# Oil settles down 9% after Iran declares Strait of Hormuz open | Reuters

> Oil fell about 9% on Friday after Iran declared the Strait of Hormuz open, easing supply fears. Trump said the US would recover enriched uranium at a leisurely pace while talks on a memorandum to end the war continued. A US military blockade of Iran remains in effect.

- Date: 2026-04-17 · published 2026-04-17T12:00:00.000Z
- Category: geopolitics · region Middle East · magnitude high
- Page: https://feedsoft.ai/events/8807-oil-settles-down-9-after-iran-declares-strait-of-hormuz-open-reuters
- Commodities: [Crude Oil (WTI)](https://feedsoft.ai/c/WTI.md), [Crude Oil (Brent)](https://feedsoft.ai/c/BRENT.md), [ULSD / Diesel](https://feedsoft.ai/c/DIESEL.md), [Natural Gas](https://feedsoft.ai/c/NATGAS.md)

## Why it matters

Reopening Hormuz eases the geopolitical risk premium and tightens-to-loosens physical crude flows, pushing energy prices lower. Lower diesel and crude costs also ease feed transport and fertilizer input pressures, while the blockade keeps the reversal risk alive.

## Read by commodity

- WTI: bearish ▼
- BRENT: bearish ▼
- DIESEL: bearish ▼
- NATGAS: bearish ▼

## Linked price moves

| Commodity | Date | Window | Change % | z-score | Why linked |
| --- | --- | --- | --- | --- | --- |
| BRENT | 2026-04-17 | 1 | -15.4% | -3.7 | Iran declaring the Strait of Hormuz open on Apr 17 eased supply-disruption fears and drove the ~9% one-day Brent drop directly. |
| BRENT | 2026-04-20 | 5 | -16.1% | -3.2 | Oil settled down about 9% on Friday as Hormuz reopening eased supply fears, directly within the 5-day window. |

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| WTI | 2026-04-17 | [Oil prices: Oil tumbles more than 10% as Iran declares Strait of Hormuz open](https://feedsoft.ai/events/8808-oil-prices-oil-tumbles-more-than-10-as-iran-declares-strait-of-hormuz-open.md) | +2.3% | +7.9% |
| WTI | 2026-04-17 | [Oil price drops below $90 a barrel after Iran says strait of Hormuz is open \| Oil \| The Guardian](https://feedsoft.ai/events/8812-oil-price-drops-below-90-a-barrel-after-iran-says-strait-of-hormuz-is-open-oil.md) | +2.3% | +7.9% |
| WTI | 2026-02-01 | [Oil settles down over 4% on US-Iran de-escalation, easing supply worries \| Reuters](https://feedsoft.ai/events/8794-oil-settles-down-over-4-on-us-iran-de-escalation-easing-supply-worries-reuters.md) | -1.6% | +9.9% |
| WTI | 2026-03-10 | [Oil dives, settles down 11% after Trump predicts Middle East de-escalation \| Reuters](https://feedsoft.ai/events/6628-oil-dives-settles-down-11-after-trump-predicts-middle-east-de-escalation-reuters.md) | -1.3% | +20.4% |
| WTI | 2026-05-05 | [Oil prices fall 4% as fragile US-Iran ceasefire holds, two ships pass through Strait of Hormuz \| Reuters](https://feedsoft.ai/events/9581-oil-prices-fall-4-as-fragile-us-iran-ceasefire-holds-two-ships-pass-through.md) | -7.6% | -11.4% |
| BRENT | 2026-04-17 | [Oil prices: Oil tumbles more than 10% as Iran declares Strait of Hormuz open](https://feedsoft.ai/events/8808-oil-prices-oil-tumbles-more-than-10-as-iran-declares-strait-of-hormuz-open.md) | +1.3% | +0.6% |
| BRENT | 2026-04-17 | [Oil price drops below $90 a barrel after Iran says strait of Hormuz is open \| Oil \| The Guardian](https://feedsoft.ai/events/8812-oil-price-drops-below-90-a-barrel-after-iran-says-strait-of-hormuz-is-open-oil.md) | +1.3% | +0.6% |
| BRENT | 2026-02-01 | [Oil settles down over 4% on US-Iran de-escalation, easing supply worries \| Reuters](https://feedsoft.ai/events/8794-oil-settles-down-over-4-on-us-iran-de-escalation-easing-supply-worries-reuters.md) | -3.1% | +0.6% |

## Sources

- reuters.com: https://www.reuters.com/business/energy/oil-falls-prospects-talks-end-iran-war-revive-supply-2026-04-17/

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.