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Robust recursive estimation for financial time series

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10386862" target="_blank" >RIV/00216208:11320/18:10386862 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Robust recursive estimation for financial time series

  • Original language description

    The generalized autoregressive conditional heteroscedasticity (GARCH) process is a particular modelling scheme, which is capable of forecasting the current level of volatility of financial time series. Recently, recursive estimation methods suitable for this class of stochastic processes have been introduced in the literature. They undoubtedly represent attractive alternatives to the standard non-recursive estimation procedures with many practical applications. It is truly advantageous to adopt numerically effective estimation techniques that can estimate and control such models in real time. However, abnormal observations (outliers) may occur in data. They may be caused by many reasons, e.g. by additive errors, measurement failures or management actions. Exceptional data points will influence the model estimation considerably if no specific action is taken. The aim of this contribution is to propose and examine a robust recursive estimation algorithm suitable for GARCH models. It seems to be useful for various financial time series, in particular for (high-frequency) financial returns contaminated by additive outliers. The introduced algorithm can be effective in the risk control and regulation when the prediction of volatility is the main concern since it distinguishes and corrects outlaid bursts of volatility. Real data examples are presented.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10103 - Statistics and probability

Result continuities

  • Project

    <a href="/en/project/GA17-00676S" target="_blank" >GA17-00676S: Dynamic models of risk in finance and insurance</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Conference Proceedings

  • ISBN

    978-80-87990-14-8

  • ISSN

  • e-ISSN

    neuvedeno

  • Number of pages

    9

  • Pages from-to

    563-571

  • Publisher name

    Melandrium

  • Place of publication

    Praha

  • Event location

    Praha

  • Event date

    Sep 6, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000455809400056