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Study of statistical correlations in intraday and daily financial return time series
Study of statistical correlations intraday daily financial return time series Statistical Finance
2012/4/28
The aim of this article is to briefly review and make new studies of correlations and co-movements of stocks, so as to understand the "seasonalities" and market evolution. Using the intraday data of t...
Scaling and memory in the return intervals of realized volatility
Econophysics Realized volatility Return interval Scaling Long memory
2010/10/29
We performreturn interval analysis of 1-min realized volatility defined by the sum of absolute high-frequency intraday returns for the Shanghai Stock Exchange Composite Index (SSEC) and 22 constituent...
A long-range memory stochastic model of the return in financial markets
Models of financial markets Stochastic equations Power-law distributions Long memory processes
2010/10/29
We present a nonlinear stochastic differential equation (SDE) which mimics the probability density function (PDF) of the return and the power spectrum of the ab-solute return in financial markets. Abs...
Scaling and Memory Effect in Volatility Return Interval of the Chinese Stock Market
Scaling Memory Effect Volatility Return Interval Chinese Stock Market
2010/12/20
We investigate the probability distribution of the volatility return intervals $\tau$ for the Chinese stock market. We rescale both the probability distribution $P_{q}(\tau)$ and the volatility return...