Investopedia

Calculating Covariance for Stocks

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Somer G. Anderson is CPA, doctor of accounting, and an ...
JSTOR Daily

Optimality of the Sample Variance-Covariance Matrix in Repeated Measurement Designs

This is a preview. Log in through your library . Abstract This paper adds motivations for the use of the sample variance-covariance matrix estimator $\hat{\Sigma}$ in repeated measurement designs by: ...
JSTOR Daily

The eigenvalues of the sample covariance matrix of a multivariate heavy-tailed stochastic volatility model

This is a preview. Log in through your library . Abstract We consider a multivariate heavy-tailed stochastic volatility model and analyze the large-sample behavior of its sample covariance matrix. We ...
Investopedia

Parametric Method in Value at Risk (VaR): Definition and Examples

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...
International Monetary Fund

High-Dimensional Covariance Matrix Estimation: Shrinkage Toward a Diagonal Target

Download PDF More Formats on IMF eLibrary Order a Print Copy Create Citation This paper proposes a novel shrinkage estimator for high-dimensional covariance matrices by extending the Oracle ...