Showing econ.EMShow all
2 papers · 1 filter
econ.EM2025
Multivariate Affine GARCH with Heavy Tails: A Unified Framework for Portfolio Optimization and Option Valuation
Ayush Jha, Abootaleb Shirvani, Ali Jaffri +2
This paper develops and estimates a multivariate affine GARCH(1,1) model with Normal Inverse Gaussian innovations that captures time-varying volatility, heavy tails, and dynamic co…
econ.EM2025
Advancing Portfolio Optimization: Adaptive Minimum-Variance Portfolios and Minimum Risk Rate Frameworks
Ayush Jha, Abootaleb Shirvani, Ali Jaffri +2
This study presents the Adaptive Minimum-Variance Portfolio (AMVP) framework and the Adaptive Minimum-Risk Rate (AMRR) metric, innovative tools designed to optimize portfolios dyna…