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Informed trading in the index option market : the case of KOSPI 200 options
Ahn, Hee-joon; Kang, Jangkoo; Ryu, Doojin - In: The journal of futures markets 28 (2008) 12, pp. 1118-1146
Persistent link: https://www.econbiz.de/10003773141
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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
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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/10009958517
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Information asymmetry and investor trading behavior around bond rating change announcements
Yang, Heejin; Ahn, Hee-joon; Kim, Maria H.; Ryu, Doojin - In: Emerging markets review 32 (2017), pp. 38-51
Persistent link: https://www.econbiz.de/10011803209
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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
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Phase-transition behavior in the emerging market : evidence from the KOSPI200 futures market
Hwang, Keunho; Kang, Jangkoo; Ryu, Doojin - In: International review of financial analysis 19 (2010) 1, pp. 35-46
Persistent link: https://www.econbiz.de/10008668729
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Which trades move asset prices? : an analysis of futures trading data
Kang, Jangkoo; Ryu, Doojin - In: Emerging markets finance & trade : a journal of the … 46 (2010), pp. 7-22
Persistent link: https://www.econbiz.de/10008903656
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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
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Does trading by small investors improve or deteriorate price efficiency? : evidence from the minimum trade unit changes on the Korea exchange
Ahn, Hee-joon - In: International Journal of Financial Studies : open … 2 (2014) 2, pp. 203-219
In this study, we investigate the effect of minimum trade unit (MTU) reductions on the Korea Exchange (KRX) on price efficiency. The KRX switched its MTU from 10 shares to one share for high-price stocks twice, once in December 2004 and once in July 2006. The MTU changes were intended to attract...
Persistent link: https://www.econbiz.de/10010373263
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Decimalization and competition among stock markets : evidence from the Toronto Stock Exchange cross-listed securities
Ahn, Hee-joon - In: Journal of financial markets 1 (1998) 1, pp. 51-87
Persistent link: https://www.econbiz.de/10001249273