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Study guide

How to Pass the Series 66

NASAA's Series 66 combined state law exam — practice against the official content outline, with every answer explained.

The Series 66 qualifies individuals as both state securities agents and investment adviser representatives. It is taken with the Series 7.

Exam format at a glance

Format110 multiple-choice questions (100 scored, 10 unscored pretest) in 150 minutes. The Series 7 is a corequisite.
CostNASAA and FINRA list the fee — check the current exam fee before you enroll.
ScoringYou need 73 of 100 scored questions correct. Practice scores here use a 73% pass line.
ValidityGenerally valid for two years if you aren't registered in the related capacity during that time.

Who this exam is for

  • Series 7 representatives who also want to act as IARs
  • Dual registrants at firms offering brokerage and advisory services
  • Candidates who would otherwise need both the Series 63 and 65

How to actually study for it

  • Laws and ethics are 45% of the exam — master the Uniform Securities Act definitions, exemptions and Administrator powers.
  • Know NASAA's unethical practices for both broker-dealer agents and investment advisers.
  • Recommendations are 30% — practice suitability, portfolio strategies, tax and retirement questions.
  • Review fiduciary duty, custody, performance fees and brochure delivery for advisers.

Where to go next

Start with the free 10-question diagnostic to see where you actually stand, or go straight to the one-page Series 66 cheat sheet. The full Series 66 practice exam covers every domain at the real exam's weighting, with every answer explained.