경영과학 (Korean Management Science Review)

한국경영과학회 (The Korean Operations Research and Management Science Society)
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외국인 거래정보를 이용한 트레이딩시스템의 성과분석

Performance Analysis on Trading System using Foreign Investors' Trading Information

  • 김선웅 (국민대학교 비즈니스IT전문대학원) ;
  • 최흥식 (국민대학교 비즈니스IT전문대학원)
  • Kim, Sunwoong (The Graduate School of Business IT, Kookmin University) ;
  • Choi, Heungsik (The Graduate School of Business IT, Kookmin University)
  • 투고 : 2015.07.27
  • 심사 : 2015.10.01
  • 발행 : 2015.12.31
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초록

It is a familiar Wall Street adage that "It takes volume to make prices move." Numerous researches have found the positive correlation between trading volume and price changes. Recent studies have documented that informed traders have strong influences on stock market prices through their trading with distinctive information power. Ever since 1992 capital market liberalization in Korea, it is said that foreign investors make consistent profits with their superior information and analytical skills. This study aims at whether we can make a profitable trading strategy by using the foreign investors' trading information. We analyse the relation between the KOSPI index returns and the foreign investors trading volume using GARCH models and VAR models. This study suggests the profitable trading strategies based on the documented relation between the foreign investors' trading volume and KOSPI index returns. We simulate the trading system with the real stock market data. The data include the daily KOSPI index returns and foreign investors' trading volume for 2001~2013. We estimate the GARCH and VAR models using 2001~2011 data and simulate the suggested trading system with the remaining out-of-sample data. Empirical results are as follows. First, we found the significant positive relation between the KOSPI index returns and contemporaneous foreign investors' trading volume. Second, we also found the positive relation between the KOSPI index returns and lagged foreign investors' trading volume. But the relation showed no statistical significance. Third, our suggested trading system showed better trading performance than B&H strategy, especially trading system 2. Our results provide good information for uninformed traders in the Korean stock market.

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참고문헌

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