Crude Oil Nears $105 a Barrel as Iran War Escalation Sends Diesel to Record Highs
Brent touched $105.20 a barrel this morning and WTI is up +3.52% to $99.43, the highest level since May, as the US-Iran conflict escalates further. US diesel has topped $200 for only the second time ever.
Crude Oil Nears $105 as the US-Iran War Escalates
Crude is spiking again. Around 8 a.m. Eastern Time this morning, Brent touched $105.20 a barrel, up +3.08% from the same time yesterday, while WTI is trading near $99.43, up +3.52% ($3.38) on the day. Both benchmarks are now at their highest levels since late May, as the US-Iran conflict — now in its seventh-plus month — enters a sharper phase. The USO ETF (which tracks WTI futures) closed the previous session, September 9, up +2.70% at $149.97, on volume of 5.52 million shares.
Context: What's Happening
The truce that collapsed back in July never really held, and this week the conflict has escalated further. The US has struck several Iranian oil tankers, and Iran has retaliated by targeting vessels in the region. At the same time, Yemen's Houthis have stepped up attacks on Saudi Arabian energy facilities and on shipping in the Red Sea. The result: tanker traffic through the Strait of Hormuz, which before the war ran at moderate volumes above 50% of normal capacity, has slowed to a trickle.
Adding to the pressure, the US Strategic Petroleum Reserve sits at its lowest level in 44 years, and much of the refining capacity in the Middle East and Russia remains offline due to attacks — leaving the market with very little buffer against further disruption.
The Numbers: WTI and Brent Over the Past Few Weeks
| Date | Brent ($/bbl) | WTI ($/bbl) |
|---|---|---|
| September 4 | 95.29 | 90.76 |
| September 9 (close) | 101.21 | 96.05 |
| September 10 (today, intraday) | ~101.25 – 105.20 | ~99.43 |
Sources: Trading Economics (live quote) and the Wikipedia oil market chronology for the September 4 and 9 closes. The $105.20 Brent print reflects Fortune's 8 a.m. ET benchmark, which can differ slightly from CME-quoted futures due to methodology.
In just six sessions, Brent is up more than 10% and WTI close to 9% — the sharpest run-up in crude prices since the conflict first flared in July.
Volume Analysis
USO traded 5.52 million shares on September 9, in a $147.76–$150.04 range, which points to:
- Active repositioning: The elevated volume accompanied a session move of more than 2.5%, a sign of conviction buying
- Close near the highs: Settling at $149.97 — just $0.07 off the intraday high — suggests buying pressure held into the close
- Alignment with the futures market: The ETF's move tracks spot WTI closely, with no sign of a disconnect between the two markets
Market Sentiment
Analysts' attention has shifted from crude itself to distillates. Rystad Energy's Susan Bell warns that "global stocks of diesel, gasoline, and jet fuel have drawn down an awful lot; they are now at critical low levels." Dan Pickering of Pickering Energy Partners puts it more bluntly: "The market is competing for a limited supply of diesel. So, at what point do we worry? We worry now," adding that "folks are paying attention to $100 oil, but they really ought to be paying attention to $200 diesel."
The data backs that concern: US diesel has crossed $200 a barrel equivalent, only the second time that's happened (the first was in 2022, after Russia's invasion of Ukraine), and average US regular gasoline has hit an all-time high for a September at $4.22 a gallon.
Levels and Signals to Watch
- $100 on WTI and $105 on Brent: Psychological levels that, if they hold, could open the way toward retesting July's escalation highs
- Actual Hormuz traffic: Ship-tracking data remains the most reliable leading indicator; a return to normal traffic volumes would be the most credible sign of de-escalation
- Diesel, not just crude: With distillate stocks at critical lows, the diesel market can move more violently than crude itself if refining is hit by further disruptions
- Strategic Reserve levels: At a 44-year low, the US has less room to cushion a sustained price spike than in past crises
- Energy stocks: Producers and refiners (XLE, XOM, CVX, SLB) typically amplify moves in crude, while refiners with distillate exposure could see outsized benefit from the diesel shortage specifically
Implications for Investors
For those already holding energy exposure, the gap between diesel scarcity and crude scarcity adds a more nuanced read than in previous episodes: this isn't just a geopolitical premium on oil, it's a refining-capacity problem that could take longer to resolve even if the conflict cools. For anyone considering entering now, it's worth remembering that chasing a 3%+ intraday move during an active war carries the risk of an equally fast reversal on any diplomatic signal.
The key will be tracking three fronts at once: the military trajectory of the US-Iran conflict, shipping-traffic data through Hormuz and the Red Sea, and distillate inventories — currently the most stressed link in the entire energy chain.
Conclusion
Crude has hit fresh multi-month highs, with Brent brushing $105 and WTI near $100, in an escalation now running more than seven months that is hitting diesel even harder than crude itself. With the US Strategic Reserve at a 44-year low and regional refining capacity offline, the market has less cushion than in previous crises. Watching both crude and distillates — not just the "$100 oil" headline — matters more than ever right now.