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Viscoelastic behavior of stock indices
Date
2010-12-15
Author
Gündüz, Güngör
Guenduez, Yalin
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The scattering diagram of a stock index results in a complex network structure, which can be used to analyze the viscoelastic properties of the index. The change along x-or y-direction of the diagram corresponds to purely elastic (or spring like) movement whereas the diagonal change at an angle of 45 degrees corresponds to purely viscous (or dashpot like) movement. The viscous component pushes the price from its current value to any other value, while the elastic component acts like a restoring force. Four indices, namely, DJI, S&P-500, NASDAQ-100, and NASDAQ-composite were studied for the period of 2001-2009. NASDAQ-composite displayed very high elasticity while NASDAQ-100 displayed the highest fluidity in the time period considered. The fluidity of DJI and S&P-500 came out to be close to each other, and they are almost the same in the second half of the period.
Subject Keywords
Statistics and Probability
,
Condensed Matter Physics
URI
https://hdl.handle.net/11511/57339
Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
DOI
https://doi.org/10.1016/j.physa.2010.09.010
Collections
Department of Chemical Engineering, Article