Free Portfolio Rebalancing Calculator
Maintain Your Desired Asset Allocation Easily
The Portfolio Rebalancing Calculator helps investors keep their portfolios aligned with their target asset allocation. Over time, market movements can cause asset weights to drift, increasing risk or reducing returns. By using this tool, you can calculate how much to buy or sell in each investment to restore the desired allocation. This ensures your portfolio remains balanced according to your investment goals and risk tolerance. Ideal for both new and experienced investors, it simplifies the rebalancing process and helps maintain a disciplined investment strategy. Regularly rebalancing your portfolio can protect against overexposure to certain assets, improve long-term performance, and support smarter investment decisions. Stay on track with your financial objectives using this easy to use calculator.
Portfolio Rebalancing Calculator
Maintain your desired asset allocation by rebalancing your portfolio.
Rebalancing Plan
Rebalancing Actions
Portfolio Rebalancing Calculator Guide
The formulas we use
Target Value (Asset i) = (Target Allocationi ÷ 100) × Total Portfolio ValueDeviation = Current Value − Target ValueRebalance Trade = −Deviation(Buy if negative, Sell if positive)- Rebalanced Portfolio matches target allocations exactly after trades.
Example calculation
- Target US Stocks = 50% × 100,000 = $50,000 → Deviation = +$10,000 → Sell $10,000
- Target Bonds = 50% × 100,000 = $50,000 → Deviation = −$10,000 → Buy $10,000
How to use this calculator
- Enter Asset Name (e.g., US Stocks) in the Asset Name input.
- Fill Current Value (e.g., 60000) for that asset.
- Enter Target Allocation (%) (e.g., 50) to define desired weight.
- Click Add Asset to add another row (e.g., Bonds with Current Value 40000 and Target 50%).
- Select Currency from dropdown (e.g., USD $).
- Press Rebalance button to compute buy/sell amounts to match targets.
Tips for rebalancing
- Time based rebalancing: Review quarterly or annually.
- Threshold based: Rebalance only if deviation >5% to reduce costs.
- Consider taxes: Account for capital gains implications when selling.
- Use new contributions: Direct fresh cash to underweight assets first.
This guide is for educational purposes only and not financial advice.
Benefits of Using Our
Portfolio Rebalancing Calculator
Maintain Desired Allocation
Keep your portfolio aligned with your investment goals by rebalancing asset percentages regularly.
Reduce Risk
Prevent overexposure to a single asset class and reduce the impact of market volatility.
Optimize Returns
By keeping your portfolio balanced, you ensure your investments work efficiently towards your goals.
Easy for Beginners
Provides clear recommendations and visualizations for investors at all experience levels.
Mobile Friendly
Use the calculator on any device to monitor and adjust your portfolio on the go.
Secure & Private
All calculations are done locally in your browser, keeping your financial data safe.
Frequently Asked Questions
What is a Portfolio Rebalancing Calculator?
This tool helps adjust your investment portfolio to maintain the desired asset allocation over time.
Why is rebalancing important?
It helps maintain risk levels, ensures your portfolio aligns with goals, and prevents overexposure to any asset.
How often should I rebalance my portfolio?
Typically, rebalancing is done annually or when your asset allocation deviates significantly from your target.
Is this tool suitable for beginners?
Yes. The calculator gives simple recommendations and visual guidance for rebalancing your portfolio.
Can it handle multiple asset types?
Yes. Stocks, bonds, ETFs, and other assets can all be included for a complete rebalancing analysis.
Is my portfolio data safe?
Yes. All inputs are processed locally, ensuring that no sensitive financial data is shared or stored online.