Keyphrases
Portfolio Analysis
100%
Dynamic Covariance Matrix
100%
High-frequency Data
100%
Covariance Estimation
100%
Covariance Matrix Estimation
100%
Noisy Data
66%
Covariance Matrix
66%
Measurement Error
33%
Market Conditions
33%
Estimation Method
33%
Covariance
33%
Structure Change
33%
Dynamic Change
33%
Financial Returns
33%
Promising Applications
33%
Investment Portfolio
33%
Risk Quantification
33%
Portfolio Performance
33%
Dynamic Covariance
33%
Sparse Portfolio
33%
Minimal Variance
33%
Matrix-based
33%
Return Series
33%
Mathematics
High-Frequency Data
100%
Covariance Matrix Estimation
100%
Covariance
100%
Portfolio Analysis
100%
Covariance Matrix
50%
Noisy Data
50%
Variance
25%
Estimation Method
25%
Measurement Error
25%
Computer Science
Portfolio Analysis
100%
Covariance Matrix
100%
Estimation Method
33%
Measurement Error
33%
Economics, Econometrics and Finance
Portfolio Selection
100%
Estimation Theory
100%