An Exactly Solvable Discrete Stochastic Process with Correlated Properties

Jongwook Kim and Junghyo Jo

Papers from arXiv.org

Abstract: We propose a correlated stochastic process of which the novel non-Gaussian probability mass function is constructed by exactly solving moment generating function. The calculation of cumulants and auto-correlation shows that the process is convergent and scale invariant in the large but finite number limit. We demonstrate that the model consistently explains both the distribution and the correlation of discrete financial time-series data, and predicts the data distribution with high precision in the small number regime.

Date: 2013-05
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