POONAM; MALIK, N. S. Risk–Return Efficiency of Stochastic Oscillator Strategies in BRICS During COVID-19 and Geopolitical Conflicts. Indian Journal of Finance, [S. l.], v. 19, n. 10, p. 39–52, 2025. DOI: 10.17010/ijf/2025/v19i10/175678. Disponível em: https://www.indianjournaloffinance.co.in/index.php/IJF/article/view/175678. Acesso em: 27 oct. 2025.