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The Impact of Single Stock Futures on Market Efficiency and Volatility: A Dynamic CAPM Approach
Authors:Imran Riaz Malik  Attaullah Shah
Institution:1. Management Sciences Department, IQRA University, Islamabad Campus, Islamabad, Pakistan;2. Management Sciences Department, IMSciences, Peshawar, Pakistan
Abstract:The concerns regarding regulations of futures markets and their destabilizing ability are unresolved in both developed and developing markets. Following stringent regulations of single stock futures (SSFs) for resumption episode after financial crises, this study addresses this concern and investigates the destabilizing impact of SSFs on the underlying stocks in an emerging economy using data of companies listed in the Karachi Stock Exchange between 1999 and 2008. Specifically, the study explores whether SSFs have caused a simultaneous increase in the volatility and operational efficiency of their underlying spot market counterparts. The results reported in the study show that the introduction of SSFs has no significant impact on market efficiency and volatility of SSFs underlying stocks and non-SSFs stocks. The results affirm that SSFs have, at least, no destabilizing impact on the underlying stocks.
Keywords:CAPM  GED  GJR-GARCH  SSFs
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