Effects of Firm-Specific Public Announcements on Market Dynamics: Implications for High-Frequency Traders

Erdinç Akyildirim*, Albert Altarovici, Cumhur Ekinci

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

4 Citations (Scopus)

Abstract

We investigate the effects of firm-specific announcements during the year 2010 for companies listed on Borsa Istanbul. These announcements were obtained from the Public Disclosure Platform Kamuyu Aydinlatma Platformu, which is the first official channel for accessing company-related news. Specifically, liquidity dynamics, such as time- and quantity-weighted bid and ask prices, spreads, limit order book aggregates, and waiting times between buy and sell orders, as well as trade dynamics, such as volume-weighted average price, price variance, price fluctuation, volumes, and number of buyer- and seller-initiated trades, and intertrade durations during continuous auction, are compared for the period before and after the arrival of particular types of news. The results are examined for the eventual application of high-frequency trading strategies.

Original languageEnglish
Title of host publicationHandbook of High Frequency Trading
PublisherElsevier Inc.
Pages305-326
Number of pages22
ISBN (Electronic)9780128023624
ISBN (Print)9780128022054
DOIs
Publication statusPublished - 4 Feb 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Inc. All rights reserved.

Keywords

  • Borsa istanbul
  • Firm-specific news
  • High frequency
  • Liquidity
  • Public disclosure platform (kamuyu aydinlatma platformu-KAP)
  • Trading

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