Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery
Published . Updated .
In Saudi Arabia, Ansar Allah, known as the Houthis, say they have hit the kingdom’s largest oil refinery with a ballistic missile. It comes as fighting has escalated in Yemen between the Saudi-backed government and the Iran-aligned Houthis since the outbreak of the U.S. war on
Directly affected
- No company is named in this report.
Indirectly affected
- USO United States Oil Fund+4.8% 30d
United States Oil Fund: its price follows crude oil. Linked by “oil” (oil) in this story.
- XLE Energy Select Sector SPDR+6.5% 30d
Energy Select Sector SPDR: its price follows crude oil. Linked by “oil” (oil) in this story.
- CRAK VanEck Oil Refiners ETF
VanEck Oil Refiners ETF: it holds refiners, whose margins move with fuel prices. Linked by “refinery” (refining) in this story.
- ITA iShares U.S. Aerospace & Defense ETF-4.2% 30d
iShares U.S. Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “missile” (defense) in this story.
- KSA iShares MSCI Saudi Arabia ETF-7.0% 30d
iShares MSCI Saudi Arabia ETF holds stocks listed in Saudi Arabia, which this story is about (“saudi”).
- XOM ExxonMobil Holdings+9.0% 13d
ExxonMobil Holdings (petroleum refining): oil producers' profits rise and fall with crude prices. Linked by “oil” (oil) in this story.
- CVX Chevron+7.9% 30d
Chevron (petroleum refining): oil producers' profits rise and fall with crude prices. Linked by “oil” (oil) in this story.
- VLO Valero Energy+1.2% 30d
Valero Energy (petroleum refining): refiners' margins move with crude and fuel prices. Linked by “refinery” (refining) in this story.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| USO | -2.37% | +3.62% | base | +2.37% | after close | after close | after close |
| XLE | -0.12% | +1.60% | base | +0.10% | after close | after close | after close |
| CRAKPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| ITAPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| KSAPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| XOM | -1.00% | +1.85% | base | +0.89% | after close | after close | after close |
| CVX | -0.66% | +2.17% | base | +0.66% | after close | after close | after close |
| VLO | +12.72% | +8.25% | base | -1.54% | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
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Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery Democracy Now!
Source: Democracy Now!
18 earlier Red Sea stories for United States Oil Fund (USO)
Across 18 earlier stories, United States Oil Fund (USO) the next day averaged -0.67%. The largest gain was -0.66% and the largest drop was -0.68%, from 4 prices.
| Company | When | Average | Largest gain | Largest drop | Prices |
|---|---|---|---|---|---|
| United States Oil Fund (USO) | the next day | -0.67% | -0.66% | -0.68% | 4 |
| United States Oil Fund (USO) | three days later | +2.92% | +5.37% | +0.46% | 4 |
| Select Sector Spdr Tr (XLE) | the next day | +0.05% | +0.52% | -0.55% | 16 |
| Select Sector Spdr Tr (XLE) | three days later | +0.84% | +2.31% | -0.96% | 16 |
- Qatar LNG Cargo Makes Rare Red Sea Journey to Get Gas to Europe
- The Week in Charts: North Korean ghost voyages expose gaps in sanctions monitoring | Chinese operators lead surge in Red Sea and Suez vehicle carrier transits
- Brent Crude Hits Five-Month High as Houthi Attack Claims Raise Oil Supply Concerns
- Oil holds near five-month high as Hormuz, Houthi attacks threaten supply recovery
- Natural Gas and Oil Forecast: Houthis Target Saudi Oil, Can WTI Break $99.72?
