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Sound Investing: Daily Summaries Delivered
by Paul Merriman
Weekly podcasts with Paul Merriman. Strategic planning for investing at every stage of life.
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- 1 weeks ago57 min
The Inside Story About Diversification
Harry Markowitz called diversification "the only free lunch in finance." In this session, part of Paul's series for Next Gen Personal Finance educators, Paul Merriman explains what that means in practice, and why a well-diversified portfolio can help investors stay the course through good markets and bad.Paul covers the history and math behind diversification, from Don Quixote's "don't put all your eggs in one basket" to Warren Buffett, Charlie Munger, and Sir John Templeton. He explains the three kinds of risk investors face (company, market, and asset class), and shows how the "lost decade" of 2000–2009 hit S&P 500 investors hard while more diversified portfolios kept growing.You'll also hear:How adding small "baby steps" of large cap value, small cap, and REITs added about 1% a year to returns since 1970Why the two-fund strategy (half S&P 500, half small cap value) may be less risky than it looksWhat a young investor putting away as little as $1,000 a year could build over a lifetimeA simple "ultimate buy and hold" for hands-off investors: a target date fund plus a slice of small cap valuePlus, Paul shares a free book from market historian Bill Bernstein.Watch on YouTube: youtu.be/MDqaIojI8TEFree book: If You Can: How Millennials Can Get Rich SlowlyTables and research: paulmerriman.com/data-tablesSend your questions to Paul at paul@paulmerriman.com (include "NGPF" in the subject line)
- 2 weeks ago52 min
The #1 Reason to Use Index Funds
Watch the video here.This is the second of five presentations Paul recorded for Next Generation Personal Finance (NGPF.org), whose free curriculum reaches some 150,000 teachers. The sessions weren't open to the public, but NGPF has allowed Paul to share each one with Sound Investing listeners.The subject is index funds, and Paul starts where the story starts: John Bogle, 1976, and a fund launch that nearly got cancelled before it opened.From there he looks at what the evidence actually says about active management over 20 years, why most investors never hear about the costs that quietly come out of their returns, and what happens to a fund that doesn't perform. He also introduces the non-traditional index funds from Dimensional and Avantis that he believes give young investors their best opportunity, and closes with stories from the 90 minutes he spent in Jack Bogle's office.CHAPTERS00:00 Introduction02:44 What is an index fund?04:38 John Bogle and the first index fund08:50 Active vs. passive: beat the market or be the market10:52 The SPIVA report14:53 Quartiles and the 20-year picture19:49 How long do mutual funds survive?22:05 Asset class and style drift25:14 The tax cost of active management28:51 Bogle on costs and the hidden drags on return35:18 Myths about index funds38:28 Beating the S&P 500 with index funds42:35 Traditional vs. non-traditional index funds49:06 Dimensional and Avantis50:23 The number one reason to use index funds55:46 Stories from meeting Jack Bogle59:25 Wrap-upNGPF: ngpf.org
- 3 weeks ago53 min
The Math an the History of Investing
WATCH THE VIDEOWant to build a multi-million-dollar retirement portfolio without gambling on single stocks? This is the first session of the four-part series I recorded for the teachers of Next Gen Personal Finance — and I’m sharing it here with you. In it, I break down the timeless principles, the math and the market history every long-term investor needs to know.WHAT YOU’LL LEARN IN THIS EPISODE• The Math of Compounding [01:43] — how finding an extra 0.5% to 1% in returns — or starting just five years earlier — can add millions to your lifetime wealth.• The Power of Starting Early [09:48] — why your initial investment years build your foundation, and how both bull and bear markets work in favor of young, disciplined savers.• Budgeting Strategy [19:43] — applying the “Pay Yourself First” rule and the 50/30/20 framework to establish sustainable saving habits.• Stocks vs. Bonds [22:44] — understanding why stocks are low-risk for long-term growth, while bonds carry inflation risk over decades.• Market Diversification [30:08] — why 4% of companies generate nearly all stock-market gains, and how owning total-market index funds ensures you don’t miss out on them.• Equity Asset Classes [37:59] — comparing large-cap blend, large-cap value, small-cap blend and small-cap value to reduce volatility and boost returns.• Target-Date Funds [49:38] — why automated, age-tailored allocation helps investors stay the course and avoid emotional mistakes.Tune in to discover how staying the course, keeping expenses low, and letting history guide your strategy can transform your financial future.Join us next week for The #1 Reason to Invest in Index Funds.
