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|Title:||High dimensional estimator of the maximum Sharpe ratio with and without short sales||Authors:||Li, Qinyu||Keywords:||Science::Mathematics||Issue Date:||2020||Publisher:||Nanyang Technological University||Abstract:||A cross-validated weighted estimator is proposed for the population maximum Sharpe ratio with and without short sales. The estimator is an optimal linear combination of a factor analysis-based estimator and a linear shrinkage estimator, which is expected to remain competitive in various covariance structures. Simulation results imply that the weighted estimator outperforms at least one of its constituting estimators under certain covariance structure and the difference is significant, especially when the dimension is large or close to the sample size.||URI:||https://hdl.handle.net/10356/140169||Fulltext Permission:||restricted||Fulltext Availability:||With Fulltext|
|Appears in Collections:||SPMS Student Reports (FYP/IA/PA/PI)|
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