A JOINT DISTRIBUTION OF TWO-DIMENSIONAL BROWNIAN MOTION WITH AN APPLICATION TO AN OUTSIDE BARRIER OPTION

  • Published : 2004.06.01

Abstract

This paper derives a distribution function of the terminal value and running maximum of two-dimensional Brownian motion {X($\tau$) = (X$_1$($\tau$), X$_2$ ($\tau$))', $\tau$ 〉0}. One random variable of the joint distribution is the terminal time value, X$_1$ (T). The other random variable is the maximum of the Brownian motion {X$_2$($\tau$), $\tau$〉} between time s and time t. With this distribution function, this paper also derives an explicit pricing formula for an outside barrier option whose monitoring period starts at an arbitrary date and ends at another arbitrary date before maturity.

Keywords

References

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