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Derivatives Mis-Selling — Suitability Duty of the Broker
Retail Investor v Securities Brokerage
Composite summary — not a single reported case. This entry distils a settled line of Thai Supreme Court (Dika / ฎีกา) authority for legal education. It is not a transcript of one reported judgment, and the heading is not a citable case number. Do not cite it as specific case law — consult a Thai-qualified lawyer for the authoritative Dika number and current application.
Facts
Brokerage recommended complex structured product to retail investor without adequate suitability analysis; investor suffered substantial loss.
Legal Issue
Whether the brokerage breached its suitability duty under SEC Notifications and the standard of care owed to retail investors.
Holding
Supreme Court line of authority establishes a suitability duty enforceable both via SEC sanctions and private action, with shifted burden of proof on the broker to demonstrate KYC and suitability compliance.
Reasoning
SEC Notifications on suitability and KYC, the Consumer Protection Procedure Act framework, and tort principles under CCC §420 combine to impose this duty.
Significance
Foundation for retail-investor protection; brokers must document suitability analysis.
Practical Takeaway
Brokers should maintain comprehensive KYC + suitability records; investors should request written rationale for recommendations.
Cited Statutes
- SEC Notifications on suitability and KYC
- Civil and Commercial Code §420
- Consumer Protection Procedure Act B.E. 2551
This entry summarises a representative line of authority from the Thai Supreme Court (ฎีกา). It is intended for general legal education only and is not a substitute for advice from a Thai-qualified lawyer. Individual Dika case numbers are being verified against primary sources; until then these entries are presented as composite doctrinal summaries.
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