The Series 66 exam, designed for candidates holding a Series 7 license who want to become 澳洲幸运5官方开奖结果体彩网:Investment Advisor Representatives (IARs), combines 🌠澳洲幸运5官方开奖结果体彩网:elements of the Series𝄹 63 and 65 exams and can be challenging despite not requiring sponsorship by a 澳洲幸运5官方开奖结果体彩🍨网:Financial Industry Regulatory Authority (FINRA) member firm. To help you prep eff𒐪ectively, we reviewed top course providers and selected the best options across five categories.
The best Series 66 exam prep courses offer a wide range of teaching materials, provide live instruction and support, come with ongoing access to educational materials, and more. Based on Investopedia’s proprietary analysis of the data we collected from nine Series 66 exam prep course providers, the best overall prep course is provided by Knopman Marks. Knopman Marks also offers the most comprehensive set of materials and teaching methods. Securities Training Corporation delivers a very comprehensive curriculum, Study.com’s Series 66 exam course is the best value, Kaplan has put together the best premium course package, and Achievable is tops for students who value community-based insights.
Best Series 66 Exam Prep Courses of June 2025
- Best Overall and Most Comprehensive: 澳洲幸运5官方开奖结果体彩网: Knopman Marks
- Also Good for a Comprehensive Experience: 澳洲幸运5官方开奖结果体彩网: Securities Training Corporation
- Best Value: 澳洲幸运5官方开奖结果体彩网: Study.com
- Best Premium Course Offering: Kaplan
- Best for a Community Experience: 澳洲幸运5官方开奖结果体彩网: Achievable
Best Overall and Most Comprehensive : Knopman Marks
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Knopman Marks
- Cost: $396 ($620 for the All Access Pass premium account)
- Money-Back Guarantee: No (only returns on unopened materials)
- Live Instructor Support: Yes
Best Overall
Knopman Marks scored the highest on Investopedia’s comprehensive ratings model due to its industry-best list of study materials, expert-led instruction, year-long access ꦅwindow, and more.
Most Comprehensive
Offering both basic and premium packages, Knopman Marks delivers an unmatched mix of self-paced and live learning options. Students benefit from detailed study guides, full access for one year, and performance-tracking tools that help build confidence and exam readiness.
Extensive list of learning materials
Direct instructor support
Mobile app available
12-month access period
No refund guarantee
Higher price compared to at least some others
Students who value getting their instruction from a company with a long history of building and improving its course offerings, Knopman Marks has spent over three decades erecting its reputation as one of the foremost FINRA exam prep companies. Founded by securities training expert Harvey Knopman, the company has trained h♌undreds of thousands of finance professionals—from Wall Street analysts to top-tier advisoဣrs.
What sets Knopman Marks apart is its unmatched depth of resources and flexibility in how students can engage with the material. For an entire year, students have access to a full suite of Series 66 study tools that includes, but is not limited to, a printed textbook, digital learning center, on-demand video lectures, detailed class notes, benchmark ✤diagnostic exams, and a performance-tracking dashboard that adjusts based on progress. Students also get access to live virtual or in-person training that reinforces highly-tested topics and test-taking strategies in the final days before the exam.
Students can attend regularly scheduled live Q&A sessions or book one-on-one time with instructors—many of whom have real-world experience as investment professionals and are known for their clear, engagingꦉ teaching styles. For aspiring reps who want a structured, guided approach with every possible base covered, we found Knopma🎃n Marks to be the best overall Series 66 prep option available. Despite Knopman Marks’ powerful overall offering, the company’s lack of a money-back guarantee policy is worth noting.
Also Good for a Comprehensive Experience : Securities Training Corporation
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- Cost: $154 (Standard), $222 (Premier), $337 (Premium Plus)
- Money-Back Guarantee: Yes
- Live Instructor Support: Yes
Securities Training Corporation is also highly regarded by Investopedia for its comprehensive suite of learning materials, topic coverage, and access to expert assistance via multiple mediums.
Money-back guarantee
Live instructor support
Available mobile app for both Android and iOS
Multiple customer support options
Relatively high price point
Having served over a million candidates, Securities Training Corporation (STC) is another company that has a long history as a leader in exam preparation for various securities licenses. STC's Series 66 prep course is renowned for its robust study materials and flexible learning formats. The program includes a 12-chapter print and digital study manual aligned with the 澳洲幸运5官方开奖结果体彩网:FINRA Series 66 content outline, on-demand video lectures, which total approximately six hours. It is also in synch with a variety of practice exams such as progress tests, final exams, and custoℱmizable quizzes. To reinforce key concepts, students have access to flashcards and "Crunch Time Facts," which are concise summaries designed for efficient review.
One of STC's standout features is its live instruction options. Students can participate in weekly one-hour Q&A sessions with experienced instructors, providing opportunities for clarification and guidance. Additionally, STC offers an instructor hotline for personalized support, ensuring that learners can get assistance as needed throughout their study process. It offers all of this and its popular STC Pass Guarantee. With its extensive resources, flexible learning options, and dedicated instructional support, STC's Series 66 prep course stands out as one of the most comprehensive programs available.
Best Value : Study.com
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Study.com
- Cost: $60
- Money-Back Guarantee: Yes (30-day trial)
- Live Instructor Support: No
Study.com provides an affordable, flexible way to prepare for the Series 66 licensing examination, especially for self-starters. For just $60, users get unlimited access to digestible lessons and practice exams, with added access to other FINRA prep courses.
