The Rational Reminder Podcast

In this episode, we are joined by Michael Kothakota for a deeply technical and thought-provoking conversation on interdependent integrative financial planning theory. Drawing from his background in academic research and real-world advisory practice, Michael introduces a mathematical framework designed to capture the full complexity of financial planning—where decisions across domains like taxes, investments, and estate...

In this episode, the Rational Reminder team unpacks the mechanics and implications of mega IPOs like SpaceX, OpenAI, and Anthropic potentially entering public indices. They explore how index funds handle IPO inclusion, why newly public stocks tend to underperform, and how structural features of indexing can lead to systematically buying high and selling low. The conversation dives into academic research on IPO returns,...

What if the decades-long debate between active and passive investing wasn't really a debate—but a data problem?

In this episode, Ben Felix and Cameron Passmore are joined by Tim Edwards, Managing Director and Global Head of Index Investment Strategy at S&P Dow Jones Indices, for a deep dive into the SPIVA Scorecard—the industry's most enduring and data-driven comparison of active versus passive investing.

What if the way we think about investing—and expected returns—was fundamentally incomplete?

In this episode, Ben Felix and Dan Bortolotti take a deep dive into one of the most influential papers in financial economics: Fama and French (1993). With nearly 15,000 citations, this research reshaped how we understand asset pricing by showing that market beta alone isn't enough to explain returns. Instead, multi...

What if your biggest investment risk isn't the stock market—but your own income?

In this episode, we are joined by Patrick Adams, a PhD candidate at MIT, for a fascinating deep dive into how income risk, spending commitments, and liquidity constraints reshape what "optimal" investing actually looks like. Drawing on large-scale administrative tax data, Patrick challenges the conventional wisdom that young i...

In this episode, we unpack the growing tension in private markets—private equity, private credit, and private real estate—and examine whether their long-standing appeal holds up under scrutiny. With increasing pressure to bring these investments to retail investors, the discussion explores how illiquidity, valuation opacity, and complex fee structures may be masking risks rather than reducing them. We break down how pr...

What if factor investing in Canada became as simple—and affordable—as buying a single ETF?

In this episode, we are joined by Eduardo Repetto, CIO of Avantis Investors, and Caitlin Ebanks, Director of ETF Strategy at CIBC, to unpack the long-awaited launch of Avantis ETFs in Canada. This conversation explores how a partnership built on client-first principles and fee discipline is bringing sophisticated, ev...

In this special 400th episode, the Rational Reminder hosts reflect on 50 years of index investing and the profound impact it has had on financial markets, investor behavior, and the cost of investing. The episode features a panel moderated by Ben Felix at the New York Stock Exchange—hosted by Vanguard and S&P Dow Jones Indices—bringing together leading voices in the indexing world to explore how passive investing evolv...

In this episode, we welcome back James Choi, Professor of Finance at the Yale School of Management, to unpack one of the most important—and misunderstood—questions in personal finance: How much of your portfolio should be in stocks? Drawing on his new paper, Practical Finance: An Approximate Solution to Lifecycle Portfolio Choice, James walks us through the classic portfolio choice problem first solved by Robert C. Mer...

In this episode, we sit down with Tom Hardin, also known as "Tipper X," the former hedge fund analyst who became one of the most prolific informants in the largest insider trading crackdown in U.S. history. Tom walks us through his journey from rule-following soccer referee in Georgia to Ivy League graduate and rising Wall Street analyst—before crossing the line into insider trading at age 29. What makes this conversat...

In this episode, we welcome back return guest Hank Bessembinder for a deeply analytical conversation spanning leveraged ETFs, volatility, and the future of performance measurement. Hank walks us through his latest research on leveraged single-stock ETFs, clarifying the misunderstood concept of "volatility decay" and decomposing returns into rebalancing effects and frictions. The results are striking: meaningful underpe...

In this episode of the Rational Reminder Podcast, we are joined by Theresa Ebden, Vice President of the Investor Office at the Ontario Securities Commission, for a deep dive into how regulators are thinking about modern investor risks—from AI-powered scams to finfluencers and the gamification of investing apps. Theresa explains how the OSC works to protect investors through policy, education, behavioral research, and d...

Ben Felix and Braden Warwick are joined by Dr. Charles Chaffin, a leading voice in financial psychology, to explore why investors so often act against their own best interests—and how better tools and frameworks can help bridge the gap between rational plans and real human behavior. The conversation blends behavioral finance, goal setting, and risk profiling, while also introducing a new evidence-based risk tolerance q...

Equal-weighted index funds sound like an elegant solution to some of today's biggest investor anxieties: high market concentration, elevated valuations, and outsized influence from a handful of mega-cap stocks. In this episode of the Rational Reminder Podcast, Ben Felix, Dan Bortolotti, and Ben Wilson take a deep, evidence-based look at whether equal weighting actually improves portfolios—or simply introduces new risks...

What if financial planning were approached the same way engineers design aircraft, medical treatments, or complex systems—with clearly defined objectives, constraints, and rigorous trade-off analysis? In this episode, Benjamin Felix is joined by Braden Warwick for a deep dive into what it means to engineer financial outcomes. Drawing on Braden's background as a PhD-trained mechanical engineer and his work building fina...

ETFs were once almost synonymous with low-cost, sensible investing. But that era is changing fast. In this episode, Ben Felix, Dan Bortolotti, and Ben Wilson introduce and unpack the concept of "ETF slop"—the explosion of complex, high-fee, behaviorally engineered ETFs that are designed to attract assets rather than improve investor outcomes. The trio traces how ETFs evolved from simple index-building tools into wrappe...

Financial planning is built on assumptions — about markets, inflation, longevity, human behaviour, and even the questions clients bring into the room. In this episode, Ben and Braden welcome a diverse panel that originally came together at the FP Canada Conference to explore how those assumptions influence planning outcomes in practice. Joining them are Adam Chapman, a retirement-focused planner who helps clients turn ...

In this first episode of 2026, we sit down for a deep dive into one of the hottest concerns coming from clients and listeners lately: Is the U.S. stock market dangerously concentrated—and are we in an AI bubble? Ben, Dan, and Ben unpack the data, the history, and the psychology behind today's valuations, drawing lessons from past episodes of market euphoria such as Nortel in Canada, the dot-com boom, and Japan's 1989 p...

In this special year-end episode, Ben and Cameron turn the spotlight inward for a behind-the-scenes look at the Rational Reminder podcast. They're joined by the extended team that keeps the show running—from compliance to editing to marketing—to reflect on a landmark year in the podcast's evolution. We hear from Multimedia Specialist Matt Gambino, Compliance Reviewer Ross Brayton, long-time Marketing Lead Angelica Mont...