FTSE 100 ends lower as oil price pushes higher
FTSE 100 closed down 0.4% at 10,862.50 and FTSE 250 down 0.4% at 24,744.54 as oil rose on Iran Strait of Hormuz reopening concerns. Brent October traded at $86.35/bbl. BP and Shell gained, while BAT and Imperial Brands fell. Persimmon and Barratt Redrow dropped on higher bond yields; Plus500 reported 12% revenue growth.
How this was made

The 30-second read
Why it matters
Oil strength and geopolitical escalation supported energy prices, while higher yields pressured housebuilders and a specific Citigroup downgrade weighed on Legal & General. Vistry also faced a potentially large insurance-coverage reduction risk reported by the Financial Times. Plus500 moved higher on its interim results.
Market read
This is a cross-asset UK market wrap with several same-day, company-specific catalysts (LGEN downgrade, Vistry insurance risk, Plus500 interim results) layered on top of oil and rates-driven sector rotation.
What to watch
The article highlights US CPI and additional jobs data before the September Fed meeting; rate expectations could dominate sector performance more than the oil headline.
Background
FTSE 100 closed lower as oil extended gains after Iran’s Revolutionary Guard Corps warned it would not reopen the Strait of Hormuz until US demands are met.
Ticker impact
Oil prices rose on Iran Strait of Hormuz risk, lifting BP shares 1.4% in London trading.
Near-term upside bias if oil holds gains; reverses if geopolitical risk fades.
The article directly links the day’s oil move to BP’s same-session outperformance, but provides no BP-specific fundamentals.
Rising oil prices on Strait of Hormuz uncertainty pushed Shell shares up 0.6% in the FTSE 100.
Likely tracks oil direction over the next sessions.
The text attributes Shell’s move to oil price gains, with no additional Shell catalyst.
Tobacco stocks fell as the oil-driven risk tone hit London, with British American Tobacco down 4.4%.
Downside pressure may persist if macro/geopolitical risk keeps weighing on defensives.
The article does not cite BTI-specific news, only that it was a prominent faller during the session.
Market effects
Higher oil on Strait of Hormuz risk lifts energy majors but can pressure rate-sensitive and defensives; housebuilders face headwinds from higher yields.
UK equities mixed with US indices mixed, while FX and US Treasury yields moved, reinforcing a cross-asset risk repricing.
Middle East shipping risk is a global oil input, likely to spill into European energy, inflation expectations, and rates sensitivity.
Counterpoint
Some of the equity moves (especially miners and other top risers) may be flow-driven and could reverse if oil’s geopolitical premium fades quickly.
Key entities
- companyBP
FTSE 100 energy major up 1.4% as oil prices rose on Strait of Hormuz risk.
- companyShell
FTSE 100 energy major up 0.6% alongside crude strength.
- companyLegal & General
Down 1.6% after Citigroup downgraded to 'sell' from 'neutral'.
- companyVistry
Down 12% after FT said Allianz Trade plans to cut supplier cover by up to 70%.
- companyPlus500
Up 2.1% after reporting 12% revenue growth and higher pretax profit.

