| Asymm | Asymmetric loss function | 
| dM1 | Distance measure defined in Eq. (3.1) of Li et al. (2016) | 
| dMA | Discrepancy measure defined in Eq. (4.2) of Li et al. (2016) | 
| Frobenius | Frobenius distance | 
| LE | Euclidean distance | 
| Leig | Eigenvalue loss function | 
| Lelw | Loss function defined in Eq. (4.6) of Engle et al. (2016) | 
| MAE | Mean Absolute Error | 
| MSE | Mean Square Error | 
| StatPerMeas | Statistical performance measures to evaluate conditional covariance matrix estimates. | 
| Stein | Stein loss function. |