DOĞAN, Sermet; AYTEKIN, Sinan. Challenging the Efficient Market Hypothesis: Multifractal Insights into Price – Volume Cross-Correlations in the S&P 500. Scientific Annals of Economics and Business, Iasi, Romania, 2026. DOI: 10.47743/saeb-2026-0010. Disponível em: https://saeb.feaa.uaic.ro/index.php/saeb/article/view/3590. Acesso em: 16 mar. 2026.