Explainer / Wealth Management / Global
Rebalancing and Portfolio Risk Budgets
Published 2026-10-19 · BLOOMBERG WEALTH Research Desk
Manage allocation drift through a repeatable process.
Executive brief
Market moves change a portfolio’s risk mix. Rebalancing can restore agreed exposures but creates transaction costs and possible tax consequences.
Questions for due diligence
Compare calendar and threshold rules using realistic liquidity assumptions. Include concentrated holdings and private assets in the total risk budget.
Scenario framework
- Base case: review the stated assumptions for wealth management and record which evidence would change the assessment.
- Stress case: consider weaker returns, reduced liquidity and higher costs together. An illustrative scenario is not a forecast.
Primary sources
Educational research brief. Scenarios are not forecasts or personalized advice. Follow the primary references for current data and methodology.