How Often Should You Rebalance Your Portfolio?
By Allen Krewzz
Why Portfolios Drift From Their Target
The Calendar-Based Approach
The Threshold-Based Approach
Either approach is reasonable — consistency matters most: There's no single correct answer between calendar-based and threshold-based rebalancing. What matters far more is picking one method and actually sticking with it, rather than rebalancing reactively based on emotion or market headlines.