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Portfolio Allocation Tool

Pick how much risk you can stomach — or just enter your age — and get a suggested stock / bond / cash split, drawn on a clear bar chart, with the reasoning spelled out. Educational, never advice.

How the portfolio allocation tool works

Where you put your money across asset classes matters more than which individual stock you pick. This portfolio allocation tool illustrates two of the most common starting frameworks. Choose a risk profile for a ready-made stock/bond/cash split, or enter your age to apply the classic "110 minus age" rule, which gradually shifts you from growth toward stability as your time horizon shortens.

Age rule: Stocks ≈ 110 − age. A 35-year-old → ~75% stocks; a 65-year-old → ~45% stocks, with the remainder split between bonds and a cash buffer.

Why three buckets? Stocks are the growth engine — high long-run returns, but with deep, scary drawdowns. Bonds add ballast: they wobble less and often hold up when stocks fall, smoothing the ride. Cash is the safety reserve — it earns little but is always there for emergencies and lets you buy when others are forced to sell.

Why allocation drives your results

Decades of research point to the same conclusion: for a diversified portfolio, the mix of asset classes explains far more of your return swings than security selection or market timing. Get the allocation roughly right for your horizon and temperament, and you've done the heavy lifting. Two investors can hold the same funds and have wildly different experiences purely because one is 90% stocks and the other 40%.

Matching the mix to your temperament

The best allocation is the one you can actually stick with through a crash. An aggressive 90/10 portfolio is only superior if you don't panic-sell in a 40% drawdown — otherwise a calmer balanced mix you'll hold beats a bold one you'll abandon. Time horizon is the other lever: money you need in two years has no business in stocks, while money for retirement decades away can ride out the storms.

Reality check: these are simplified illustrations of common rules, not personalized advice. They ignore your goals, taxes, debts, income and other assets. Don't rebalance on a whim, and consult a licensed adviser before acting — see investor.gov.

Deepen the idea in how to diversify a portfolio and how to set investment goals, then test a mix risk-free in the stock market simulator.

FAQ

Frequently asked questions

What is asset allocation?

Asset allocation is how you divide a portfolio among broad asset classes such as stocks, bonds and cash. It explains the large majority of a diversified portfolio's return variation over time, more than individual stock picks.

How does the age-based rule work?

A classic guideline holds roughly 110 minus your age in stocks, with the rest in bonds and a cash buffer. A 30-year-old would hold about 80% stocks; a 65-year-old about 45%.

What is the difference between conservative and aggressive?

A conservative mix holds more bonds and cash for stability and smaller swings, while an aggressive mix holds mostly stocks for higher long-run growth and bigger drawdowns. A balanced profile sits in between.

Is this allocation tool financial advice?

No. It is an educational illustration of common allocation frameworks. Your real allocation should reflect your goals, time horizon, tax situation and risk tolerance, ideally with a licensed adviser.

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