Episode Summary
Executive Summary: Jack Schwager argues the efficient market hypothesis is broadly wrong, citing obvious mispricings and bubbles, but says most people should still invest passively because exploiting inefficiencies requires rare skill, discipline, and adaptability. He and Patrick Boyle explore trader psychology, failure as feedback, the importance of risk management, and how great traders evolve as markets change.
Main Topics: Efficient Market Hypothesis is flawed (Priority: 5/5): Schwager rejects the EMH as a description of reality, arguing markets frequently misprice assets in ways that cannot be explained by new information alone. Behavioral anomalies and market bubbles (Priority: 5/5): He uses examples like the dot-com bubble, the CUBA closed-end fund, and Palm/3Com to show prices can detach dramatically from fundamentals due to emotion and crowd behavior. Who can exploit inefficiencies (Priority: 5/5): Schwager says only a small subset of traders have the passion, time, skill, and risk management needed to profit; most people should behave as if markets are efficient and buy index funds. Psychology, discipline, and self-improvement (Priority: 4/5): The discussion emphasizes emotional control, journaling, meditation, and self-awareness as central to trading success and personal development. Failure as feedback (Priority: 4/5): Schwager argues early failure is common among great traders and is valuable only if used as structured feedback to improve methods and risk controls. Adaptation to changing markets (Priority: 4/5): Both discretionary and systematic traders must constantly adapt as market structure, speed, and participant behavior evolve, or their edges decay. The role of not trading (Priority: 4/5): A recurring theme is that restraint matters: many successful traders make money by avoiding low-quality setups and limiting overtrading.
Key Arguments: The EMH is wrong because markets can move to absurd prices without corresponding fundamental information; bubbles and panics are evidence of emotion, not efficiency. A market can be inefficient and still very hard to profit from because mispricings may persist longer than a trader can remain solvent. Most people are better off with passive indexing even if active traders can outperform, because only a minority have the temperament and skill to do so consistently. Great traders typically combine edge with rigorous risk management, emotional control, and methods that fit their personalities. Early catastrophic losses do not necessarily predict failure; many elite traders experienced wipeouts before developing durable approaches. Success requires continual adaptation as older methods get arbitraged away or market microstructure changes. Avoiding trades can be as important as making them; overtrading and “sugar trades” destroy performance.
Data Points: NASDAQ internet sector gain: 600% - Schwager cites the late-1990s bubble as a major example of market irrationality over about 18 months. Subsequent NASDAQ internet sector decline: 85% - He notes the sector later gave back most of the gain, returning roughly to prior levels. Closed-end fund discount-to-premium swing (CUBA): From 15% discount to 70% premium - After Obama announced normalization with Cuba, the fund’s valuation swung sharply despite no Cuban stocks being investable. Palm/3Com implied value distortion: Rest of 3Com trading at a negative market capitalization - The market value of 3Com’s non-Palm business was implied to be negative after the Palm spin-off craze. Suggested learning curve for traders: 3 to 5 years or more - Schwager says many successful traders need years to develop a viable edge and emotional control. Long-run return benchmark: About 20% per year for 20+ years - He describes this as a strong realistic expectation for exceptional long-term trading performance. Druckenmiller-style classic track record: Close to 30% per year over roughly 30 years - Used as an example of a phenomenal long-term record with substantial capital. Bruce Kovner example: Close to 90% average return for 10 years - Cited as an extraordinary record, likely not scalable at very large asset sizes. Jeff Newman growth example: Started with $2,500; later $50 million; one year of $100 million profit - Presented as an extreme outlier demonstrating what is possible for a rare trader. Jason Shapiro account growth and wipeouts: ~$100,000 to nearly $1 million, twice wiped out - Used to illustrate early failure followed by disciplined recovery and stop-loss adherence. Abram Sal trading discipline: 18 hours a day early in career - Illustrates the intensity of work some top traders devote to skill development. Interviews timeline: Mostly 2019; two in 2020 - Schwager explains the book is recent, with most interviews conducted in 2019 and two done later.
Pivotal Quotes: "there's no doubt in my mind that the efficient market hypothesis is wrong." — Jack Schwager: His direct view at the start of the discussion on market efficiency. "there are a million ways to make money in the markets, but they're all difficult to find." — Jack Schwager: He summarizes why profitable trading requires unusual skill and persistence. "failure is the most important thing because from failure, you can learn how to improve what you're doing." — Jack Schwager: His explanation of why great traders treat losses as information rather than defeat.
Implications: Active trading can work, but only for a small, disciplined minority. For most listeners, low-cost indexing remains the rational choice. Markets evolve quickly, so durable edge depends on adaptation, risk control, and psychological mastery.
About Patrick Boyle on Finance
This podcast is all about quantitative finance and financial history. Subscribe to hear about financial markets, derivatives, and how investors use quantitative tools from statistics and corporate finance theory. Included are interviews with some of the most interesting thinkers in finance. Occasional longer form financial documentaries, open up fascinating elements of financial markets history. Patrick Boyle is a quantitative hedge fund manager, a university professor, and a former investment banker. To contact Patrick visit http://onfinance.org Find Patrick on YouTube at: https://www.youtube.com/c/PatrickBoyleOnFinance