# Oil prices settle up more than $4 a barrel on renewed US-Iran fighting | Reuters

> Brent settled up $4.16 (4.6%) at $94.65 and WTI rose $4.46 (5.2%) to $90.22 on September 1, reaching five-week highs. Traders feared more supply disruption as US-Iran fighting resumed.

- Date: 2026-08-31 · published 2026-08-31T12:00:00.000Z
- Category: geopolitics · region Middle East · magnitude medium
- Page: https://feedsoft.ai/events/17635-oil-prices-settle-up-more-than-4-a-barrel-on-renewed-us-iran-fighting-reuters
- Commodities: [Crude Oil (WTI)](https://feedsoft.ai/c/WTI.md), [Crude Oil (Brent)](https://feedsoft.ai/c/BRENT.md)

## Why it matters

Renewed fighting raises the risk of further supply losses, which lifts diesel, fertilizer and freight costs for feed producers. Sustained crude strength keeps input costs elevated.

## Read by commodity

- WTI: bullish ▲
- BRENT: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| WTI | 2026-01-13 | [Oil prices rise by more than $1 a barrel on potential Iran supply disruption \| Reuters](https://feedsoft.ai/events/11389-oil-prices-rise-by-more-than-1-a-barrel-on-potential-iran-supply-disruption.md) | +1.5% | +7.9% |
| WTI | 2026-08-30 | [Oil settles up by more than 2.5% as US and Iran resume military attacks \| Reuters](https://feedsoft.ai/events/18065-oil-settles-up-by-more-than-2-5-as-us-and-iran-resume-military-attacks-reuters.md) | +9.6% | +4.0% |
| WTI | 2025-06-17 | [Oil prices rise more than 4% as Iran-Israel conflict escalates \| Reuters](https://feedsoft.ai/events/10994-oil-prices-rise-more-than-4-as-iran-israel-conflict-escalates-reuters.md) | -9.9% | -6.8% |
| WTI | 2026-07-31 | [Oil prices settle more than 1% higher, log strongest month since March \| Reuters](https://feedsoft.ai/events/18519-oil-prices-settle-more-than-1-higher-log-strongest-month-since-march-reuters.md) | -7.4% | -0.3% |
| WTI | 2026-01-12 | [Oil prices settle at 7-week high on worries about Iran exports \| Reuters](https://feedsoft.ai/events/11391-oil-prices-settle-at-7-week-high-on-worries-about-iran-exports-reuters.md) | +0.7% | +9.3% |
| BRENT | 2026-01-13 | [Oil prices rise by more than $1 a barrel on potential Iran supply disruption \| Reuters](https://feedsoft.ai/events/11389-oil-prices-rise-by-more-than-1-a-barrel-on-potential-iran-supply-disruption.md) | +1.4% | +8.5% |
| BRENT | 2026-08-30 | [Oil settles up by more than 2.5% as US and Iran resume military attacks \| Reuters](https://feedsoft.ai/events/18065-oil-settles-up-by-more-than-2-5-as-us-and-iran-resume-military-attacks-reuters.md) | +10.8% | +22.9% |
| BRENT | 2025-06-17 | [Oil prices rise more than 4% as Iran-Israel conflict escalates \| Reuters](https://feedsoft.ai/events/10994-oil-prices-rise-more-than-4-as-iran-israel-conflict-escalates-reuters.md) | -1.7% | -5.5% |

## Sources

- reuters.com: https://www.reuters.com/business/energy/oil-prices-rise-latest-fighting-resurrects-middle-east-supply-disruption-risks-2026-09-01/
- streetinsider.com: https://www.streetinsider.com/Commodities/Oil+prices+jump+4%25+as+fresh+US-Iran+fighting+stokes+supply+fears/27007262.html

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