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Bounds on the Expected Value of Maximum Loss of Fractional Brownian Motion

In this study, it is theoretically proven that the expected value of maximum loss of fractional Brownian motion (fBm) up to time 1 with Hurst parameter $[1/2,1)$ is bounded above by $2/\sqrtπ$ and below by $1/\sqrtπ$. This result is generalized for fBm with $H\in[1/2,1)$ up to any fixed time, $t$. This also leads us to the bounds related to the distribution of maximum loss of fBm. As numerical study some lower bounds on the expected value of maximum loss of fBm up to time 1 are obtained by discretization. Simulation study is conducted with Cholesky method. Finally, comparison of the established bounds with simulation results is given.

preprint2013arXivOpen access
Ceren VardarHatice Cakar
math.PR
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Ceren VardarHatice Cakar

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