Asset Allocation Strategies: How to Diversify Your Investment Portfolio

Why Asset Allocation Matters More Than Stock Picking

Studies consistently show that more than 90% of a portfolio's long-term return variability is explained by asset allocation — not individual stock selection or market timing. In other words, deciding how much to put in stocks vs bonds matters far more than which specific stocks you buy.

Common Allocation Models

• Conservative (20% stocks / 80% bonds): For capital preservation, short time horizons, or near retirement.
• Moderate (60% stocks / 40% bonds): The classic balanced portfolio. Suitable for medium-term goals 5-10 years away.
• Aggressive (80% stocks / 20% bonds): For long-term growth, 10+ year horizons, comfortable with volatility.
• Three-fund portfolio: Total US stock + Total international stock + Total bond market. Simple, diversified, low-cost.
• Target-date fund: Set it and forget it. Automatically adjusts allocation based on your target retirement year.

Our investment calculator helps you project your portfolio's growth under different return scenarios based on your chosen allocation.