A weaker anomalous diffuser can prolong its survival against a stronger normal diffuser by restarting its memory at its peak, a 'selective recalling-forgetting' strategy.
Scaling Features of Price-Volume Cross-Correlation
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abstract
Price without transaction makes no sense. Trading volume authenticates its corresponding price, so there exist mutual information and correlation between price and trading volume. We are curious about fractal features of this correlation and need to know how structures in different scales translate information. To explore the influence of investment size (trading volume), price-wise (gain/loss), and time-scale effects, we analyzed the price and trading volume and their coupling by applying the MF-DXA method. Our results imply that price, trading volume, and price-volume coupling exhibit a power law and are also multifractal. Meanwhile, considering developed markets, the price-volume couplings are significantly negatively correlated. However, in emerging markets, the price has less of a contribution to price-volume coupling. In emerging markets in comparison with the developed markets, trading volume and price are more independent.
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physics.soc-ph 1years
2019 1verdicts
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The strategy of survival for a competition between normal and anomalous diffusion
A weaker anomalous diffuser can prolong its survival against a stronger normal diffuser by restarting its memory at its peak, a 'selective recalling-forgetting' strategy.