no code implementations • 15 Apr 2025 • Jeonggyu Huh, Jaegi Jeon, Hyeng Keun Koo
Solving large-scale, continuous-time portfolio optimization problems involving numerous assets and state-dependent dynamics has long been challenged by the curse of dimensionality.
no code implementations • 22 Jan 2025 • Jeonggyu Huh, Jaegi Jeon, Hyeng Keun Koo, Byung Hwa Lim
We present a Pontryagin-Guided Direct Policy Optimization (PG-DPO) method for constrained dynamic portfolio choice - incorporating consumption and multi-asset investment - that scales to thousands of risky assets.
no code implementations • 4 Aug 2022 • Constantinos Kardaras, Hyeng Keun Koo, Johannes Ruf
Fund models are statistical descriptions of markets where all asset returns are spanned by the returns of a lower-dimensional collection of funds, modulo orthogonal noise.