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Dowd (version 0.12)

GumbelCopulaVaR: Bivariate Gumbel Copule VaR

Description

Derives VaR using bivariate Gumbel or logistic copula with specified inputs for normal marginals.

Usage

GumbelCopulaVaR(mu1, mu2, sigma1, sigma2, beta, cl)

Arguments

mu1
Mean of Profit/Loss on first position
mu2
Mean of Profit/Loss on second position
sigma1
Standard Deviation of Profit/Loss on first position
sigma2
Standard Deviation of Profit/Loss on second position
beta
Gumber copula parameter (greater than 1)
cl
VaR onfidece level

Value

Copula based VaR

References

Dowd, K. Measuring Market Risk, Wiley, 2007.

Dowd, K. and Fackler, P. Estimating VaR with copulas. Financial Engineering News, 2004.

Examples

Run this code
# VaR using bivariate Gumbel for X and Y with given parameters:
   GumbelCopulaVaR(1.1, 3.1, 1.2, 1.5, 1.1, .95)

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