- 4 weeks ago40 min
Get Out While You Can or Stay the Course
Paul opens with news of a new opportunity to reach young investors: a five-part series for Next Generation Personal Finance (NGPF.org), available to some 150,000 teachers who use NGPF's free curriculum. Topics include the math and history of investing, the case for index funds, the inside story on diversification, the $5 million payoff for a financially literate high school graduate, and a teacher Q&A session. Each presentation will be shared with Sound Investing listeners the following week.Then Paul turns to two listener questions that go to the heart of how people actually experience the market.The first asks whether broad diversification really produces the best returns, or whether a more focused portfolio would do better. He walks through the Bessembinder research showing that roughly 4% of companies drove most of the market's long-term return, Fama and French data on small cap value going back almost 100 years, and Vanguard's own real time returns since 1998 comparing $10,000 invested in the S&P 500, mid cap, small cap blend and small cap value asset classes.The second is a letter from an investor who put his first real savings, earned at $7 an hour, into Fidelity Magellan in 1985, lost 30% on Black Monday in October 1987, and pulled everything out. Forty years later he still fears the next crash and asks whether Paul's Ultimate Buy and Hold portfolio could leave him waking up with half his money gone.Paul closes with a story about five 24-year-old engineers he met on Bainbridge Island, and an offer to anyone who can gather a group that would benefit from a conversation about investing.LINKSFine-Tuning Your Asset Allocation tablesNGPF: ngpf.org
- Sep 2, 20261h 13m
The Investing MythsThat Cost a Fortune
WATCH THE VIDEOIt was a pleasure to be invited back on System Trader with Jack Lempart. Here is a list of the main topics we covered:CHAPTERS0:53 • My own biggest mistake3:15 • Why “the stock market is a casino” is exactly backwards6:48 • “I don’t have enough money to start” — what $100 a month actually becomes9:33 • A $20 bet with my 13-year-old grandson13:04 • How much intelligence does successful investing really require?15:31 • The Mensa Investment Club: buy low, sell lower16:24 • Three books for the psychological hurdles17:38 • “It’s a bad time to invest right now” — the myth that never dies20:00 • Why a falling market is the best thing that can happen to a young investor24:21 • Can a star manager do it for you? SPIVA and Bill Miller30:21 • An ETF is only a wrapper — how do you grade what’s inside it?33:01 • Traditional vs. non-traditional index funds35:49 • Home bias: half U.S., half international, and the lost decade44:04 • Cap-weighted vs. asset-class weighted funds46:26 • Finding your right level of risk before the market tests you55:20 • Is the small-cap value premium dead?62:52 • Financial literacy in high school — and who’s teaching on TikTok64:21 • Where the biggest premium comes from: size, value, quality and momentum69:29 • The one thing to do tomorrow morning: control what you can, then automate
- Aug 26, 20261h 6m
Paul and Chris Follow-Up: The Rick Ferri Small-Cap Value Debate
Paul and Chris reflect on Paul’s recent discussion with Rick Ferri. Paul adds information he wished he’d included, and Chris reacts to Paul and Rick’s positions. Together, they discuss the behavioral, trust, and performance benefits and trade-offs of seeking meaningful diversification by adding Small-Cap Value to a portfolio.CHAPTERS00:00:00 – Intro00:02:50 – Chris’ 30k Foot View00:06:16 – Mid-caps?00:10:40 – Tot. Mkt. vs. S&P 50000:20:15 – Trust and Change00:25:45 – Table G1b00:28:50 – VT vs. AVGE00:42:20 – Dollar-Cost-Averaging00:52:00 – Paul’s Grandson’s Question00:53:08 – Gold funds00:59:40 – Travel plans01:02:20 – OutroWatch the video on YouTubeTable G1b — Fine Tuning Table: S&P 500 vs. US Small Cap Value
- Aug 19, 20261h 33m
Paul Merriman and Rick Ferri: A Conversation Decades in the Making
Watch the video here.Paul sits down with Rick Ferri — not for a debate, but for the kind of honest conversation two people can only have after spending their careers chasing the same goal from different directions.Rick makes the case against tilting: the small cap premium largely disappeared once the research went public around 1980, and he believes value stopped working around 2006. Paul counters with Table G1b, which shows the results of blending small cap value and the S&P 500 in 10% increments from 1970 through 2025 — returns alongside the worst drawdowns each combination had to survive. Then Rick does something unexpected — he crosses to Paul's side of the table and builds a strong argument for small cap value, framing it as a way to capture the return of private companies that represent half of the economy.Where they land is less about who's right than what it costs to be wrong. If you go down the factor road, Rick says, it's a lifetime commitment — not three years.Also covered: lump sum versus dollar cost averaging, what an hourly advisor can do to help do-it-yourself investors implement their new portfolio, the new Trump accounts for newborns, and why VT may not be your best choice in a taxable account.Both Paul and Rick will be at the Bogleheads Conference, November 13–15 at Green Valley Ranch Resort and Spa in Henderson, NV, near Las Vegas. Registration: boglecenter.net/2026conferenceTable G1b — Fine Tuning Table: S&P 500 vs. US Small Cap Value: View the tableStay tuned for next week's podcast, a discussion with Chris Pedersen about this interview with Rick.
- Aug 12, 202614 min
Preparing for an upcoming debate with Rick Ferri: Total Market portfolios
This Friday I'm sitting down with my friend Rick Ferri for a debate that I think matters a great deal, even though — or maybe because — Rick and I agree on almost everything. We both believe in diversification, low costs, index funds, ignoring predictions, and staying the course. Where we part ways is what happens after that.Rick's case is that you should simply own the whole market. A total stock market index fund gives you thousands of companies at an extraordinarily low cost, and adding complexity rarely pays. My case is that the academic research — Fama, French, and decades of market history — shows that greater exposure to small and value companies may raise long-term expected returns. Rick calls that factor tilting. I call it better diversification. He'll argue I'm not adding diversification at all, just changing the weights, and he's right that this is exactly what we're doing. The question is whether it's worth doing.We also take on a second question that gets far too little attention: if you do want small and value exposure, where should you get it? Vanguard, Fidelity, DFA or Avantis — traditional indexing or systematic portfolio management? Differences that look trivial today can compound into very large ones over 40 or 50 years.Neither of us is trying to win. Rick may be right. I may be right. Ask us again in 50 years. What I hope you take away is the process — examining evidence, understanding the alternatives, admitting what nobody knows, and committing to a strategy you can stick with. Because every strategy disappoints you eventually, and what you do in that moment matters more than which one you chose.The podcast and video of my conversation with Rick will be available Wednesday, August 19, 2026. If you have any questions for Rick, send them to Paul@paulmerriman.com.
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