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The Statistical Difference of Chinese Stock Market Risk Before and After the Stock Index Futures Based on VAR Method

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Executive Summary

This paper examines the VaRs of daily stock market returns before and after the introduction of stock index futures contract trading in China from a statistical perspective. VaRs, in this paper, are estimated with Peaks Over Threshold (POT) method fitting the tails of data distributions well. The key empirical results show that the VaRs of daily returns before stock index futures are greater than those after the stock index futures at the same significance levels. The market risk of Chinese stock market decreased after the introduction of stock index futures.

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