A Machine Learning–Based Long–Short Decision Framework for Hourly EUR/USD Forecasting under Strict Temporal Alignment. Journal of Expert Systems and Sustainable Development, [S. l.], v. 2, n. 1, p. 41–57, 2026. DOI: 10.65069/jessd21202610. Disponível em: https://essd-journal.org/index.php/essd/article/view/10. Acesso em: 11 jul. 2026.