Oil Prices Jump 5% on Fresh Iran Strikes: BP and Shell Gain, IAG Fuel Costs Rise

What happened to oil prices and why

Brent crude jumped more than 5% to touch a daily high of $79.26 a barrel after the United States carried out fresh strikes on Iran, unravelling a ceasefire that had briefly calmed the region. Gas prices moved up alongside oil, and government bond yields rose as investors priced in a bigger risk of inflation staying higher for longer. Oil prices react quickly to any threat near the Strait of Hormuz, the narrow shipping channel that a large share of the world's seaborne oil and gas passes through, because any disruption there raises the risk of an actual supply shortfall rather than just a passing scare.

Why it matters for energy and travel stocks

A sudden jump in the price of crude oil pulls different parts of the market in close to opposite directions. Companies that produce and sell oil earn more for every barrel they pump when the price rises, which supports revenue even before any change in output. Companies that burn a lot of fuel to run their business, most obviously airlines, see costs rise the moment crude climbs, often before they can pass that cost on through ticket prices. A single event like this therefore cuts two ways across the FTSE 100 rather than moving every company the same way.

Which stocks, and why

BP and Shell both sell crude oil and refined products into a global market priced off Brent, so a jump of this size lifts the revenue they earn on existing production almost immediately, even though neither company is named directly in this particular report. The effect is real but this move looks like a short term price spike tied to one specific escalation rather than a structural change in the oil market, so it reads as a modest near term boost rather than a lasting shift in either company's underlying earnings power.

International Airlines Group sits on the other side of this move. Jet fuel is one of the largest costs an airline carries, and it is priced closely to crude oil. A 5% jump in Brent raises the cost of flying every route IAG operates, at least until fuel hedges and ticket prices catch up. As with the oil majors, this looks like a short lived cost pressure tied to one geopolitical flare up rather than a lasting hit to the airline group's business.

What to watch

The key question is whether the ceasefire breakdown holds or whether diplomacy pulls the region back from the brink again, since oil and travel stocks have already moved on similar headlines several times this year. Watch Brent's level over the coming days rather than reading too much into one day's move, along with any reports of disruption around the Strait of Hormuz, and IAG's own commentary on fuel hedging and ticket pricing at its next trading update.