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Portfolio Rebalancing Calculator

Determine exactly which trades to make so your portfolio matches your target asset allocation.

Quick answer: Find the trades needed to bring a portfolio back to target allocation. Enter Portfolio Value, Current Stock %, Target Stock %, and Current Cash % to personalize the estimate. It returns Cash Trade Needed, Stock Trade Needed, and Bond Trade Needed so you can compare the impact before choosing a next step. Use it to compare long-term value, tax impact, risk, time horizon, and contribution choices.

SWReviewed by SwitchWize Research Desk · Last reviewed June 23, 2026
Cash Trade Needed
$0
Cash Trade Needed
$0
Stock Trade Needed
-$25,000
Bond Trade Needed
$25,000
Stock Drift Points
10.00%
What to do next

Plan your next move

Your action plan
  1. 1

    Review the risk level and primary pressure point

    Find the trades needed to bring a portfolio back to target allocation.

  2. 2

    Pressure-test one alternate scenario before deciding

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

Plan your next move

This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

Calculator action path

Turn this result into a decision

Every SwitchWize calculator connects to a product comparison, rate context, guidance, alerts, and Money Map.

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Frequently Asked Questions

Everything you need to know.

What does an example Portfolio Rebalancing Calculator calculation look like?
Using this calculator's own default assumptions, a portfolio value of $250,000, current stock % of 75% and target stock % of 65% produces an estimated cash trade needed of $0 and stock trade needed of -$25,000. Enter your own numbers above to see how it changes for your situation.
Why does my portfolio drift from its target allocation?
Different asset classes grow or shrink at different rates. Stocks may outperform bonds during a bull market, causing your stock percentage to rise above target. Conversely, bonds may gain ground during a downturn. Without rebalancing, your portfolio becomes heavier in whatever performed best, concentrating your risk in one direction.
How often should I rebalance?
Rebalancing frequency depends on how much drift bothers you and your trading costs. More frequent rebalancing keeps allocations tighter but incurs more transaction costs and potential tax consequences. Less frequent rebalancing reduces costs but allows larger deviations from your target. You can rebalance on a schedule or when drift exceeds a threshold you set.
Is the Portfolio Rebalancing Calculator free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Portfolio Rebalancing Calculator affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to plan your next move, or run Money Map to compare this investing & retirement decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (brokerage) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

As market prices change, your portfolio drifts from your intended mix: stocks may grow larger while bonds shrink, leaving you with more risk than you planned. Rebalancing restores your target allocation by selling what has grown and buying what has lagged. This systematic approach keeps your risk exposure aligned with your strategy without letting emotions drive decisions.

How to Use It

  1. 1Enter your total portfolio value in dollars.
  2. 2Input the percentage of your portfolio currently in stocks.
  3. 3Enter your target stock allocation percentage.
  4. 4Input the percentage of your portfolio currently in cash.
  5. 5Enter your target cash allocation percentage.
  6. 6Review the recommended trades: how much to buy or sell in stocks, cash, and bonds, plus how many percentage points your stock allocation has drifted.
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