Model Differences in Log Returns of Stock Prices

Consider differences in log returns for Apple stocks:
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Fit a TsallisQGaussianDistribution to the data and compare against the fit with a NormalDistribution:
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Compare a histogram of the data to the PDF of the fitted distributions:
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Inspect the heavy-tail behavior:
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Find the probability that the log difference in price is above $0.10:
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Simulate the log difference in price for 30 consecutive days:
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