab, with a Saudi ship said to have been targeted by Yemeni forces, adding further supply-risk pressure to energy markets. Iran's new supreme leader, Mojtaba Khamenei, has installed hard-liners across the country's security apparatus, suggesting the confrontation with the US could last months or years. Strategic and commercial oil stocks are being described as rapidly depleting toward operational minimum levels. The surge in oil prices had already reignited inflation fears: 10-year US Treasury yields climbed to 4.71–4.76% before easing on the diplomatic headlines, and Fed rate-hike pricing for September moved back above 50% ahead of Wednesday's US CPI report. The ECB's probability of a September hike also rose. Bond yields in Europe similarly moved higher before stabilizing. Equity markets were mixed in Asia, with South Korea's KOSPI up about 1.5% and Hong Kong's Hang Seng lower. Japan's markets were closed for a public holiday. The Reserve Bank of Australia held rates steady as expected but maintained a hawkish tone, warning that further tightening remains possible. Market participants are focused on Wednesday's US CPI release as the next key signal for monetary policy direction.

Why it matters

The Strait of Hormuz is the world's single most important oil transit chokepoint, and uncertainty about its reopening can quickly translate into higher fuel and energy costs for consumers and businesses globally. A multi-day price surge of this scale signals that markets view the disruption as serious and potentially prolonged.

What's next

Markets will be watching closely for any official announcement on when the Strait of Hormuz will reopen, which would likely be the key trigger for oil prices to stabilize or retreat.

Key facts

Bias & framing notes

All ten sources appear to carry the same wire service report verbatim, meaning there is effectively one source, not ten independent ones. This limits the ability to cross-check facts or surface additional detail. The reporting establishes the price moves clearly but provides limited context on the nature or cause of the Strait of Hormuz disruption.

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