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In recent years, the change in Korea Exchange has aroused the world's concern for financial derivatives. In this paper, we analyzed the reason of the KOSPI 200 index option's success and the impact of launch of KOSPI 200 option. We used GARCH-GK (1,1) model analyze the changes in volatility of KOSPI 200 index futures. We found that the launch of KOSPI 200 index option aggravates the liquidity and the volatility of KOSPI 200 index futures. The conclusion is important reference of China to launch Hu-Shen 300 index option and build the thorough risk prevention. KEYWORLD: KOSPI 200 option; KOSPI 200 futures; liquidity; volatility; Hu-Shen 300 index

The Effect on KOSPI 200 Futures after Launching KOSPI 200 Option