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Following recent advances in the non-parametric realized volatility approach, we separately measure the discontinuous jump part of the quadratic variation process for individual stocks and incorporate it into heterogeneous autoregressive volatility models. We analyze the distributional...
Persistent link: https://www.econbiz.de/10013004411
Persistent link: https://www.econbiz.de/10011326620
The paper develops a tail risk forecasting model that incorporates the wealth of economic and financial information … available to risk managers. The approach can be viewed as a regularized extension of the two-stage GARCH-EVT model of McNeil and … extreme value distribution of risk. We use a rich data set from the US equity market to explore when this additional …
Persistent link: https://www.econbiz.de/10013214142
can grasp concepts from quantitative risk management. To this end, we enter a scholarly discussion with ChatGPT in the … courses on quantitative risk management, and address risk in general, risk measures, time series, extremes and dependence. As … a result, the non-technical aspects of risk (such as explanations of various types of financial risk, the driving …
Persistent link: https://www.econbiz.de/10014375303
Demonstration of the omnipresence of noise in financial correlation/covariance matrices revealed by means of random matrix theory, a branch of probability theory.Introduction of the Shannon entropy as a measure of noise in correlation matrices. Demonstration of substantial entropy decrease as a...
Persistent link: https://www.econbiz.de/10013060895
Alexander Izmailov, Ph.D (theoretical physics) and Brian Shay, Ph.D (mathematics) of Market Memory Trading, L.L.C. present, in a series of nine (9) white papers, aspects of a revolutionary advance in uncovering hidden dependencies via filtering noise from correlation matrices developed by the...
Persistent link: https://www.econbiz.de/10013061422
; Staatsanleihen; Strom Forwards; stylized facts von Finanzzeitreihen; Value at Risk; Verteilung von Anleiherenditen … Gaussian distribution (NIG distribution); realized moments; stylized facts of financial time series; value at risk … jeweils eine Value at Risk-Berechnung. Im ersten Kapitel wird die Verteilung von Renditen europäischer Staatsanleihen …
Persistent link: https://www.econbiz.de/10011440567
Persistent link: https://www.econbiz.de/10012627102
allocation problems, Value-at-Risk and time series models. The paper is complemented with an extensive simulation study and an … application to financial data. -- Distribution functions ; dimension reduction ; risk management ; statistical models …
Persistent link: https://www.econbiz.de/10003727552