Showing 1 - 10 of 60
for optimizing Value-at-Risk (VaR) and daily capital charges, based on choosing wisely from: (1) conditional, stochastic … taking at the expense of providing accurate measures and forecasts of risk and VaR. …
Persistent link: https://www.econbiz.de/10010731770
In this paper we consider a nonlinear model based on neural networks as well as linear models to forecast the daily volatility of the S&P 500 and FTSE 100 indexes. As a proxy for daily volatility, we consider a consistent and unbiased estimator of the integrated volatility that is computed from...
Persistent link: https://www.econbiz.de/10010732616
Realized variance, being the summation of squared intra-day returns, has quickly gained popularity as a measure of daily volatility. Following Parkinson (1980) we replace each squared intra-day return by the high-low range for that period to create a novel and more efficient estimator called the...
Persistent link: https://www.econbiz.de/10010837783
__Abstract__ The paper investigates the impact of jumps in forecasting co-volatility, accommodating leverage effects. We modify the jump-robust two time scale covariance estimator of Boudt and Zhang (2013) such that the estimated matrix is positive definite. Using this approach we can...
Persistent link: https://www.econbiz.de/10011274348
__Abstract__ Two of the fastest growing frontiers in econometrics and quantitative finance are time series and financial econometrics. Significant theoretical contributions to financial econometrics have been made by experts in statistics, econometrics, mathematics, and time series analysis. The...
Persistent link: https://www.econbiz.de/10011274351
__Abstract__ One of the fastest growing areas in empirical finance, and also one of the least rigorously analyzed, especially from a financial econometrics perspective, is the econometric analysis of financial derivatives, which are typically complicated and difficult to analyze. The purpose of...
Persistent link: https://www.econbiz.de/10011274352
The internal models amendment to the Basel Accord allows banks to use internal models to forecast Value-at-Risk (VaR … used to forecast VaR thresholds under a variety of distributional assumptions. The results suggest that, within the current …
Persistent link: https://www.econbiz.de/10010731585
more risk models, whether individually or as combinations, to measure Value-at-Risk (VaR). The risk estimates of these … previous violations, whereby realised losses exceed the estimated VaR. McAleer et al. (2009) proposed a new approach to model … selection for predicting VaR, consisting of combining alternative risk models, and comparing conservative and aggressive …
Persistent link: https://www.econbiz.de/10010732600
-at-Risk (VaR) forecast that combines the forecasts of different VaR models. The robust forecast is based on the median of the point … VaR forecasts of a set of conditional volatility models. This risk management strategy is GFC-robust in the sense that … 2008-09 global financial crisis. We investigate the performance of a variety of single and combined VaR forecasts in terms …
Persistent link: https://www.econbiz.de/10010732610
The papers in this special issue of Mathematics and Computers in Simulation are substantially revised versions of the papers that were presented at the 2011 Madrid International Conference on “Risk Modelling and Management” (RMM2011). The papers cover the following topics: currency hedging...
Persistent link: https://www.econbiz.de/10010732625