What Is The Series 66 Exam? (Pass Rate & Topics)
The Series 66 is a 150-minute, multiple-choice exam on investment advice, securities, and state securities laws. It has 110 questions: 100 scored questions and 10 unscored pretest questions. You need 73 correct answers among the scored questions to pass. Regulators do not publish a reliable current national pass rate. Passing alone does not authorize you to practice.
Are you trying to work in investment advice or securities sales and wondering whether passing the Series 66 is enough? The key is to separate three things: the exam, the qualifications your role requires, and the registration that allows you to perform that role. Each matters, and confusing them can delay your start.
Series 66 overview: purpose, eligibility, and exam format
The Series 66, formally the Uniform Combined State Law Examination, tests knowledge of state securities laws, investment advice, and related topics. It is a professional qualification exam, not a college credential or a standalone license. Candidates do not need firm sponsorship to sit, but passing does not by itself authorize securities or advisory work.
The North American Securities Administrators Association (NASAA) develops the exam content. FINRA administers the exam through its testing and registration systems. State securities regulators decide registration requirements, so confirm the rules in the state where you plan to work.
The exam is designed to cover material relevant to state registration as both a securities agent and an investment adviser representative. In many cases, candidates use a passing Series 66 result with a valid Series 7 qualification to meet exam requirements for both roles. State rules and a firm’s requirements still apply.
| Exam detail | What to know |
|---|---|
| Questions | 110 multiple-choice questions |
| Scored questions | 100 |
| Unscored questions | 10 pretest questions |
| Testing time | 150 minutes |
| Passing score | 73 correct answers out of 100 scored questions |
| Sponsorship to sit | Not required |
| Common co-requisite | Valid Series 7 qualification to use the combined qualification |
You will not know which questions are unscored. Treat every question as if it counts, and pace yourself across the full exam. The unscored questions are included to test items for possible future use; they do not change your result.
Is there an official Series 66 pass rate?
NASAA and FINRA do not provide a reliably current public national pass-rate figure for the Series 66. A prep company may publish its own results, but those figures reflect that provider’s chosen group of students and methods, not necessarily all exam candidates.
Be cautious with claims such as “the national pass rate is X%” unless the source explains its data, the period covered, and the group counted. A pass-rate estimate can sound precise while hiding those limits. Your better guide is the official passing score, the content outline, and your performance on realistic practice questions.
Exam content, topic weights, and passing requirements
The Series 66 tests four broad areas, with the largest share devoted to laws and regulations. The percentages below show each area’s share of the scored exam. They help you plan study time, but they do not predict the exact mix of questions on your test.
| Content area | Exam weight | Approximate scored questions* |
|---|---|---|
| Laws, regulations, and guidelines, including ethical practices | 45% | 45 |
| Client recommendations and strategies | 30% | 30 |
| Investment vehicle characteristics | 17% | 17 |
| Economic factors and business information | 8% | 8 |
*Estimates based on 100 scored questions and published content weights. The actual exam may vary by question.
Laws, regulations, and ethical practices: 45%
This area covers the rules that shape securities and advisory work. Topics include state and federal securities regulation, registration, prohibited practices, ethical duties, and the obligations of investment adviser representatives and agents.
Learn how terms differ, not just what they mean. For example, registration and licensing are often used casually as if they were the same thing. In practice, passing an exam is one qualification step; a regulator’s approval is a separate step. For questions about rules, pay attention to who is acting, what service they provide, and which regulator has authority.
Client recommendations and strategies: 30%
This section asks you to apply investment knowledge to client situations. You may need to consider a client’s goals, time horizon, risk tolerance, financial position, and need for liquidity when judging whether a recommendation is suitable.
A useful study habit is to identify the facts that matter before choosing an answer. A recommendation that fits one client may not fit another. Look for clues in the question, such as a short time horizon or a need for ready access to funds, rather than choosing an investment because it sounds familiar.
Investment vehicles: 17%
Compare products by features, not by name alone. Ask what the investment owns, how it may change in value, whether it can be sold easily, and what fees or risks apply. The goal is to connect product details to the client situation described in a question.
Economic factors and business information: 8%
This section covers economic and financial information used to understand markets and investments. Topics include economic indicators, business information, and financial measures. Although it has the smallest exam weight, it still counts toward your score.
Know the basic meaning of common measures and how they may affect investment decisions. Avoid spending all your study time on this area simply because the terms feel concrete. The larger law and client-strategy sections carry more weight.
How to prepare for the Series 66 exam
A focused plan follows the exam outline, uses timed practice, and turns mistakes into specific review tasks. Start with the current NASAA content outline, then build a study schedule around the published topic weights. Adjust your plan based on what you miss, not just how many hours you have studied.
