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Comprehensive Guide to the FINRA General Securities Principal Exam (Series 24)

Master the FINRA Series 24 exam with our expert guide. Explore the General Securities Principal syllabus, supervisory requirements, and study strategies for compliance leadership.

Published May 2026Updated May 20269 min readStudy GuideIntermediateTreasury Conquer
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Treasury Conquer Editorial Team

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We build exam-prep resources for Treasury Conquer, turning official exam information into practical study plans, readiness benchmarks, and candidate-first guidance.

Introduction to the General Securities Principal Qualification

The FINRA General Securities Principal Exam, commonly known as the Series 24, is a rigorous assessment designed to ensure that individuals supervising a broker-dealer's general securities business possess the necessary knowledge and competency. Unlike representative-level exams that focus on product features and suitability, the Series 24 is a 'supervisory' exam. It tests your ability to manage people, review transactions, and ensure firm-wide compliance with the rules of the Securities and Exchange Commission (SEC) and the Financial Industry Regulatory Authority (FINRA).

Earning the Series 24 designation allows an individual to supervise a broad range of activities, including investment banking, trading, market making, and retail sales. It is often a mandatory requirement for branch managers, compliance officers, and senior executives at broker-dealers. Because of its breadth, it is frequently cited as one of the most difficult hurdles in a financial professional's career.

Eligibility and Prerequisites

Before sitting for the Series 24, candidates must meet specific prerequisite requirements. You cannot hold a principal registration without first holding a representative-level registration. The most common path is completing the Series 7 (General Securities Representative Exam). However, FINRA allows for several other entry points depending on the candidate's specific role:

  • Series 7: General Securities Representative
  • Series 57: Securities Trader Representative
  • Series 79: Investment Banking Representative
  • Series 82: Private Securities Offerings Representative
  • Series 99: Operations Professional

It is important to note that the specific activities you can supervise as a Series 24 principal are limited by the prerequisite exam you hold. For example, a principal who qualified via the Series 79 can only supervise investment banking activities, even if they pass the Series 24.

Exam Format and Structure

The Series 24 exam consists of 150 scored multiple-choice questions, plus an additional 10 unscored 'pretest' questions that are randomly distributed throughout the exam. These pretest questions do not count toward your final score but are used by FINRA to evaluate the validity of new questions for future exams.

Feature Details
Total Questions 160 (150 scored, 10 unscored)
Time Allotted 3 hours and 45 minutes (225 minutes)
Passing Score 70%
Format Computer-based, multiple-choice

Candidates are provided with a basic electronic calculator and scratch paper or a dry-erase board at the testing center. No outside materials are permitted.

The Series 24 Topic Blueprint

The exam is divided into five functional areas, each representing a different facet of a principal's responsibilities. Understanding the weight of each section is critical for prioritizing your study time.

Function 1: Supervision of Registration of the Broker-Dealer and Personnel Management

This section covers the administrative side of running a firm. It includes the registration of the firm itself (Form BD), the registration of individuals (Form U4 and U5), and the maintenance of those registrations. Key topics include:

  • Statutory disqualification and the MC-400 filing process.
  • Continuing Education (CE) requirements (Regulatory Element and Firm Element).
  • The 'Taping Rule' for firms hiring a significant number of representatives from disciplined firms.
  • Annual compliance meetings and interviews.

Function 2: Supervision of General Broker-Dealer Activities

This is the largest section of the exam, focusing on the firm's internal controls and regulatory obligations. Candidates must understand:

  • FINRA Rule 3110: The core rule governing the establishment and maintenance of a supervisory system.
  • Anti-Money Laundering (AML): Requirements under the Bank Secrecy Act and the USA PATRIOT Act.
  • Business Continuity Plans (BCP): Ensuring the firm can operate during a disaster.
  • Financial Responsibility: A high-level look at net capital requirements (though less detailed than the Series 27).

This section deals with the interaction between the firm and the public. A major component is FINRA Rule 2210 (Communications with the Public). You must distinguish between:

  • Retail Communications: Distributed to more than 25 retail investors within 30 days.
  • Correspondence: Distributed to 25 or fewer retail investors within 30 days.
  • Institutional Communications: Distributed only to institutional investors.

