The Spanish index closes September at 19,426.20 points after a 0.47% decline this Wednesday. So far in 2026, it has risen by 11.06%, although the third quarter ends with a 0.23% drop.
The Ibex 35 has closed September down 2.7% and the third quarter with a 0.23% decrease, after falling 0.47% this Wednesday to 19,426.20 points. Thus, the Spanish index ends the month at levels seen in July, although it maintains a revaluation of 11.06% since the beginning of the year, according to catalunyapress.es.
The evolution of the Spanish market occurs in a context marked by doubts about the development of artificial intelligence, the entrenchment of the conflict in the Middle East, and the significant rise in oil prices. At the close of European stock exchanges, Brent rose 1.26% to $103.88 per barrel, while West Texas Intermediate (WTI) increased 2.71% to $91.80.
In the entirety of 2026, Repsol has accumulated a rise of 87.94%, followed by ArcelorMittal with 52.03%, and Acerinox with 37.12%. On the contrary, Fluidra records the largest drop at 23.66%, ahead of Amadeus, which loses 17.54%, and Cellnex, with a decrease of 15.42%.
In Wednesday's session, Puig led the gains in the Ibex 35 with 2.15%, followed by Solaria (+1.89%), Inditex (+1.20%), and Acerinox (+0.99%). Merlin Properties topped the losses with 2.61%, followed by Mapfre (-2.09%), Fluidra (-1.56%), and ACS (-1.51%).
The rest of the major European markets also ended the day in negative territory. The British FTSE 100 fell 0.29%, the French Cac 40 dropped 0.89%, the German Dax decreased 0.79%, the Italian FTSE MIB fell 0.84%, and the Euro Stoxx 50 declined 0.81%.
The energy market has been influenced by the evolution of the conflict in the Middle East. The Iranian government has confirmed that it has received the official response from the United States to its proposal to reactivate peace talks, after Donald Trump rejected Tehran's plan.
Washington has also announced new sanctions against individuals and entities accused of facilitating weapons and technological components to Iran's Ministry of Defence. The measures affect, among others, the Iranian airline Saha Airlines and the Russian companies Yakovlev and MG-Flot, previously known as TransMorFlot.
Analysts at XTB believe that US indices have performed better than the bond market and point out that corporate profits and technological leadership continue to support prices, despite rising energy and financing costs. Looking ahead to October, they highlight the need for corporate results to maintain their strength and for financing to stabilise.
Allianz Global Investors holds a more optimistic view and expects a "stronger" year-end for the global economy, supported, according to its analysts, by corporate profits in sectors linked to artificial intelligence, electrification, and infrastructure.
In the United States, the Department of Commerce has placed the PCE index at 3.4%, while the core rate stands at 3%. Additionally, second-quarter GDP growth has been revised upwards to 0.7%.
In fixed income, the Spanish ten-year bond has dropped to 4.121% and the risk premium has settled at 55.38 basis points. The euro has risen 0.15% against the dollar, to $1.1359. Gold has advanced 0.19% to $4,187 per ounce, and bitcoin has increased 0.83% to $83,701. The cryptocurrency has accumulated a rise of 43.1% in the quarter.
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