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KDI JEP Expiration Day Effects in Korean Stock Market: Wag the Dog? December 31, 2003

KDI JEP
KDI JEP KOR Expiration Day Effects in Korean Stock Market: Wag the Dog?

December 31, 2003

  • KDI
    Chang Park
  • KDI
    Kyung-Mook Lim

Despite the great success of the derivatives market, several concerns were expressed regarding the additional volatilitystemming from program trading during the expiration of derivatives. This paper examines the impact of the expiration of the KOSPI 200 index derivatives on cash market of Korea Stock Exchange(KSE). The KOSPI 200 index derivatives market has a unique settlement price determination process. The settlement price for the expiration of derivatives is determined by call auction during the last 10 minutes after the trades for matured derivatives are finalized. We analyze typical expiration day effects such as price, volatility, and volume effects. With high frequency data, we find that there are strong expiration day effects in the KSE and try to interpret the results with the unique settlement procedures of the KOSPI 200 cash and derivatives markets.

Contents
 Ⅰ. 서 론
 Ⅱ. 한국증권거래소의 시장구조
 Ⅲ. 실증분석
 Ⅳ. 결 론
 참고문헌
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