Application of ARMA Model in Forecasting Nigerian Stock Price Index (NSPI). International Journal of Development Mathematics (IJDM), [S. l.], v. 2, n. 2, p. 345–357, 2025. DOI: 10.62054/ijdm/0202.20. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/196.. Acesso em: 27 aug. 2026.