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首页> 外文期刊>International Journal of Modern Physics, C. Physics and Computers >Random-walk type model with fat tails for financial markets
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Random-walk type model with fat tails for financial markets

机译:金融市场上带有肥尾的随机游走类型模型

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摘要

Starting from the random-walk model, practices of financial markers are included into the random-walk so that fat tail distributions like those in the high frequency data of the SP500 index are reproduced, though the individual mechanisms are modeled by normally distributed date. The incorporation of local correlation narrows the distribution for "frequent" events, whereas global correlations due to technical analysis leads to fat tails. Delay of market transactions in the trading process shifts the fat tail probabilities dowmwards. Such an inclusion of reactions to market fluctuations leads to mini-trends which are distributed with unit variance.
机译:从随机游走模型开始,将金融标记的做法包括在随机游走中,以便复制胖尾分布,如SP500指数的高频数据中的那些,尽管各个机制都是按正态分布的日期建模的。本地相关性的并入会缩小“频繁”事件的分布,而由于技术分析而导致的全局相关性会导致发尾。交易过程中市场交易的延迟改变了胖尾概率的可能性。对市场波动的反应的这种包含会导致以单位方差分布的小趋势。

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