Step 1: Confirm which qualification your role needs
Before paying for exam preparation, ask the hiring firm or compliance contact what registrations the job requires. An investment adviser representative, a securities agent, or someone performing both roles may need different qualifications and registrations.
Check requirements with the relevant state securities regulator as well. State rules and job duties matter, and the Series 66 should not be treated as a universal permission to give advice or sell securities.
Step 2: Plan study time by exam weight
Give the most attention to laws and regulations, then client recommendations and strategies. Use the outline to break each area into smaller topics and set clear goals for each study session.
For example, you might spend more review sessions on state law and ethics than on economic indicators, while still covering every topic. The exact schedule depends on your starting knowledge and available time.
Step 3: Use practice questions as a diagnostic tool
Timed practice helps you build pacing and find weak areas. After each session, review every incorrect answer and any correct answer you guessed. Keep an error log with three details:
- The topic you missed
- Why your chosen answer seemed plausible
- What rule or concept points to the better answer
This turns practice into targeted review. If you repeatedly miss questions about registration, for instance, return to that topic in the official outline and study the distinctions before taking another timed set.
Step 4: Schedule, sit, and review your score report
Once you are ready, follow the applicable FINRA process to enroll and schedule the exam. Candidates generally do not need firm sponsorship to sit for the Series 66, but enrollment steps and fees can change. Check current FINRA instructions before you register.
On test day, pace yourself across 150 minutes. If a question is taking too long, use the exam’s available review tools as directed, move on, and return if time permits. After the exam, use the official score report to guide any additional preparation if you do not pass.
Career use, registration, and what passing does not do
The Series 66 can be part of the exam path for securities and advisory roles, but it is only one part of the process. A passing result does not approve your state registration, create a job, or authorize you to perform regulated work. Coordinate exam status, firm requirements, and regulator approval before you begin those duties.
| Situation | What the Series 66 result means | What to confirm next |
|---|---|---|
| You pass, but do not hold a valid Series 7 | The Series 66 alone may not meet the combined qualification requirement | Ask the firm and state regulator what additional exam is needed |
| You pass and hold a valid Series 7 | You may meet exam requirements for combined roles in many jurisdictions | Confirm state registration and firm requirements |
| You pass but have not completed registration | You have passed an exam, not received authorization to practice | Check Form U4, state approval, and any other required steps |
| You fail | The score report can show areas for further study | Check current retake and enrollment instructions |
Registration commonly involves a firm and a Form U4, the application used for securities-industry registration. The exact process depends on the role and jurisdiction. Passing the exam is not the same as approval of that application.
I recommend treating the Series 66 as one milestone in a sequence: confirm the role, verify the exam path, prepare to the official outline, pass the required exams, and complete registration. That sequence helps prevent the costly misunderstanding that an exam result alone is a license.
Frequently asked questions about the Series 66
These quick answers clarify the Series 66’s format, score, study focus, and limits. They are general guidance, not a substitute for instructions from FINRA, a sponsoring firm, or the state regulator where you plan to register. Check current official requirements before you schedule or begin regulated work.
How many questions are on the Series 66?
There are 110 multiple-choice questions: 100 scored and 10 unscored pretest questions. You have 150 minutes to complete the exam. Since you cannot identify the pretest questions, answer all questions with care.
What score do I need to pass the Series 66?
You need 73 correct answers out of the 100 scored questions. The 10 unscored pretest questions do not affect your score.
What is the Series 66 pass rate?
There is no reliably current official national pass-rate figure published by NASAA or FINRA. Treat commercial estimates as provider-specific unless they clearly cite a defined group and reliable data.
Can I take the Series 66 without a sponsor?
Yes. Firm sponsorship is not required to sit for the exam. Check current FINRA enrollment instructions for the steps, fees, and scheduling process that apply to you.
Is the Series 66 a license?
No. It is an exam qualification, not a standalone license or authorization to practice. State registration and any other required qualifications must be completed before you perform regulated work.
Do I need the Series 7 with the Series 66?
A valid Series 7 is generally needed to use the Series 66 for the combined state-law qualification. Confirm the requirement for your intended role with your firm and the relevant state regulator.
What topics are on the Series 66?
The exam covers laws and regulations (45%), client recommendations and strategies (30%), investment vehicle characteristics (17%), and economic factors and business information (8%).
How long is the Series 66 exam?
You have 150 minutes. The exam has 110 questions, including 10 unscored pretest questions, so plan your pace for the full test period.
Can I work as an investment adviser representative after passing?
Not based on the exam result alone. You must meet the applicable exam and registration requirements, which may include a valid Series 7, Form U4 processing, and state approval.
What should I study first?
Start with the current NASAA content outline. Prioritize laws and regulations, then client recommendations and strategies, while making time to cover all four areas and review your practice-test errors.
(This article was written by one of our staff writers, Nathan Sterling. Visit our Meet the Team page.)
