Good Investors Stay Seated (Especially When It's Scary) | Rubin Miller - E133
- Mar 10, 2026
- 51:41
- Full Episode
Jesse is joined by Rubin Miller—former Dimensional Fund Advisors insider, founder and CIO of Paltoma Capital Partners, author of the Fortunes and Frictions blog, and national chess master—for a wide-ranging conversation about how investment philosophy, behavioral discipline, and real-world client psychology intersect. Rubin pulls back the curtain on how factor tilts like small-cap, value, and profitability work. The discussion moves beyond theory into practice, tackling commoditization in passive investing, the tradeoffs between index funds and structured tilts, and the uncomfortable truth that great investment decisions can look wrong for years. Rubin also challenges spreadsheet-only thinking, defending dollar-cost averaging for large windfalls as a behavioral risk-management tool rather than a return-maximization tactic. Throughout, he emphasizes that the most important portfolio design principle isn't squeezing out incremental expected return—it's building a strategy clients can stick with when markets inevitably deliver noise, volatility, and surprise. The result is a candid, technically grounded, and deeply human look at what long-term investing actually demands.
Key Takeaways: • Factor tilts—such as small-cap, value, and profitability—are grounded in decades of academic research but require patience to endure long droughts. • Expected returns dominate over long horizons; unexpected returns dominate in the short run. • Spreadsheet-optimal strategies are not always behaviorally optimal strategies. • The best portfolio is one an investor can stay invested in during extreme volatility. • Financial advisors add value not just through portfolio construction but through expectation management. • Long-term investing success depends less on brilliance and more on discipline, humility, and staying on the bus.
Key Timestamps:(01:30) – Meet Ruben Miller (05:47) – Passive vs Indexing (13:22) – Factor Tilts Explained (20:21) – Rules and Rebalancing (24:21) – Is 100 Percent S&P Enough (26:16) – Small Caps vs Large Caps (32:00) – Dollar Cost Averaging Debate (36:13) – Behavioral Finance and Regret (39:07) – Chess vs Investing Feedback Loops (44:42) – Fortunes and Frictions, and Peltoma Capital
Key Topics Discussed: The Best Interest, Jesse Cramer, Wealth Management Rochester NY, Financial Planning for Families, Fiduciary Financial Advisor, Comprehensive Financial Planning, Retirement Planning Advice, Tax-Efficient Investing, Risk Management for Investors, Generational Wealth Transfer Planning, Financial Strategies for High Earners, Personal Finance for Entrepreneurs, Behavioral Finance Insights, Asset Allocation Strategies, Advanced Estate Planning Techniques
Mentions: Website: https://www.peltomacapital.com/ LinkedIn: https://www.linkedin.com/in/rubinmiller/ Mentions: https://www.fortunesandfrictions.com/
More of The Best Interest: Check out the Best Interest Blog at https://bestinterest.blog/ Contact me at [email protected] (mailto:[email protected]) Consider working with me at https://bestinterest.blog/work/
The Best Interest Podcast is a personal podcast meant for education and entertainment. It should not be taken as financial advice, and is not prescriptive of your financial situation.
Brief Summary
Ruben Miller discusses investment strategies and Dimensional Fund Advisors' unique approach to passive investing.
Key points
- Introducing Ruben Miller. Ruben Miller, an investor and chess master, shares insights on investment management.
- Understanding Dimensional Fund Advisors. Ruben explains the unique approach of Dimensional Fund Advisors in the investment landscape.
- Understanding Relative Profitability. Explore the concept of relative profitability and its impact on investment decisions.
- The Importance of Diversification. Learn why a diversified portfolio is crucial for capturing market premiums.
- Navigating Market Noise. Discuss the challenges of investing in small value stocks amidst market fluctuations.
- The Case for Dollar Cost Averaging. Discover why dollar cost averaging is a recommended strategy for lump sums.
Episode highlights
- Introducing Ruben MillerRuben Miller, an investor and chess master, shares insights on investment management.“Ruben has a lot of interesting thoughts to share.”0:48Mar 10, 2026
- Understanding Dimensional Fund AdvisorsRuben explains the unique approach of Dimensional Fund Advisors in the investment landscape.“Dimensional only sells passive funds.”5:48Mar 10, 2026
- Understanding Relative ProfitabilityExplore the concept of relative profitability and its impact on investment decisions.“Profitability puts value on its head.”16:58Mar 10, 2026
- The Importance of DiversificationLearn why a diversified portfolio is crucial for capturing market premiums.“I want to own the whole market.”17:20Mar 10, 2026
- Navigating Market NoiseDiscuss the challenges of investing in small value stocks amidst market fluctuations.“Investments are so noisy over horizons that we're very uncomfortable with.”18:52Mar 10, 2026
- The Case for Dollar Cost AveragingDiscover why dollar cost averaging is a recommended strategy for lump sums.“I’ve never not suggested dollar cost averaging for a meaningful amount of money.”32:11Mar 10, 2026
- Dollar Cost Averaging vs. Lump SumExploring the benefits of dollar cost averaging over lump sum investments, especially in volatile markets.“I suggest you dollar cost average this.”32:18Mar 10, 2026
- Setting Realistic ExpectationsThe importance of setting realistic expectations for investment returns over time.“Do not expect this every year, right?”35:00Mar 10, 2026





