Computational finance: a very long walk down Wall Street
Date
2013
Authors
Yeap, T.
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Journal article
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Global Economy and Finance Journal, 2013; 6(2):54-67
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Abstract
Proponents of the random walk have attempted to show that there seems to be a resemblance between a plot of random price in a time-series and the actual stock market. This paper takes a step further, by simulating such a plot over a period of more than 220,000,000 years and to determine whether among the very long time sequence of values if any sequence resembles that of Dow Jones Industrial Average (DJIA). The experimental simulation presented in this paper is the first to visualize the Random Walk Hypothesis with DJIA actual drift vis-à-vis the DJIA actual outcome. Existing papers on Random Walk Hypothesis attempted to show that a randomly simulated price-time plot seems to resemble the price-time plot of the stock market. In contrast, this paper shows that despite numerous attempts to produce a sequence using randomly generated numbers over more than 220,000,000 of human years, there is no possibility that random walk plots resemble the DJIA.
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Copyright 2013 Zia World Press