- Oil near $110 after Houthi attack claims and Iranian threats
Price since this story was published: United States Oil Fund (USO)
| Company | When | Move | Status |
|---|---|---|---|
| Chevron (CVX) | that day | +0.66% | still updating |
| Chevron (CVX) | three days earlier | +2.17% | final price |
| Chevron (CVX) | five days earlier | -0.66% | final price |
| United States Oil Fund (USO) | that day | +2.37% | still updating |
| United States Oil Fund (USO) | three days earlier | +3.62% | final price |
| United States Oil Fund (USO) | five days earlier | -2.37% | final price |
| Valero Energy (VLO) | that day | -1.54% | still updating |
| Valero Energy (VLO) | three days earlier | +8.25% | final price |
| Valero Energy (VLO) | five days earlier | +12.72% | final price |
| Select Sector Spdr Tr (XLE) | that day | +0.10% | still updating |
| Select Sector Spdr Tr (XLE) | three days earlier | +1.60% | final price |
| Select Sector Spdr Tr (XLE) | five days earlier | -0.12% | final price |
| ExxonMobil Holdings (XOM) | that day | +0.89% | still updating |
| ExxonMobil Holdings (XOM) | three days earlier | +1.85% | final price |
| ExxonMobil Holdings (XOM) | five days earlier | -1.00% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Kevin Hern sold ExxonMobil Holdings (XOM) (jointly held), worth $100,001 - $250,000 on 31 Aug 2026. That is 58 days before publication. Filed 25 Sep 2026. View the filing.
- Donald J Trump, an executive branch official, bought ExxonMobil Holdings (XOM), worth $250,001 - $500,000 on 31 Jul 2026. That is 89 days before publication. Filed 22 Sep 2026. View the filing.
- Rep. Kevin Hern sold Chevron (CVX) (jointly held), worth $15,001 - $50,000 on 23 Sep 2026. That is 35 days before publication. Filed 13 Oct 2026. View the filing.
- Rep. Maria Elvira Salazar bought Chevron (CVX), worth $1,001 - $15,000 on 2 Sep 2026. That is 56 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Chevron (CVX), worth $15,001 - $50,000 on 26 Aug 2026. That is 63 days before publication. Filed 8 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Where this story sits: Red Sea
Geopolitics Alpha has 96 stories about Red Sea from the past 7 days and 197 stories from the past 30. That is faster than its usual pace over the past month. “Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery” is tagged to Red Sea.
Who gains and who loses around United States Oil Fund (USO)
Likely winners
- XOM ExxonMobil Holdings
For “Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery,” ExxonMobil Holdings (XOM) tends to benefit, medium confidence. Reason on file: ExxonMobil Holdings (petroleum refining): oil producers' profits rise and fall with crude prices. Linked by “oil” (oil) in this story
No up or down call on file
- USO United States Oil Fund
For “Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery,” United States Oil Fund (USO) is linked, with no stored direction, medium confidence. Reason on file: United States Oil Fund: its price follows crude oil. Linked by “oil” (oil) in this story
- XLE Select Sector Spdr Tr
In “Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery,” Select Sector Spdr Tr (XLE) is linked, with no stored direction, medium confidence. Reason on file: Energy Select Sector SPDR: its price follows crude oil. Linked by “oil” (oil) in this story
- CRAK Vaneck Etf Trust
In “Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery,” Vaneck Etf Trust (CRAK) is linked, with no stored direction, medium confidence. Reason on file: VanEck Oil Refiners ETF: it holds refiners, whose margins move with fuel prices. Linked by “refinery” (refining) in this story
- BWET Amplify Commodity Trust
In “Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery,” Amplify Commodity Trust (BWET) is linked, with no stored direction, medium confidence. Reason on file: Breakwave Tanker Shipping ETF: it tracks tanker freight rates. Linked by “oil” (tanker shipping) in this story
How a Red Sea shock reaches United States Oil Fund (USO)
On 28 Oct 2026, “Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery” is the story that connects United States Oil Fund (USO) to Red Sea.
What ties United States Oil Fund (USO) to the headline is this: United States Oil Fund: its price follows crude oil. Linked by “oil” (oil) in this story
Also listed, Select Sector Spdr Tr (XLE): Energy Select Sector SPDR: its price follows crude oil. Linked by “oil” (oil) in this story
Dates in the story, and the United States Oil Fund (USO) price range
USO traded between 141.82 and 169.96 across 20 sessions. The latest close on file is 163.62. XLE traded between 61.05 and 69.86 across 20 sessions. The latest close on file is 68.23.
The energy score for United States Oil Fund (USO)
46 out of 100Price not final
“Ansar Allah Claim Attack on Saudi Arabia’s Largest Oil Refinery” scores 46 out of 100. The score uses 1 sources, and 8 linked companies. The price is not final yet.