NAGERI, Kamaldeen; TOYIN ABDULRAHMAN, Fatimoh. Market Efficiency and Volatility Dynamics in the Nigerian Stock Exchange: Evidence from the Pre- and Post-COVID-19 Lockdown Period. Innovation Journal of Social Sciences and Economic Review, London, U.K., v. 8, n. 1, p. 44–57, 2026. DOI: 10.36923/ijsser.v8i1.343. Disponível em: https://ijsser.com/index.php/ijsser/article/view/10.36923.ijsser.v8i1.343. Acesso em: 5 mar. 2026.