This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.
In this episode you will learn:
- The distinction between Regulation Best Interest for broker-dealers and fiduciary duties for investment advisers.
- The four core component obligations of Regulation Best Interest: Disclosure, Care, Conflict of Interest, and Compliance.
- How cost evaluation under the Care Obligation elevates Regulation Best Interest above traditional suitability.
- Why Regulation Best Interest applies to broker-dealer account type recommendations for retail customers.
- How to apply the Scope, Standard, Status decision rule to evaluate scenario-based exam questions correctly.
This independent study resource is designed for candidates preparing for the Series 66 examination. Access additional practice materials and video guides at https://open-exam-prep.com/practice/series66 and https://www.youtube.com/@Open-exam-prep .
Sources checked: September 14, 2026
https://www.sec.gov/regulation-best-interest
https://www.finra.org/rules-guidance/key-topics/regulation-best-interest
https://www.sec.gov/about/divisions-offices/division-trading-markets/broker-dealers/staff-bulletin-standards-conduct-broker-dealers-investment-advisers-care-obligations