A draft of a new research report is sent to 30 existing institutional clients for feedback. Does a principal need to approve this communication before it is sent?
If you answered "yes," you've just fallen for the most common trap on the Series 24 exam. The number "30" is a perfect distractor, designed to make you think of the "more than 25 retail investors" threshold. But the key isn't the number; it's the audience. Because this communication goes exclusively to institutional investors, it's classified as Institutional Communication, which does not require principal pre-approval. The test isn't about memorizing numbers; it's about applying the right rule to the right audience. This is the level of judgment the Series 24 demands.
The Series 24 (S24-ALL) is a 150-question FINRA exam with a 70% passing score, required for professionals who supervise a broker-dealer's business activities. It qualifies an individual to act as a General Securities Principal, overseeing areas like sales, trading, and investment banking compliance.
Key facts
- Official Body: Financial Industry Regulatory Authority (FINRA)
- Exam Code: S24-ALL
- Prerequisites: An acceptable prerequisite exam like the Series 7, 57, 79, or 82 is required.
- Exam Format: 150 scored multiple-choice questions (plus 10 unscored pretest questions)
- Passing Score: 70% (105 correct answers out of 150)
- Time Limit: 3 hours and 45 minutes
- 2026 Exam Fee: $160 (confirm current fees with FINRA)
What is the Series 24 Exam, and Who Needs It?
The Series 24 exam qualifies you to act as a General Securities Principal for a FINRA member firm. This isn't a license to sell; it's a license to supervise the people and activities involved in a firm's securities business. This role assumes you've already mastered the foundational knowledge from exams like the Securities Industry Essentials (SIE) and a top-off like the Series 7. If your career path involves managing a firm's investment banking, approving advertising, or overseeing trading, you will need to pass the Series 24.
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Passing this exam signifies a shift in responsibility from serving clients to protecting the firm and the market. The focus moves from the client-facing rules you mastered for exams like the Series 65 and 66 to the internal supervisory framework that governs the entire firm. You become the first line of defense for compliance. The salary for this role reflects that expertise, typically ranging from $90,000 to over $180,000.
For many professionals, this is the next step after proving their competence with an exam like the Series 7, which has its own unique challenges (see the latest Series 7 pass rate data here). VoraPrep's adaptive learning engine is designed for this transition. You can try VoraPrep's adaptive Series 24 practice questions to see how our question-first approach pinpoints your specific weak areas from day one.
Deconstructing the 2026 Series 24 Exam Blueprint (S24-ALL)
The exam is built around the five critical job functions of a General Securities Principal. Your study plan must mirror this structure. Allocating your time based on question weighting is the most efficient way to prepare.
Here is the official breakdown from FINRA:
| Function # | Title | # of Questions | Weighting |
|---|---|---|---|
| 1 | Supervision of Registration of BD & Personnel Management | 16 | 11% |
| 2 | Supervision of General Broker-Dealer Activities | 23 | 15% |
| 3 | Supervision of Retail & Institutional Customer-Related Activities | 47 | 31% |
| 4 | Supervision of Trading & Market-Making Activities | 32 | 21% |
| 5 | Supervision of Investment Banking & Research | 32 | 21% |
| Total | Scored Questions | 150 | 100% |
Functions 3, 4, and 5 comprise 73% of your score. Mastering these three areas gives you a commanding position on exam day.
Function 1: Supervision of Registration and Personnel (16 Questions)
This function covers the administrative core of a compliant firm. You will be tested on hiring practices, the registration and reporting requirements for representatives (Form U4), termination procedures (Form U5), and the firm's Continuing Education obligations.
Timelines are everything here. For example, a Form U5 must be filed within 30 calendar days of a representative's termination. An amended U4 disclosing a statutory disqualification event must be filed within 10 business days. The exam will test your knowledge of these specific, unforgiving deadlines.
Function 2: Supervision of General Broker-Dealer Activities (23 Questions)
This section tests the firm's operational and financial integrity. Expect questions on financial responsibility rules, particularly the net capital requirements of SEA Rule 15c3-1 and the customer protection rules of SEA Rule 15c3-3. You must also know the regulations for maintaining books and records.
This is about the firm's ability to operate safely, not about individual client interactions. Questions on business continuity plans and procedures for handling lost or stolen securities are common.
> 💡 Worked example: > A small broker-dealer has aggregate indebtedness of $600,000 and net capital of $45,000. Is the firm in compliance with the net capital rule? > > 1. Identify the Rule: SEC Rule 15c3-1 requires that an established firm's ratio of aggregate indebtedness (AI) to net capital (NC) not exceed 15-to-1. > 2. Calculate the Ratio: AI / NC = $600,000 / $45,000 = 13.33. > 3. Compare to the Limit: The firm's ratio is 13.33-to-1. > 4. Conclusion: Since 13.33 is less than 15, the firm is in compliance with the ratio test. > > The trap: The question may also provide the firm's minimum dollar net capital requirement (e.g., $50,000). A candidate might see that $45,000 is below $50,000 and incorrectly conclude the firm is in violation. You must know that a firm must meet both the ratio test and its minimum dollar requirement.
