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Multifractal detrending moving average cross-correlation analysis
cross-correlations multifractal detrended cross-correlation analysis extensive numerical experiments
2011/3/30
There are a number of situations in which several signals are simultaneously recorded in complex systems, which exhibit long-term power-law cross-correlations. The multifractal detrended cross-correla...
Statistical Properties of Cross-Correlation in the Korean Stock Market
correlation matrix random matrix theory markowitz portfolio theory
2010/10/22
We investigate the statistical properties of the correlation matrix between individual stocks traded in the Korean stock market using the random matrix theory (RMT) and observe how these affect the po...
Cross-Correlation Dynamics in Financial Time Series
Cross-Correlation Dynamics Financial Time Series
2010/10/18
The dynamics of the equal-time cross-correlation matrix of multivariate financial time series is explored by examination of the eigenvalue spectrum over sliding time windows. Empirical results for the...
Multiscaled Cross-Correlation Dynamics in Financial Time-Series
Multiscaled Cross-Correlation Dynamics Financial Time-Series
2010/10/18
The cross correlation matrix between equities comprises multiple interactions between traders with varying strategies and time horizons. In this paper, we use the Maximum Overlap Discrete Wavelet Tran...
Cross-correlation of long-range correlated series
Cross-correlation long-range correlated series
2010/12/17
A method for estimating the cross-correlation $C_{xy}(\tau)$ of long-range correlated series $x(t)$ and $y(t)$, at varying lags $\tau$ and scales $n$, is proposed. For fractional Brownian motions with...
Multifractal detrended cross-correlation analysis for two nonstationary signals
Multifractal detrended cross-correlation analysis nonstationary signals
2010/12/17
It is ubiquitous in natural and social sciences that two variables, recorded temporally or spatially in a complex system, are cross-correlated and possess multifractal features. We propose a new meth...