Stochastic volatility of financial marke
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A. Christian Silva; Victor M. Yakovenko
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Article
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2007
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Elsevier Science
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English
β 459 KB
We present an empirical study of the subordination hypothesis for a stochastic time series of a stock price. The fluctuating rate of trading is identified with the stochastic variance of the stock price, as in the continuous-time random walk (CTRW) framework. The probability distribution of the stoc