A Two-Layer Attribution Framework for Portfolios Built from Mixed-Asset ProductsJan 1, 2026·Yao Tung Huang (Don HUANG)· 0 min readTypePreprintPublicationWorking paper, AQUMON ResearchLast updated on Jan 1, 2026Working-Paper Portfolio Attribution Wealth Management AuthorsYao Tung Huang (Don HUANG)Co-Founder & Chief Scientist, AQUMON Drift Minimization under Lot-Size Constraints: A Practical Integer-Share Rebalancing Problem in Robo-Advisory Jan 1, 2025 →