Iran’s Revolutionary Guards declare Strait of Hormuz closed amid intense US-Iran strikes
Question
Iran’s Revolutionary Guards declare Strait of Hormuz closed amid intense US-Iran strikes
Direct answer
Brent crude futures (LCOc1) spiked over 4% to around $79/bbl and WTI (CLc1) above $74/bbl, while risk-off flows supported the dollar index (DXY) and pressured European equities such as STOXX 600.
- Original publisher
- Market Ontology
- Evidence through
- 2026-07-13
- Published
- 2026-10-20
- Revision
- 1 · 2026-10-20
Cite as: Market Ontology, “Iran’s Revolutionary Guards declare Strait of Hormuz closed amid intense US-Iran strikes”, revision 1, evidence through 2026-07-13. https://marketontology.com/market-events/2026-07-13/iran-s-revolutionary-guards-declare-strait-of-hormuz-closed-amid-intense-us-iran-b80b5f
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What happened next
Price follow-up pending — no stored daily closes for these assets yet.
Closing prices from stored daily bars; returns measured from the last close on or before the event date. Not a recommendation.
Sources
Related
- 2026-10-21US Secretary of State Marco Rubio says a peace deal with Iran is extremely difficult and vows continued economic pressure over Hormuz shippingBRENT CRUDE DXY XAUUSD
- 2026-10-21Iran says it will keep the Strait of Hormuz closed until Washington accepts its conditionsBZ=F DXY JKM
- 2026-10-20President Trump says the United States is hitting Iran economically and militarilyBZ=F DXY ITA
- 2026-10-20Iran prolongs talks with the United States as Tehran keeps its Strait of Hormuz reopening proposal conditional on sanctions reliefBZ=F DXY ZIM
- 2026-10-20Iran prolongs US talks as Tehran keeps seven-day Hormuz reopening proposal on the tableBZ=F DXY ZIM
- 2026-10-20Qatar's Foreign Ministry says US-Iran negotiations continue despite rising tensionsBRENT CRUDE DXY GOLD
- 2026-10-20Iran's Revolutionary Guards claim an advanced air-defense system shot down a US MQ-9 drone over HormuzBZ=F DXY ITA
- 2026-10-20Iranian First Vice President Mohammad Reza Aref says Tehran must assert control of the Strait of HormuzBRN DXY GC
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