Malayappan, R. (2025) “Single Index Model : Constructing Optimal Portfolios from Nifty 50 Constituents Using Different Time Horizons and Analyzing Their Performance Against the Nifty 50 Index”, Indian Journal of Research in Capital Markets, 12(1), pp. 41–64. doi: 10.17010/ijrcm/2025/v12i1/175090.