Series 63 vs Series 66: Which State Law Exam Do You Need?
Last updated May 2026. This article answers the specific questions candidates search for when preparing for Series 63 and Series 66 exams.
Series 63 vs Series 66 at a Glance
If you are preparing for the Series 63 or Series 66, you probably have specific questions about what the exam covers, how hard it is, and the best way to study. This article addresses those questions directly.
This section covers series 63 vs series 66 at a glance. For the full exam breakdown, see our complete exam guide library.
Content Differences
This section covers content differences. For the full exam breakdown, see our complete exam guide library.
Which Fits Your Career Path
This section covers which fits your career path. For the full exam breakdown, see our complete exam guide library.
FAQ
FAQ
Yes. The Series 66 includes all Series 63 content. If you pass the Series 66, you do not need the Series 63.
The Series 66 covers more material (both agent and adviser law) but is a single exam. Most candidates find it harder than the Series 63 alone but more efficient than taking both the 63 and 65.
Written by
Fraser Exam Editorial Team
FINRA and securities licensing exam specialists
The FraserExam editorial team reviews public regulator pages, official content outlines, and candidate performance patterns to keep study guides practical and current.
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Exam Comparison
Series 65 vs Series 66: Which Exam Should You Take?
Compare the Series 65 and Series 66 exams: content, format, career paths, and which one makes sense for your situation. Clear guidance for candidates deciding between the two.
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