Brent crude oil surged 4.6% in a single day, closing at around $88.10 per barrel, hitting a new one-month high. This strong rebound is mainly driven by a sharp escalation in Middle East geopolitical risks.

The core catalysts are the escalation of the US-Iran conflict and increased navigational risks through the Strait of Hormuz. The market is concerned that oil transportation in the Persian Gulf could be disrupted (about one-fifth of the world’s crude oil passes through this chokepoint). This, along with military actions such as Iranian attacks on facilities in Gulf neighbor countries and consecutive US airstrikes, has forced oil prices to quickly price in a high “war risk premium.”

The knock-on effects have spread to the macro level:

- Inflation worries: Energy costs jumped, rekindling global inflation expectations, which could push the US and Europe central banks to delay rate cuts and keep interest rates high for longer;
- Market divergence: US stocks in energy and defense/aviation industries benefit, while high oil-consuming sectors such as airlines and logistics—and tech stocks—face pressure;
- Livelihood transmission: China’s refined fuel price adjustment window faces upward pressure, and logistics and travel costs will rise accordingly.

In the short term, oil prices are completely tied to developments in the Middle East. If shipping lanes are effectively blocked or oil production facilities are hit persistently, Brent could test levels above $90; if signals of easing tensions emerge, unwinding the risk premium could trigger a sharp pullback, and market volatility will be significantly amplified.