Function 3: Supervision of Retail & Institutional Customers (47 Questions)
This is the largest section of the exam. It covers your core supervisory duties: approving new accounts, enforcing suitability and best interest standards under Regulation BI, reviewing customer communications, and handling complaints. The impact of Regulation Best Interest (Reg BI) is a major theme, affecting everything from recommendations to conflict disclosures.
The distinction between communication types is a frequent point of failure.
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``mermaid
flowchart LR
A[Communication Sent] --> B{Audience};
B --> C[25 or fewer retail investors in 30 days];
C --> D[Correspondence];
D --> E[Post review or Spot check];
B --> F[More than 25 retail investors in 30 days];
F --> G[Retail Communication];
G --> H[Principal Pre approval Required];
B --> I[Institutional Investors ONLY];
I --> J[Institutional Communication];
J --> K[Post review or Spot check];
``
This flowchart shows that the required supervisory action depends entirely on the audience. Beyond classification, you must also know the content standards for all communications—they must be fair, balanced, and not misleading.
Function 4: Supervision of Trading and Market-Making (32 Questions)
This is the most technical part of the Series 24. You must understand the mechanics of the market. This includes order handling rules (e.g., the Limit Order Display Rule), trade reporting requirements for various systems (e.g., TRACE for corporate bonds, OATS for Nasdaq), and identifying prohibited trading practices.
> ⚠️ Exam trap: > A registered rep receives a large institutional order to buy 200,000 shares of XYZ stock. Before entering the institutional order, the rep buys 100 shares of XYZ for his personal account. Is this a violation? > > - Tempting Wrong Answer: No, the amount is de minimis. 100 shares is a tiny amount that won't affect the execution of the large institutional order. > -
This is a textbook case of front-running, a serious violation of FINRA Rule 5270. The rep is using non-public information about an impending trade to personally profit. The size of the rep's trade is irrelevant; the act itself is the violation. The Series 24 tests your ability to identify the principle of the violation, regardless of the dollar amount.
Function 5: Supervision of Investment Banking and Research (32 Questions)
The final function covers the firm's underwriting and research activities. You must know the rules around public offerings, due diligence responsibilities, and the strict information barriers required between investment banking and research departments.
Mastering the specific rules that enforce these barriers is key. This includes FINRA Rule 2241 (Research Analysts and Research Reports) and Regulation M, which governs trading activities by firms involved in a securities offering. The exam will present scenarios where a banker attempts to influence a research report and expect you to identify the specific breach of the information barrier.
Your 90-Day Series 24 Study Plan
An 80-120 hour study commitment requires a structured plan. This schedule focuses on systematic learning and reinforcement, not last-minute cramming.
Step 1: Weeks 1-4: Build the Foundation (Functions 1 & 2)
Begin by reading your study material and taking practice quizzes on the core operational and administrative rules. Focus on understanding the "why" behind registration, record-keeping, and net capital. These are the rules that keep the firm running.Step 2: Weeks 5-8: Master Customer Supervision and Trading (Functions 3 & 4)
This is the heaviest lift. Dedicate these four weeks to the two largest and most complex sections. Spend two full weeks on Function 3 (Customer Activities) and two on Function 4 (Trading). Use VoraPrep's adaptive question bank extensively here. Our engine will identify if you're consistently missing questions on Reg BI versus communications and serve you more questions in that area until you achieve mastery. You can review a full breakdown of the Series 24 exam details and format on our info page.Step 3: Weeks 9-10: Investment Banking and Mid-Point Review (Function 5)
Focus on investment banking and research rules. At the end of week 10, take a full-length, timed practice exam. The score is less important than the analysis. Review every single question you got wrong and, just as importantly, every question you guessed right. Confirm you understood the logic.Step 4: Weeks 11-12: Final Review and Exam Simulation
This is your final push. Your time should be spent on full practice exams and targeted quizzes on your weakest areas. The VoraPrep platform provides an authentic 1:1 exam simulation, so you'll be comfortable with the timing and interface on test day. In the final few days, lightly review your notes and formulas. Walk into the exam confident and well-rested.Frequently asked questions
What is the hardest part of the Series 24 exam? Most candidates find Function 3 (Supervision of Customers) and Function 4 (Supervision of Trading) the most challenging. These sections combine a high volume of rules with nuanced, scenario-based questions that require careful judgment. How long should I study for the Series 24? You should plan for 80 to 120 hours of study over two to three months. This timeframe allows for deep learning and retention without causing burnout, though candidates with extensive supervisory experience may require less time. Is the Series 24 harder than the Series 7? Yes, the Series 24 is widely considered more difficult than the Series 7. The Series 7 tests your knowledge as a representative, while the Series 24 tests your judgment and ability to supervise those representatives across a much broader range of complex activities. Can I take the Series 24 without being sponsored? No, you cannot take the Series 24 exam without being sponsored by a FINRA member firm. Your firm must open a 120-day window for you to schedule and take the exam. What's the best way to use a Series 24 (S24-ALL) study guide? The most effective way to use a Series 24 study guide is as a reference, not a novel. Your primary focus should be on answering practice questions to identify weak areas. Instead of reading a textbook cover-to-cover, use an adaptive platform like VoraPrep to diagnose your gaps, then consult your study guide to understand the specific rules you're misapplying. This question-first approach builds the judgment the exam actually tests.---
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