TUHIN MUKHERJEE; MANDAL, Subhrajyoti. Informational Content Of India Vix: Evidence From Volatility Envelopes, Causality, And Conditional Volatility Of Nifty Monthly Returns  During 2015-2025. International Journal of Innovations in Science, Engineering And Management, [S. l.], v. 5, n. 2, p. 100–111, 2026. DOI: 10.69968/ijisem.2026v5i2100-111. Disponível em: https://ijisem.com/journal/index.php/ijisem/article/view/478. Acesso em: 20 apr. 2026.