Clean, intuitive design
Access to all FINRA course material
Value-packed price
Unlimited access
Limited customization options
No live instruction
Designed for affordability and convenience, Study.com launched in 2002. Its mission Is to make quality education widely accessible. Accordingly, its Series 66 prep course is priced at just $60, offering exceptional value with unlimited access to digital learning materials. The course encompasses 142 online lessons, a whopping 710 practice questions, 20 practice exams, and 42 videos totaling four hours. This multi-format approach caters to various learnin🐈g st🐭yles, ensuring that students can grasp complex concepts effectively.
By providing a rich array of study materials and access to abundant free materials—all at a competitive price— Study.com delivers exceptional value for people who are preparing for the Series 66 and other FINRA exams. Additionally, the platform's user-friendly interface and flexible access options make it convenient for learners to study at their own pace and on their own schedule. As an added benefit, students gain access to other FINRA-related courses under the same subscription, including the SIE and Series 6, 63, 65, 66, 24, and 79 exams.
Despite its affordability, the program does come with some limitations. Most not🐭ably, there’s no live instruction or instructor support—features that can be particularly helpful when tackling complex FINRA exams.
Best Premium Course Offering : Kaplan
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Kaplan
- Cost: $149 (Basic), $189 (Essential), $269 - $299 (Premium)
- Money-Back Guarantee: No (only returns on unopened materials)
- Live Instructor Support: Yes (with premium packages)
Kaplan Financial offers what Investopedia believes is the best premium Series 66 prep course because of the industry-leading quality and breadth of the amenities it offers.
Multiple pricing tiers ($209 to $479)
Large content bank
Robust exam customization
InstructorLink for premium users
Shortest access period (150 days) of programs we examined
No money-back option
Kaplan is a widely recognized and trusted brand in financial education. Since 1938, it has earned that stature by improving its offering. Now, it has a reputation for high-quality test prep. Its Series 66 prep program is divided into three well-crafted tiers, t🤡ailored to meet the needs—and budgets—of a wide range of students.
The Basic package, priced at $209, is designed for self-starters. It includes a comprehensive꧒ exam manual and access to the SecuritiesPro QBank, which features unlimited, cusꦡtomizable practice exams that can be downloaded for offline study. A performance tracker and guided study plan help students stay organized and focused throughout their prep.
The next level of learnꩵing, the Essential package, costs $299 and adds a layer of structure through introductory and wrap-up videos, as well as midterm exams. For those looking for the most support, Kaplan’s Premium package really delivers. The $269 OnDemand option and $299 Live Online version include everything in the lower tiers, plus access to InstructorLink—a standout feature that connects students directly with expert instructors for extra guidance when needed.
Best for a Community Experience : Achievable
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Achievable
- Cost: $199
- Money-Back Guarantee: No
- Live Instructor Support: No
For individuals seeking a collaborative and comprehensive preparation for the Series 66 exam, Achievable is Investopedia’s top choice for its unparalleled community-driven experience.
Excellent mobile study experience
Unique community experience
Free trial available
Access to free materials
Top-tier access period
No live support or printed materials
Only one pricing option ($199)
Founded in 2016, Achievable is something of a new-comer to the exam prep space. Don’t let the company’s relative inexperience fool you, though. Achievable has 🌸rapidly gained recognition for its innovative approach to professional exam preparation that leverages adaඣptive learning technology to personalize study plans and enhance retention and efficiency.
Achievabl🦹e also offers something that is completely unique among the companies we reviewed, and that is its online community that helps to foster collaboration among Series 66 candidates. Through its dedicated forums, learners can engage in discussions, share insights, and seek guidance from peers and instructors alike.
Complementing its community feature, Achievable offers a comprehensive suite of study materials. The platform includes an easy-to-understand online textbook, over 1,200 chapter quizzes and more than 26 full-length practice exams that mirror the actual Series 66 exam in format and difficulty. Additionally, the course provides 43+ explainer videos on key topics, catering to various learning styles. Achievable's adaptive learning engine continuously assesses performance, tailoring review sessions to focus on areas needing improvement, thereby optimizing study time.
Why You Should Trust Us
Investopedia has been helping readers find the best tools and platforms for managing their finances since 1999. Investopedia’s team of editors and research analysts evaluated nine Series 66 exam prep courses based on 15 criteria that are critical to helping individuals become 澳洲幸运5官方开奖结果体彩网:registered representatives. We used this data to review each prep course for customer service, costs, available amenities,✨ and other key features to provide unbiased, comprehensive reviews and ensure o🐠ur readers make the right decision for their investing needs.
Our research and ratings are entirely independent, with no influence from ad෴vertising partnerships, and our full-time team of expert writers and editors aims to be unbiased to ensure you’re getting the best recommendations when looking for a Series 66 exam prep course. Investopedia’s staff editors, research analysts, and compliance managers work hard every business day to keep this article up to date and accurate by monitoring product changes on Series 66 exam prep course provider websites and making changes to our content as needed.
How We Chose the Best Series 66 Cources
Investopedia is dedicated to providing investors 💦with unbiased, comprehensive reviews and ratings of Series 66 exam prep courses. Our ratings 🔥of the best Series 66 exam prep course providers are based on our own proprietary research of 15 criteria in four categories that are critical when choosing the right course to best prepare for the rigorous Series 66 exam. The following category weights were used to rate each course:
- Resources & Materials: 38.00%
- Course Structure & Delivery: 32.00%
- Pricing & Packages: 22.00%
- Customer Support: 8.00%
We used this data to develop a comprehensive rubric for evaluating nine Series 66 exam prep courses based on their course format, available add-ons, money-back guarantee, and other features, to help our readers choose the right preparation course. For each company, Investopedia's team of researchers and full-time editorial staff analyzed data obtained directly from company websites and representatives. Our data collection process ran from May 5 to May 6, 2025.
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