On Wednesday, September 9, the international crude oil market experienced a strong rally. The continued escalation of geopolitical conflicts in the Middle East completely reversed earlier market expectations of de-escalation. Brent crude futures surged past the psychological $100-per-barrel threshold, and both Brent and WTI benchmarks hit their highest closing prices since late May, driven by a significant rise in the geopolitical risk premium. The refined products sector showed a clear divergence: heating oil prices spiked sharply amid concerns over crude supply, while gasoline saw a slight pullback, highlighting the structural nature of the energy market's performance.
I. Market Performance: Brent Crude Breaks Through $100 Mark; Structural Divergence in Energy Products
As of the close of trading at 14:30 New York time on September 9 (02:30 Beijing time on September 10), NYMEX October WTI crude futures rose $3.02 (3.25%) to settle at $96.05 per barrel, while ICE November Brent crude futures climbed $3.29 (3.40%) to settle at $101.21 per barrel. Both benchmark crudes set new closing highs not seen since May 22, returning to the $100-plus range after nearly four months.
Refined Product Contracts: October RBOB gasoline futures fell slightly by 4.19 cents (1.29%) to settle at $3.2106 per gallon, whereas October heating oil futures surged 23.32 cents (5.11%) to settle at $4.8010 per gallon. The sharp rise in heating oil underscores market concerns regarding potential energy supply shortages this winter, contrasting sharply with the weaker performance of gasoline during its off-peak consumption season. II. Trend Analysis: Expectations of Conflict Combined with Favorable Supply-Demand Factors Reshape the High-Oil-Price Environment
1. Escalating Cycle of US-Iran Maritime Conflict Reshapes Geopolitical Pricing Logic
The core driver behind oil prices breaching the $100 mark is the escalation of Middle East geopolitical conflict from "intermittent friction" to a "sustained cycle of retaliation." The market has completely overturned its previous assumptions of "low-intensity conflict and controllable supply," leading to a repricing of the risk of long-term energy supply disruptions.
Recent maritime confrontations between the US and Iran have intensified, with the severity of conflicts steadily rising. On the 8th, the US military destroyed five Iranian oil tankers in response to an Iranian attack on a US warship; on the 9th, the Iranian Revolutionary Guard Corps retaliated forcefully, striking two US warships, eight oil tankers, and ten vessels deemed in violation of regulations. Although the US denied that its vessels were hit, a pattern of tit-for-tat retaliation has clearly emerged, significantly heightening risks to regional shipping security. Market observers note that Brent crude breaking the $100 barrier signifies a fundamental revision in market expectations regarding the duration of the Middle East crisis and the severity of supply constraints, marking the entry of the geopolitical risk premium into a phase of systemic elevation.
On the same day, Trump signaled a specific timeframe for the conflict, publicly stating that hostilities between the US and Iran would conclude after the US midterm elections in November. He indicated that while the decline in oil prices would lag behind the end of the conflict, a sharp drop would occur once hostilities ceased. These remarks provided short-term sentiment support alongside expectations of a medium-to-long-term bearish outlook, creating a pricing dynamic characterized by a short-term surge driven by risk and a medium-term expectation of a pullback.
2. Persistent Slump in Strait Transit; Supply Disruptions Become the New Normal
Ongoing geopolitical conflict has led to persistently low transit efficiency through the strait; the resulting tightening of physical supply provides a solid floor for oil prices. Shipping data from Kpler shows that only six commodity vessels passed through the Strait of Hormuz on Tuesday—a further decline from nine the previous day and well below the 10-day average of twelve—indicating a continued contraction in shipping capacity through the strait.
It is worth noting that the recent rise in futures prices is not merely a result of inflated sentiment but aligns perfectly with the fundamentals of the physical market. Since September 3, the price of Brent crude oil—the global pricing benchmark—has consistently held above $100 per barrel, while physical prices for refined products have also remained at levels equivalent to the $100 mark for an extended period. Refining bottlenecks triggered by regional conflicts continue to intensify, driving up global diesel and gasoline prices; US diesel prices are approaching a historic high of $6 per gallon, and the average gasoline price remains at $4.22 per gallon. These high end-user energy prices further confirm the reality of tight global energy supplies.
3. Structural Inventory Drawdown; Official Oil Price Forecasts Raised
API inventory data this week showed structural divergence consistent with a tight supply-demand landscape. Coupled with the EIA raising its annual oil price forecast, market fundamentals continue to support high and rising oil prices.
API data for the week ending September 4 showed a decrease of 327,000 barrels in US crude oil inventories and a drop of 1.87 million barrels in gasoline inventories. The continued drawdown in these two key categories underscores the resilience of domestic consumption and inventory reduction trends; only distillate inventories rose—by 1.98 million barrels—indicating a relatively weaker trend in that segment. Compared to market expectations, the crude oil drawdown was smaller than anticipated, but the gasoline drawdown was significantly larger than expected. Overall, the inventory structure leans bullish, providing fundamental support for rising oil prices. The official EIA inventory report was delayed until the early hours of Friday (Beijing time) due to the holiday, and the market is awaiting the data to further validate the supply-demand picture.
Meanwhile, the EIA released its Short-Term Energy Outlook, significantly raising its oil price forecasts for this year and next by nearly 5%. The report notes that ongoing conflicts involving Iran have severely restricted oil exports and production in the Middle East. Global oil inventories have fallen by a cumulative 400 million barrels so far this year, a downward trend expected to continue through year-end. Sustained inventory depletion and supply disruptions are the core fundamental drivers behind the upward shift in the baseline oil price. Following the adjustments, the projected average spot price for Brent crude in 2026 rose to $91 per barrel, while the projected average price for US crude rose to $84.65 per barrel. III. Market Outlook: Geopolitics Drives Near-Term Strength at High Levels; Mid-Term Turning Point Hinges on Conflict Trajectory
Analysts at SunSirs believe the crude oil market has entered a phase of strength driven by geopolitical risks and underpinned by fundamentals; in the short term, prices are expected to fluctuate with a bullish bias at elevated levels.
In the short term, the ongoing US-Iran conflict, suppressed shipping volumes through the Strait of Hormuz, and robust demand in the physical market—compounded by continued global inventory drawdowns—provide strong support for oil prices near the $100 mark. Prices are likely to maintain a strong, fluctuating trend, with volatility intensifying in response to geopolitical developments.
From a medium-to-long-term perspective, a key market turning point hinges on the trajectory of the conflict following the US midterm elections. If tensions between the US and Iran ease as expected after November and shipping through the Strait resumes, the substantial geopolitical premium currently built into prices would rapidly unwind, creating room for a significant pullback. Conversely, if the conflict escalates and shipping is severely restricted—against a backdrop of low global inventories—there would be further upside potential for oil prices.
Moving forward, key factors to monitor include official EIA inventory data, the latest military actions by both the US and Iran, and changes in shipping volumes through the Strait of Hormuz; these variables will directly dictate the pace of short-term price fluctuations.
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