Forecasting and Financial Risk Analysis Using ARIMA Intervention Model: A Case Study on JMAS Tbk. Indonesian Actuarial Journal, [S. l.], v. 2, n. 1, p. 013–023, 2026. DOI: 10.65689/iajvol2no1pp013-023. Disponível em: https://iaj.aktuaris.or.id/index.php/iaj/article/view/iajvol2no1pp013-023. Acesso em: 31 jul. 2026.