Two Radical Investments – U.S. 4-Fund Portfolio vs. S&P 500

Sound Investing · Sep 17, 2025 · 33m

In Part 2 of this 4-part series, Paul Merriman compares the accumulation results of the U.S. 4-Fund Portfolio against the S&P 500, using both all-equity and 60/40 strategies.

Paul analyzes five decades of data, showing how diversification affects returns, volatility, and long-term wealth creation.

Paul also highlights the tables you’ll want to download and follow along with as he explains the numbers:

Table B1: Fine-Tuning Table – S&P 500

Table B4: Fine-Tuning Table – U.S. 4-Fund Portfolio

Table H2a: Sound Investing Portfolios – 100% Equities

Table H2: Sound Investing Portfolios – 60/40…