4
Pollster
40dB.
Quality grade B
Spanish research organisation. Polls commissioned by EL PAÍS and Cadena SER. Source documentation: https://ep00.epimg.net/infografias/encuestas40db/2026/10-08-barometro-flash/2026_10_informe_voto_barometro_flash.pdf . Grade B is the existing system default, not an independently assessed Votendi quality rating. No bias adjustment applied.
Published data