Principals must know which communications require pre-approval, which must be filed with FINRA, and the specific timelines for those filings.

Function 4: Supervision of Trading and Market Making Activities

This function tests knowledge of the secondary markets. It is often the most technical part of the exam, covering:

  • The Manning Rule: Limit order protection.
  • Regulation SHO: Short sale requirements and 'locate' rules.
  • Best Execution: The duty to seek the most favorable terms for customer orders.
  • TRACE and OATS/CAT: Reporting systems for fixed income and equity trades.
  • Markups and Commissions: The 5% Policy and factors that determine fairness.

Function 5: Supervision of Investment Banking and Research

This section covers the primary markets and the 'Chinese Wall' (Information Barriers) between departments. Key topics include:

  • Regulation M: Preventing manipulation during a securities offering.
  • Rule 144 and 144A: Sale of restricted and control securities.
  • Research Analyst Rules: Preventing conflicts of interest between research and investment banking.
  • Quiet Periods: Restrictions on publishing research around an IPO or follow-on offering.

Difficulty Analysis: The Principal Mindset

The primary reason candidates struggle with the Series 24 is that they approach it with a 'representative' mindset. On the Series 7, a question might ask if a specific investment is suitable for a customer. On the Series 24, the question will ask what the principal's responsibility is when they notice a representative has made an unsuitable recommendation.

The exam requires you to be the 'policeman' of the firm. You are looking for red flags, ensuring filings are made on time (often within 10, 15, or 30 days), and determining the appropriate disciplinary action. The difficulty lies in the nuances-knowing when a rule has a specific exception or when a filing deadline changes based on the type of violation.

Study Timeline and Strategy

Given the 100-hour recommendation, most candidates find success with a 6-week plan:

  • Weeks 1-2: Read the full study manual once without taking notes. Focus on understanding the broad regulatory landscape.
  • Weeks 3-4: Re-read the manual, this time focusing on specific deadlines and numbers. Start taking short practice quizzes on individual chapters.
  • Week 5: Focus heavily on Function 2 and Function 3, as these carry the most weight. Begin taking full-length, timed practice exams.
  • Week 6: Review wrong answers from practice exams. Do not just look at the correct answer; understand why the other three options were incorrect. This is the most effective way to build the 'Principal Mindset.'
The Series 24 is a marathon, not a sprint. Consistency in daily study is more effective than 'cramming' 20 hours into a weekend.

Official Materials and Supplemental Tools

FINRA provides a content outline that serves as the 'source of truth' for the exam. However, the outline is merely a list of rules and does not provide the explanatory context needed to pass. Candidates must rely on third-party providers for textbooks and question banks.

Is a premium practice tool worth it?

A premium practice tool, such as the one offered by Treasury Conquer, is highly recommended for the Series 24. Here is an honest assessment:

  • Pros: Practice tools simulate the actual testing environment, helping to manage time pressure. They provide exposure to the 'tricky' phrasing FINRA uses, such as 'all of the following EXCEPT' or 'which of these is MOST likely.' They also help identify weak areas so you don't waste time studying what you already know.
  • Cons: No practice tool can perfectly replicate the actual exam questions. If you simply memorize the practice questions, you will likely fail the real exam. The tool must be used to learn the logic of the rules, not the questions themselves.

For those looking to test their baseline knowledge, starting with a free practice set can help gauge the jump in difficulty from representative-level exams.

Exam-Day Logistics

The Series 24 is administered at Prometric testing centers. You should arrive at least 30 minutes before your scheduled appointment. You will need to provide valid, government-issued photo identification. The testing center will require you to store all personal belongings in a locker.

During the exam, you can flag questions for review and return to them later. A common strategy is to do a 'first pass' of the exam, answering everything you are certain of, and then returning to the flagged, more difficult questions. With 225 minutes for 160 questions, you have about 1.4 minutes per question, which is generally sufficient for most candidates.

