Notation, Naming, and General Definitions

  • Gilles Zumbach
Part of the Springer Finance book series (FINANCE)

Abstract

The empirical studies included in this book are done over multiple time scales, and a large part with high-frequency time series. The usual notations need to be extended in order to denote accurately the time and time interval(s) dependencies in the computed time series like returns and volatilities. For inhomogeneous time series, a set of convenient operators is introduced, which makes it possible to estimate efficiently derived quantities like returns, volatilities, and volatility changes, with definitions that are appropriate for random time series. The choice of a convenient normalization annualizes systematically the derived quantities in order to easily compare statistics across time horizons. The definitions of the average, expectation, and histogram complete the set of basic tools needed for the empirical analysis.

Keywords

Time Series Financial Time Series Return Definition Physical Time Interval Business Time 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Gilles Zumbach
    • 1
  1. 1.Consulting in Financial ResearchSaconnex d’ArveSwitzerland

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