South Korea says it will expand naval operations closer to strait of Hormuz
Published . Updated .
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Seoul to seek parliamentary approval to extend anti-piracy Cheonghae unit’s area to about 650km from the vital strait after criticism from Donald Trump on Iran war support
Directly affected
- No company is named in this report.
Indirectly affected
- USO United States Oil Fund
United States Oil Fund: its price follows crude oil. Linked by “hormuz” (oil) in this story.
- XLE Energy Select Sector SPDR
Energy Select Sector SPDR: its price follows crude oil. Linked by “hormuz” (oil) in this story.
- BWET Breakwave Tanker Shipping ETF
Breakwave Tanker Shipping ETF: it tracks tanker freight rates. Linked by “hormuz” (tanker shipping) in this story.
- ITA iShares U.S. Aerospace & Defense ETF
iShares U.S. Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story.
- EWY iShares MSCI South Korea ETF
iShares MSCI South Korea ETF holds stocks listed in South Korea, which this story is about (“south korea”).
- XOM ExxonMobil Holdings
ExxonMobil Holdings (petroleum refining): oil producers' profits rise and fall with crude prices. Linked by “hormuz” (oil) in this story.
- CVX Chevron
Chevron (petroleum refining): oil producers' profits rise and fall with crude prices. Linked by “hormuz” (oil) in this story.
- FRO Frontline
Frontline (deep sea foreign transportation of freight): tanker owners earn more when more crude has to move by sea. Linked by “hormuz” (tanker shipping) 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 | +15.71% | +7.84% | base | +1.93% | +2.60% | -1.88% | -2.71% |
| XLE | +8.14% | +5.85% | base | -2.34% | -2.99% | -2.45% | -2.06% |
| BWET | +32.30% | +28.62% | base | -4.78% | -4.78% | -17.72% | -26.29% |
| ITA | +0.76% | +0.87% | base | -4.00% | -2.69% | +1.03% | +2.09% |
| EWY | +6.31% | -0.43% | base | -12.71% | -10.02% | -6.62% | -8.58% |
| XOM | +8.08% | +6.08% | base | -2.44% | -1.94% | -2.77% | -2.97% |
| CVX | +6.66% | +5.01% | base | -0.72% | -1.81% | -3.16% | -2.66% |
| FRO | +16.66% | +7.37% | base | -6.75% | -5.98% | -8.68% | -9.52% |
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.
Seoul to seek parliamentary approval to extend anti-piracy Cheonghae unit’s area to about 650km from the vital strait after criticism from Donald Trump on Iran war support South Korea plans to expand the operations of its anti-piracy unit…
Source: The Guardian
Strait of Hormuz
| Company | When | Move | Status |
|---|---|---|---|
| BWET | that day | -4.78% | final price |
| BWET | the next day | -4.78% | final price |
| BWET | two days later | -17.72% | final price |
| BWET | three days later | -26.29% | final price |
| BWET | three days earlier | +28.62% | final price |
| BWET | five days earlier | +32.30% | final price |
| CVX | that day | -0.72% | final price |
| CVX | the next day | -1.81% | final price |
| CVX | two days later | -3.16% | final price |
| CVX | three days later | -2.66% | final price |
| CVX | three days earlier | +5.01% | final price |
| CVX | five days earlier | +6.66% | final price |
| EWY | that day | -12.71% | final price |
| EWY | the next day | -10.02% | final price |
| EWY | two days later | -6.62% | final price |
| EWY | three days later | -8.58% | final price |
| EWY | three days earlier | -0.43% | final price |
| EWY | five days earlier | +6.31% | final price |
| FRO | that day | -6.75% | final price |
| FRO | the next day | -5.98% | final price |
| FRO | two days later | -8.68% | final price |
| FRO | three days later | -9.52% | final price |
| FRO | three days earlier | +7.37% | final price |
| FRO | five days earlier | +16.66% | final price |
| ITA | that day | -4.00% | final price |
| ITA | the next day | -2.69% | final price |
| ITA | two days later | +1.03% | final price |
| ITA | three days later | +2.09% | final price |
| ITA | three days earlier | +0.87% | final price |
| ITA | five days earlier | +0.76% | final price |
| USO | that day | +1.93% | final price |
| USO | the next day | +2.60% | final price |
| USO | two days later | -1.88% | final price |
| USO | three days later | -2.71% | final price |
| USO | three days earlier | +7.84% | final price |
| USO | five days earlier | +15.71% | final price |
| XLE | that day | -2.34% | final price |
| XLE | the next day | -2.99% | final price |
| XLE | two days later | -2.45% | final price |
| XLE | three days later | -2.06% | final price |
| XLE | three days earlier | +5.85% | final price |
| XLE | five days earlier | +8.14% | final price |
| XOM | that day | -2.44% | final price |
| XOM | the next day | -1.94% | final price |
| XOM | two days later | -2.77% | final price |
| XOM | three days later | -2.97% | final price |
| XOM | three days earlier | +6.08% | final price |
| XOM | five days earlier | +8.08% | final price |
Congressional trades in the stocks in this story
- Rep. Pete Sessions sold ExxonMobil Holdings (XOM), worth $1,001 - $15,000 on 14 Oct 2026. That is 22 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Kevin Hern sold ExxonMobil Holdings (XOM) (jointly held), worth $100,001 - $250,000 on 31 Aug 2026. That is 66 days before publication. Filed 25 Sep 2026. View the filing.
- Rep. Pete Sessions sold Chevron (CVX), worth $15,001 - $50,000 on 14 Oct 2026. That is 22 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Kevin Hern sold Chevron (CVX) (jointly held), worth $15,001 - $50,000 on 23 Sep 2026. That is 43 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 64 days before publication. Filed 7 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).
How busy Strait of Hormuz has been lately
Geopolitics Alpha has 187 stories about Strait of Hormuz from the past 7 days and 714 stories from the past 30. That is about its usual pace over the past month. “South Korea says it will expand naval operations closer to strait of Hormuz” is tagged to Strait of Hormuz.
How solid the defense case looks
12 out of 100
“South Korea says it will expand naval operations closer to strait of Hormuz” scores 12 out of 100. The score uses 1 sources.