Similar Search Results

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

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

Intraday option price changes and net buying pressure

Ryu, Doojin; Yang, Heejin - In: Applied economics letters 29 (2022) 4, pp. 292-297

Persistent link: https://www.econbiz.de/10012803523

Vega-informed trading and options market reform

Ryu, Doojin; Ryu, Doowon; Yang, Heejin - In: Applied economics letters 27 (2020) 1, pp. 19-24

Persistent link: https://www.econbiz.de/10012205363

Investors' net buying pressure and implied volatility dynamics

Ryu, Doojin; Webb, Robert I.; Yang, Heejin; Yu, Jinyoung - In: Borsa Istanbul Review 22 (2022) 4, pp. 627-640

influence of different investor types' net options demand on the KOSPI200 options-implied volatility dynamics. We extend Bollen … impacts of net buying pressure on implied volatility, and the effect of regulatory reform in the options market. Our empirical … institutions' net demand is the most informative about the underlying market volatility independent of the market reform, while …

Persistent link: https://www.econbiz.de/10013334805

Whose sentiment explains implied volatility change and smile?

Ryu, Doojin; Ryu, Doowon; Yang, Heejin - In: Finance research letters 55 (2023) 1, pp. 1-6

Persistent link: https://www.econbiz.de/10014473013

Does the world smile together? : a network analysis of global index option implied volatilities

Chen, Jing; Han, Qian; Ryu, Doojin; Tang, Jing - In: Journal of international financial markets, … 77 (2022), pp. 1-20

Persistent link: https://www.econbiz.de/10013357053

Implied pricing Kernels : an alternative approach for option valuation

Ryu, Doojin; Kang, Jangkoo; Suh, Sangwon - In: The journal of futures markets 35 (2015) 2, pp. 127-147

Persistent link: https://www.econbiz.de/10011348461

Is the KOSPI 200 options market efficient? : parametric and nonparametric tests of the Martingale restriction

Guo, Biao; Han, Qian; Ryu, Doojin - In: The journal of futures markets 33 (2013) 7, pp. 629-652

Persistent link: https://www.econbiz.de/10009756544

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