Portfolio Allocation Calculator

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

By Konstantin Iakovlev · Updated April 2026 · Source: SEC

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

How much of your money belongs in stocks versus bonds and cash comes down to two things: how old you are and how much risk you can stomach. Settling on a target mix matters because 2026 forecasts point to continued volatility, with possible interest rate shifts reshaping bond yields and equity valuations. Knowing where you want your allocation to sit gives you a steadier footing as those conditions unfold.

Initial stock weighting starts from a modified '110 Minus Age' rule, then bends to fit your risk profile. A Moderate setting applies 110 minus age as written, an Aggressive profile adds 10% to the stock share, and a Conservative one subtracts 10%. Whatever remains gets divided between bonds and cash, usually leaning toward bonds for stability and income while reserving a slimmer cash slice for liquidity and opportunistic buying.

These figures are targets, not commandments, and shifting markets or a change in personal circumstances may call for adjustment. Letting an allocation drift untouched is one of the more costly habits an investor can fall into; periodic rebalancing after major market moves or life events keeps the mix on track. Your goals and time horizon also bear directly on whether any given allocation actually suits you.

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.