Discrete Scale Invariance and the "Second Black Monday"
James A. Feigenbaum, Peter G. O. Freund
Abstract
Evidence is offered for log-periodic (in time) fluctuations in the S&P 500 stock index during the three years prior to the October 27, 1997 "correction". These fluctuations were expected on the basis of a discretely scale invariant rupture phenomenology of stock market crashes proposed earlier.
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