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This is the first study to examine the intraday price discovery and volatility transmission processes between the Singapore Exchange and the China Financial Futures Exchange. Using one- and five-minute high-frequency data from May to November 2011, we found that China's CSI 300 index futures...
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A number of studies on the S&P 500 index options market claim that the no arbitrage assumption cannot be rejected for this market because either the martingale restriction defined in Longstaff (1995) cannot be rejected by the data, or, even when it is rejected, a large proportion of the...
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We investigate the out-of-sample predictability of implied volatility using the information over the implied volatility surface. We show that implied volatility surface is useful for the out-of -sample forecast of implied volatility up to one week ahead. Trading strategies based on the...
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We apply the directed acyclic graph and spillover index models and find significant evidence of both implied volatility contagion and spillover. First, the global implied volatility smiles exhibit strong regional clustering. The European and American options markets form a separate contemporary...
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