Meet with PWL Capital: https://pages.pwlcapital.com/en-ca/contact-us?utm_source=content&utm_medium=youtube&utm_campaign=rationalreminder_yt Avoid Online Scams: https://pwlcapital.com/stay-safe-online/ What if “just buying the market” isn’t the end of the story? In this episode, we are joined by Gerard O’Reilly, Co-CEO and Co-CIO of Dimensional Fund Advisors, for a deep dive into what really drives net investment returns. Gerard returns to the Rational Reminder podcast to explain the key principles that differentiate Dimensional’s approach from traditional indexing—and why implementation, flexibility, and detail matter so much more than investors might think. We explore the concept of hidden costs in index investing, how index reconstitution and trading frictions erode returns, and the nuanced decisions that shape a market portfolio: defining the market, excluding low-returning stocks, optimizing tax efficiency, and more. Gerard breaks down how Dimensional’s rules-based, evidence-backed process improves outcomes through smart exclusions (like IPOs and high asset-growth firms), precise trading, securities lending, and better handling of corporate actions. From the dangers of chasing low fees to the surprising benefits of thoughtful execution, this conversation is a masterclass in next-level investing. Links From Today’s Episode: Rational Reminder on iTunes — https://itunes.apple.com/ca/podcast/the-rational-reminder-podcast/id1426530582. Rational Reminder Website — https://rationalreminder.ca/ Rational Reminder on Instagram — https://www.instagram.com/rationalreminder/ Rational Reminder on X — https://x.com/RationalRemind Rational Reminder on TikTok — www.tiktok.com/@rationalreminder Rational Reminder on YouTube — https://www.youtube.com/channel/ Rational Reminder Email — info@rationalreminder.ca Benjamin Felix — https://pwlcapital.com/our-team/ Benjamin on X — https://x.com/benjaminwfelix Benjamin on LinkedIn — https://www.linkedin.com/in/benjaminwfelix/ Cameron Passmore — https://pwlcapital.com/our-team/ Cameron on X — https://x.com/CameronPassmore Cameron on LinkedIn — https://www.linkedin.com/in/cameronpassmore/ Gerard O’Reilly — https://www.dimensional.com/us-en/bios/gerard-k-oreilly Dimensional Fund Advisors: https://www.dimensional.com/ Episode 322: Marco Sammon — https://rationalreminder.ca/podcast/322Marco Sammon Episode 198: Gerard O’Reilly — https://rationalreminder.ca/podcast/198