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Anomalous waiting times in high-frequency financial data

  • Enrico Scalas
  • , Rudolf Gorenflo
  • , Hugh Luckock
  • , Francesco Mainardi
  • , Maurizio Mantelli
  • , Marco Raberto

Research output: Contribution to journalArticlepeer-review

Abstract

In high-frequency financial data not only returns, but also waiting times between consecutive trades are random variables. Therefore, it is possible to apply continuous-time random walks (CTRWs) as phenomenological models of the high-frequency price dynamics. An empirical analysis performed on the 30 DJIA stocks shows that the waiting-time survival probability for high-frequency data is non-exponential. This fact imposes constraints on agent-based models of financial markets.

Original languageEnglish
Pages (from-to)695-702
Number of pages8
JournalQuantitative Finance
Volume4
Issue number6
DOIs
Publication statusPublished - Dec 2004
Externally publishedYes

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