Portfolio Allocation Calculator

Get target stock/bond/cash allocation based on age and risk tolerance.
Risk Tolerance

Stocks

75%

Bonds

20%

Cash

5%

Target by Age

Age 3575% stocks / 5% bonds
Age 4565% stocks / 15% bonds
Age 5555% stocks / 25% bonds
Age 6545% stocks / 35% bonds

Use the Portfolio Allocation Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our Portfolio Allocation Calculator helps you determine an optimal asset mix of stocks, bonds, and cash based on your age and risk tolerance. This personalized guidance is crucial for maximizing returns while managing risk, especially as economic forecasts for 2026 suggest continued volatility with potential interest rate shifts impacting bond yields and equity valuations. Understanding your target allocation now can help you navigate these anticipated market conditions effectively.

The calculator employs a modified version of the '110 Minus Age' rule for initial stock allocation, adjusting for risk tolerance. For instance, a 'Moderate' risk tolerance applies the 110 minus age rule directly, while 'Aggressive' adds 10% to the stock allocation and 'Conservative' subtracts 10%. The remaining percentage is then split between bonds and cash, typically favoring a higher bond allocation for stability and income, with a smaller cash component for liquidity and opportunistic buying.

It's important to remember that these are target allocations, not rigid rules; market conditions and personal circumstances can necessitate adjustments. A common mistake is to set and forget your allocation, rather than rebalancing periodically, especially after significant market movements or life events. Also, be mindful that investment goals and time horizons can heavily influence the suitability of any allocation.

Example: Sarah's 2026 Portfolio Plan

  1. 1 Sarah, aged 35, wants to plan her investment portfolio for 2026. She identifies her risk tolerance as 'Moderate'.
  2. 2 Using the formula, her initial stock allocation would be (110 - 35) = 75%. With a Moderate risk tolerance, this remains 75% stocks. The remaining 25% is then allocated to bonds and cash. For a moderate profile, we'll assign 20% to bonds and 5% to cash.
  3. 3 Sarah's target allocation for 2026 is: 75% Stocks, 20% Bonds, 5% Cash.
  4. 4 This allocation suggests a growth-oriented portfolio with a significant equity exposure, balanced by a substantial bond component for stability and a small cash reserve for liquidity. Sarah should review this allocation periodically and rebalance her portfolio to maintain these target percentages as market values fluctuate.

Source: SEC · Last updated: April 2026

Frequently Asked Questions

What is the best portfolio allocation for my age?
A classic rule of thumb is to hold your age in bonds (e.g., 30 years old = 30% bonds, 70% stocks). A more modern guideline is 110 or 120 minus your age in stocks. At age 30, that means 80-90% stocks and 10-20% bonds. Adjust based on your risk tolerance and retirement timeline.
Should I include international stocks in my portfolio?
Most advisors recommend 20-40% of your stock allocation in international funds for diversification. International markets do not always move in sync with US markets, providing some protection against US-specific downturns. Broad international index funds provide exposure to developed and emerging markets.
How much of my portfolio should be in cash?
Keep 3-6 months of expenses in cash or cash equivalents as an emergency fund, separate from your investment portfolio. Within the portfolio itself, 0-5% in cash is typical. Holding excessive cash in a long-term portfolio creates a drag on returns due to inflation.

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