bmgarch: Bayesian Multivariate GARCH Models

Fit Bayesian multivariate GARCH models using 'Stan' for full Bayesian inference. Generate (weighted) forecasts for means, variances (volatility) and correlations. Currently DCC(P,Q), CCC(P,Q), pdBEKK(P,Q), and BEKK(P,Q) parameterizations are implemented, alongside a constant covariance baseline (that can be used for testing whether GARCH is warranted), based either on a multivariate gaussian normal or student-t distribution. DCC and CCC models are based on Engle (2002) <doi:10.1198/073500102288618487> and Bollerslev (1990). The BEKK parameterization follows Engle and Kroner (1995) <doi:10.1017/S0266466600009063> while the pdBEKK as well as the estimation approach for this package is described in Rast et al. (2020) <doi:10.31234/osf.io/j57pk>. The fitted models contain 'rstan' objects and can be examined with 'rstan' functions.

Version:	2.1.0
Depends:	methods, R (≥ 4.0.0), Rcpp (≥ 1.0.5)
Imports:	forecast, ggplot2, loo, MASS, Rdpack, rstan (≥ 2.26.0), rstantools (≥ 2.1.1)
LinkingTo:	BH (≥ 1.72.0-0), Rcpp (≥ 1.0.5), RcppParallel (≥ 5.0.1), RcppEigen (≥ 0.3.3.7.0), RcppParallel (≥ 5.0.1), rstan (≥ 2.26.0), StanHeaders (≥ 2.26.0)
Suggests:	cmdstanr, posterior, testthat (≥ 2.3.2)
Published:	2026-05-21
DOI:	10.32614/CRAN.package.bmgarch
Author:	Philippe Rast [aut, cre], Stephen Martin [aut]
Maintainer:	Philippe Rast <rast.ph at gmail.com>
BugReports:	https://github.com/ph-rast/bmgarch/issues
License:	GPL (≥ 3)
NeedsCompilation:	yes
SystemRequirements:	GNU make
Additional_repositories:	https://stan-dev.r-universe.dev
Materials:	README, NEWS
In views:	Finance
CRAN checks:	bmgarch results

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