Information Content of Adjusted Implied Volatility in the KOSPI 200 Index Options Market

This study examines the forecasting ability of the adjusted implied volatility (AIV), which is suggested by Kang, Kim and Yoon (2009), using the horserace competition with historical volatility, model-free implied volatility, and BS implied volatility in the KOSPI 200 index options market. The adjus...

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Veröffentlicht in:Seonmul yeongu (Online) 2009-11, Vol.17 (4), p.75-103
Hauptverfasser: Kang, Byung Jin, Kang, Sohyun, Yoon, Sun-Joong
Format: Artikel
Sprache:eng
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Zusammenfassung:This study examines the forecasting ability of the adjusted implied volatility (AIV), which is suggested by Kang, Kim and Yoon (2009), using the horserace competition with historical volatility, model-free implied volatility, and BS implied volatility in the KOSPI 200 index options market. The adjusted implied volatility is applicable when investors are not risk averse or when underlying returns do not follow a normal distribution. This implies that AIV is consistent with the presence of risk premia for other risk such as volatility risk and jump risk. Using KOSPI 200 index options, it is shown that the AIV outperforms other volatility estimates in terms of the unbiasedness for future realized volatilities as well as the forecasting errors.
ISSN:2713-6647
1229-988X
2713-6647
DOI:10.1108/JDQS-04-2009-B0003