Portfolio Rebalancing Calculator
Calculate buy/sell adjustments to bring your portfolio back to target allocation.
Calculator
Results
Data Source and Methodology
All calculations are strictly based on financial theories and methodologies to ensure accurate results. Please consult with a financial advisor for personalized advice.
The Formula Explained
Glossary of Terms
- Current Portfolio Values: The current monetary value of the assets in your portfolio.
- Target Allocation: The desired percentage distribution of your portfolio across different assets.
Example: A Step-by-Step Guide
Consider a portfolio with $50,000 in Asset 1, $30,000 in Asset 2, and $20,000 in Asset 3. If your target allocation is 50%, 30%, and 20%, respectively, this tool will help you calculate the amount to buy or sell for each asset to achieve the target allocation.
Frequently Asked Questions (FAQ)
What is portfolio rebalancing?
Portfolio rebalancing involves realigning the weightings of a portfolio of assets to maintain a desired risk level.
How often should I rebalance my portfolio?
This depends on your investment strategy, but common intervals are quarterly or annually.
What is a target allocation?
A target allocation is the intended distribution of assets in your portfolio, usually based on your risk tolerance and investment goals.
Does rebalancing incur costs?
Yes, rebalancing can incur transaction fees, taxes, and other costs.
Can rebalancing improve returns?
While not guaranteed, rebalancing can help manage risk and potentially improve long-term returns.
Formula (LaTeX) + variables + units
','
\text{Rebalance Amount} = \text{Target Allocation} \times \text{Total Portfolio Value} - \text{Current Value}
\[ \text{Rebalance Amount} = \text{Target Allocation} \times \text{Total Portfolio Value} - \text{Current Value} \]
- T = property tax (annual or monthly depending on input) (currency)
- NIST — Weights and measures — nist.gov · Accessed 2026-01-19
https://www.nist.gov/pml/weights-and-measures - FTC — Consumer advice — consumer.ftc.gov · Accessed 2026-01-19
https://consumer.ftc.gov/
Last code update: 2026-01-19
- Initial audit spec draft generated from HTML extraction (review required).
- Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
- Confirm sources are authoritative and relevant to the calculator methodology.