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multiscaling in Finnish stock markets.Furthermore, the scaling factor and the long-memory parameters of the volatility series are …This paper investigates the dependence of average stock market volatility on the timescale or on the time interval used … to measure price changes, which dependence is often referred to as the scaling law.Scaling factor, on the other hand …
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Asset returns conforming to a Gaussian random walk are characterised by the temporal independence of the moments of the distribution. Employing currency returns, this note demonstrates the conditions that are necessary for risk to be estimated in this manner.
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