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This paper investigates persistence in high-frequency, intraday data (and also daily and monthly ones) in the case of the EuroStoxx 50 futures over the period from 2002 to 2018 (720 million trade records) using R/S analysis and the Hurst exponent as a measure of persistence. The results indicate...
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that algorithmic traders withdrew liquidity and generated uninformative volatility in Swiss franc currency pairs, while …
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-daily seasonality pattern, and an abnormal trade- and volatility intensity at Thursdays and Fridays. We find no predictability for … Bitcoin returns is also found to be time-varying. We also study the behaviour of the realized volatility of Bitcoin. We … document a remarkable high percentage of jumps above 80% . We also find that realized volatility exhibits: (i) long memory; (ii …
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