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- W3149207972 abstract "The interaction between the volatility and price dynamics is explored. We model stochastic asset prices using the asset flow model with randomness arising directly from supply and demand. We show that the volatility is smallest at the extrema of the price. Linearizing the stochastic differential equation (SDE) about equilibrium, we obtain an exact relation for the autocovariance function, and relate it to the (3 by 3) Jacobian of the linearized SDE. In particular, we find the conditions under which one has a pair of complex conjugate eigenvalues of the Jacobian resulting in oscillations. The frequency of the oscillations depends only on the imaginary part of the complex pair, while the decay rate depends only on the real eigenvalue and the real parts of the complex pair. For the deterministic system, oscillations typically decay rapidly. However, randomness induces oscillations to continue indefinitely with a frequency that depends on the parameters of the deterministic system. The computations and analytical results presented here demonstrate that volatility increases when traders place greater emphasis on trend, confirming a generally held belief among practitioners." @default.
- W3149207972 created "2021-04-13" @default.
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- W3149207972 date "2020-01-01" @default.
- W3149207972 modified "2023-09-23" @default.
- W3149207972 title "Stochastic Asset Flow Equations: Interdependence of Trend and Volatility" @default.
- W3149207972 doi "https://doi.org/10.2139/ssrn.3757759" @default.
- W3149207972 hasPublicationYear "2020" @default.
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