2 papers
q-fin.PM2026
Portfolio Optimization for Commodity ETFs under Heavy-Tailed Returns
Nicholas Appiah, Ali Jaffri, Dilmi C. W. Hettiachchi-Halpe-Kankanamalage +1
This paper examines portfolio optimization for commodity exchange-traded funds (ETFs) under heavy-tailed return behavior. Using daily Bloomberg data for 30 U.S.-listed commodity ET…
q-fin.MF2026
Innovative Extensions to Option Pricing: Asymmetric Brownian Motion and Random Walk Approaches
Jagdish Gnawali, Abootaleb Shirvani, Dilmi C. W. Hettiachchi-Halpe-Kankanamalage +3
Classical option pricing models, such as Bachelier and Black--Scholes--Merton, postulate symmetric Brownian diffusion, which limits their capacity to reflect empirical phenomena in…