Abstract:
The probability distribution of stock price changes is studied by analyzing a database (the Trades and Quotes Database) documenting every trade for all stocks in three major US stock markets, for the two year period January 1994 - December 1995. A sample of 40 million data points is extracted, which is substantially larger than studied hitherto. We find an asymptotic power-law behavior for the cumulative distribution with an exponent \(a \approx 3\), well outside the Lévy regime \((0 < \alpha < 2)\).
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Received: 23 April 1998 / Revised and Accepted: 24 April 1998
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Gopikrishnan, P., Meyer, M., Amaral, L. et al. Inverse cubic law for the distribution of stock price variations. Eur. Phys. J. B 3, 139–140 (1998). https://doi.org/10.1007/s100510050292
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DOI: https://doi.org/10.1007/s100510050292