Common Mistakes to Avoid

  1. Ignoring the 'Days': The Series 24 is full of specific timelines (e.g., 10 days for a taping rule report, 30 days for a U5 filing, 15 days for a CTR). Many candidates lose points by confusing these deadlines.
  2. Over-studying Math: While you should know the basics of markups and net capital, don't spend hours on complex calculations. The exam is 95% conceptual and rule-based.
  3. Underestimating Function 4: Trading and Market Making can be confusing for those who have only worked in retail sales. Ensure you understand the role of a Market Maker and the various trading halts (Limit Up/Limit Down).
  4. Misidentifying Communication Types: This is a high-yield area. If you can't distinguish between a retail communication and institutional communication, you will struggle with Function 3.

Career Outcomes and Value

Passing the Series 24 is a transformative step in a financial services career. It signals to employers that you are capable of handling the legal and ethical responsibilities of leadership. Common roles for Series 24 holders include:

  • General Securities Principal: Overseeing the entire operations of a firm.
  • Compliance Officer: Designing and implementing the firm's supervisory procedures.
  • Supervisory Analyst: Reviewing and approving research reports.
  • Branch Manager: Managing the daily activities of a local office and its representatives.

In many cases, the Series 24 is a prerequisite for further specialization, such as becoming a Municipal Securities Principal (Series 53) or a Registered Options Principal (Series 4).

It is helpful to understand how the Series 24 fits into the broader regulatory landscape. While the Series 24 is the 'General' principal exam, other exams focus on specific niches:

  • Series 24 vs. Series 9/10: The Series 9/10 is the 'General Securities Sales Supervisor' exam. It is more limited in scope, focusing primarily on the supervision of sales activities at a branch level, whereas the Series 24 covers investment banking and market making.
  • Series 24 vs. Series 27: The Series 27 is for Financial and Operations Principals (FINOPs). It is much more math-intensive and focuses on the firm's books, records, and financial reporting rather than sales and trading supervision.

Final Readiness Benchmarks

How do you know if you are ready? Before scheduling your exam, you should aim for the following benchmarks:

  • Consistently scoring 80% or higher on full-length practice exams.
  • Ability to explain the 'why' behind major rules (e.g., why Regulation M exists).
  • A firm grasp of the different filing deadlines for Form U4, U5, and Rule 2210.
  • Comfort with the 'Principal Mindset'-identifying the supervisory action required in a scenario.

If you are consistently hitting these marks, you are likely prepared for the challenge of the Series 24. For more information on pricing and study packages, visit our pricing page.

Official Sources and Further Reading

Candidates are strongly encouraged to verify all requirements and exam details directly with the certifying body. The regulatory environment is subject to change, and the official FINRA website is the definitive source for the most current information.

  • FINRA Official Series 24 Page: The primary source for exam enrollment and content outlines.
  • FINRA Manual: The complete set of FINRA rules, available online for free.
  • SEC Market Regulation: For deeper insights into Regulation M and Regulation SHO.

FAQ

Frequently Asked Questions

Answers candidates often look for when comparing exam difficulty, study time, and practice-tool value for FINRA General Securities Principal Exam (Series 24).

What is the pass rate for the Series 24 exam?
FINRA does not officially publish pass rates for the Series 24. However, it is widely considered one of the most challenging exams in the FINRA catalog due to its focus on complex supervisory logic and legal nuances rather than simple product knowledge.
How long should I study for the Series 24?
Most successful candidates dedicate between 80 and 120 hours of focused study over a period of 4 to 8 weeks. This allows for a deep dive into the five functional areas and sufficient time for multiple full-length practice exams.
Can I take the Series 24 without the Series 7?
The Series 24 requires a prerequisite or corequisite 'core' exam. While the Series 7 is the most common prerequisite, other exams like the Series 57, 79, 82, or 99 can also satisfy the requirement depending on the specific principal role you are seeking.
What happens if I fail the Series 24 exam?
If you do not pass on your first or second attempt, you must wait 30 days before retaking the exam. If you fail a third time, a mandatory 180-day waiting period applies before any subsequent attempts.
Is the Series 24 exam mathematically intensive?
No, the Series 24 is not math-heavy. While you may encounter a few questions regarding net capital requirements or markup calculations, the vast majority of the exam focuses on the application of rules, filing deadlines, and supervisory procedures.
How do practice questions help with the Series 24?
Practice questions are essential for mastering the 'Principal Mindset.' They help you recognize the specific triggers in a question that dictate which rule applies, such as the difference between a retail communication and correspondence.

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