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Implied volatility index of KOSPI200 : information contents and properties

Ryu, Doojin - In: Emerging markets finance & trade : a journal of the … 48 (2012), pp. 24-39

Persistent link: https://www.econbiz.de/10009682531

The information content of trades : an analysis of KOSPI 200 index derivatives

Ryu, Doojin - In: The journal of futures markets 35 (2015) 3, pp. 201-221

Persistent link: https://www.econbiz.de/10011348449

Changes in the options contract size and arbitrage opportunities

Song, Joonhyuk; Ryu, Doojin; Yu, Jinyoung - In: The journal of futures markets 43 (2023) 1, pp. 122-137

Persistent link: https://www.econbiz.de/10013465898

Informativeness of truncation in the options market

Lee, Geul; Ryu, Doojin; Yang, Li - In: Finance research letters 72 (2025), pp. 1-6

Persistent link: https://www.econbiz.de/10015176872

Information effects of trade size and trade direction : evidence from the KOSPI 200 index options market

Ahn, Hee-joon; Kang, Jangkoo; Ryu, Doojin - In: Asia-Pacific journal of financial studies 39 (2010) 3, pp. 301-339

Persistent link: https://www.econbiz.de/10009230522

Regime-dependent relationships between the implied volatility index and stock market index

Lee, Jaeram; Ryu, Doojin - In: Emerging markets finance & trade : a journal of the … 50 (2014) 5, pp. 5-17

Persistent link: https://www.econbiz.de/10010485198

Modeling and predicting the market volatility index : the case of VKOSPI

Han, Heejoon; Kutan, Ali Mustafa; Ryu, Doojin - 2015

The KOSPI 200 options are one of the most actively traded derivatives in the world. This paper empirically examines (a) the statistical properties of the Korea's representative implied volatility index (VKOSPI) derived from the KOSPI 200 options and (b) macroeconomic and financial variables that...

Persistent link: https://www.econbiz.de/10010478493

Common deviation and regime-dependent dynamics in the index derivatives markets

Lee, Jaeram; Kang, Jangkoo; Ryu, Doojin - In: Pacific-Basin finance journal 33 (2015), pp. 1-22

Persistent link: https://www.econbiz.de/10011474037

Asymmetric mispricing and regime-dependent dynamics in index futures and options markets

Lee, Jaeram; Ryu, Doojin - In: Asian economic journal : journal of the East Asian … 30 (2016) 1, pp. 47-65

Persistent link: https://www.econbiz.de/10011525887

Are the KOSPI 200 implied volatilities useful in value-at-risk models?

Kim, Jun Sik; Ryu, Doojin - In: Emerging markets review 22 (2015), pp. 43-64

Persistent link: https://www.econbiz.de/10011304192