Baseline Portfolio

The baseline benchmark portfolio is an 80% invested S&P 500 index fund and 20% in high-quality bonds—80/20 portfolio. This is the most effective “default” portfolio for many investors because it combines the long-term growth potential of equities with a stabilizing allocation to fixed income. The 80% stock allocation provides broad exposure to large U.S. companies and allows investors to participate in economic growth, while the 20% bond allocation can help reduce portfolio volatility and provide a source of funds that is less dependent on stock-market conditions. For many investors, the greatest advantage is its simplicity: rather than trying to identify individual stocks, sectors, or market-timing opportunities, an investor can maintain a diversified portfolio with a straightforward allocation and periodically rebalance it back to 80/20. It is not necessarily the best portfolio for every individual—age, income, time horizon, financial goals, and tolerance for losses matter—but as a simple long-term framework this portfolio can provide a reasonable balance between growth, diversification, risk management, and ease of management.

The S&P 500 is a stock market index that tracks approximately 500 of the largest publicly traded companies in the United States and is widely used as a benchmark for the overall U.S. stock market. Because it includes companies across many industries—such as technology, healthcare, financials, consumer goods, and energy—it provides investors with broad diversification and exposure to the growth of the American economy. An S&P 500 index fund allows investors to own a small portion of all these companies through a single investment.