The Ibex 35 drops 1.17% as oil moves above $100 a barrel and government debt yields rise. Spanish banks are watching credit demand closely, but lending volumes remain healthy for now.
At 19,216.52 points, the Ibex 35 was down 1.17% in the available intraday snapshot. Oil had moved above $100 a barrel, and government debt yields were rising again. The sell-off spread across Europe, while losses in the United States were more moderate. Spanish banks became the clearest test of whether higher borrowing costs are starting to weaken credit demand.
The banking figures do not show a broad collapse in lending yet. The latest European data available from July recorded a 16.4% year-on-year increase in new housing credit. Consumer lending rose 3%, and lending to companies increased 8%. The available research does not independently confirm every figure cited for July.
Spain's 10-year bond yield rose to 4.144%, from 4.07% the previous day, while the spread over German bonds widened to 64.6 basis points.
The picture in Spain was uneven. New housing and consumer credit deteriorated, but the outstanding balance grew because repayments were lower. Credit to companies increased 5% and remains the more important segment for the banking sector. Higher debt yields could slow demand later, yet the figures available still point to a healthy market.
The mechanics are simple. Banks earn interest income from the rate charged on loans and from the amount of credit they grant. Rates are moving in their favour, and lending volumes have held up so far. That mix explains why investors are putting pressure on the sector even though its day-to-day operations have not suffered a clear break.
Other Ibex 35 stocks showed a sharper divide. Rovi rose more than 2%. Repsol also benefited from stronger crude prices and the release of third-quarter operating data. Its refining margin more than doubled from 2T2026 despite a lower average crude price. Efficiency improved, and the company used more of both its distillation and conversion capacity. A filing to Spain's CNMV put the refining-margin benchmark in Spain at $36.2 per barrel in the third quarter. That was up 158.6% from $14 in the second quarter and 311% from $8.8 a year earlier. Repsol also reported a 4.2% increase in production, to 574,000 barrels of oil equivalent per day.
Repsol's refining-margin benchmark of $36.2 per barrel was its highest level since the second quarter of 2022, when the figure reached $23.3 amid the energy crisis that followed the start of the war in Ukraine. The improvement was not uniform across the portfolio: the chemical business margin fell 32% quarter on quarter to €387 per tonne, although it remained above the €258 recorded a year earlier.
ArcelorMittal fell more than 3%. Its European production leaves it highly exposed to energy costs, so expensive oil and power are a direct problem for the company. Solaria also dropped as investors cut risk across the market.
The pressure reached well beyond Madrid. Italy's FTSE MIB fell more than 2%, with banks leading the decline. France's CAC and Germany's DAX also weakened. A 10-year French bond yield rose 12 basis points. That added to fears that higher financing costs could hit consumption and worsen public accounts. Spain's market exposure can also be viewed alongside the corporate holdings described in an earlier portfolio analysis. Market coverage tied the European sell-off to inflation risks and expectations of further monetary tightening, not oil alone.
Oil remains the most visible outside trigger. On 7 October, Brent rose above $100 a barrel as attacks targeted shipping in the Strait of Hormuz. Middle Eastern crude exports have recovered to close to 80% of their pre-war levels, but the Strait of Hormuz remains under pressure. The barrel price still carries a large geopolitical premium.
Government-bond yields rose at the same time. The dollar strengthened, and traders began pricing in further rate increases by major central banks. Expectations for Bank of England rates by the end of the following year rose by more than 100 basis points. The euro weakened against the dollar amid concern over France, although the high level of United States debt limits how far the exchange-rate deterioration can go.
This session does not yet support the view that Spanish bank credit caused the market shock. Costly energy, rising public financing costs and expectations of tighter monetary policy offer a stronger explanation. Banks remain relatively resilient because corporate lending and the overall balance are still holding up, but investors are watching weaker future demand as the sector's main vulnerability. Repsol gained from the oil surge, while the wider Ibex 35 took the hit from a more expensive financial environment.
