Managing Portfolio Drift in America
Passive investing in 2026 still requires active rebalancing to manage risk. US investors should align their rebalancing with IRS wash-sale rules to maintain tax efficiency.
Threshold Rebalancing
Use a 5% threshold rebalancing strategy rather than a calendar-based one to minimize transaction costs and tracking error.
Strategic Data Expansion 2026.4
Advanced Indexing: Rebalancing Logic
Optimization requires a disciplined approach to managing 'Drift' ($\Delta$). The formula for drift in an $n$-asset portfolio is: $$\Delta = \sum_{i=1}^n |w_{i,actual} - w_{i,target}|$$. Research from the SEC suggests that higher frequency rebalancing can lead to 'dividend drag'. LSI keywords include 'asset allocation' and 'transaction cost analysis'.