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Calcimator

Portfolio Rebalancing Calculator

Calculate exact trades needed to restore target asset allocation from current drift.

Inputs

%
%
%
%

Results

Stock trade ($)

-$15,000

Bond trade ($)$15,000
Cash trade ($)$0
Max drift (%)15%
Needs rebalancing (0/1)1
Total trade volume ($)$15,000
How to Use This Calculator
  1. Enter your total portfolio value and your current stock and bond percentages.
  2. Input your target stock and bond allocation percentages based on your investment policy.
  3. Review Stock Trade and Bond Trade amounts — positive values mean buy, negative means sell.
  4. Check Needs Rebalancing to see if your current drift exceeds the 5% threshold that typically warrants action.
  5. Use Total Trade Volume to estimate transaction costs before executing rebalancing trades.
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