Free Series 66 Practice Exam

More than 950 questions · Updated Oct 28, 2026

The Series 66 (Uniform Combined State Law Examination) combines agent and investment adviser representative state-law content in one exam, typically taken alongside the Series 7.

Practice the Series 66

Work through exam-style questions for the Uniform Combined State Law Examination (Series 66), one at a time, with an explanation after each answer. No account required — sign in only if you want your progress synced across devices.

Series 66 at a glance

Exam format: 100 scored multiple-choice questions plus 10 unscored pretest questions (110 total), 150 minutes, closed-book, computer-based. Passing score: 73% (must correctly answer at least 73 of the 100 scored questions). Prerequisites: No prerequisite is required to sit for the Series 66 itself. The SIE and the FINRA Series 7 are co-requisites for registering with a state using the Series 66. This site has more than 950 free Series 66 practice questions with explanations.

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About the Series 66 exam

Level
Dual registration exam — meets the exam requirement for registration as both a securities agent (broker-dealer representative) and an investment adviser representative (IAR)
Format
100 scored multiple-choice questions plus 10 unscored pretest questions (110 total), 150 minutes, closed-book, computer-based
Passing score
73% (must correctly answer at least 73 of the 100 scored questions)
Number of questions
100 scored questions + 10 unscored pretest questions = 110 total
Prerequisites
No prerequisite is required to sit for the Series 66 itself. The SIE and the FINRA Series 7 are co-requisites for registering with a state using the Series 66.
Who it's for
Financial professionals seeking dual state registration as both a broker-dealer agent and an investment adviser representative, typically paired with the Series 7.
View the official exam guide (NASAA (North American Securities Administrators Association) develops the content outline; FINRA administers the exam and processes registration) ↗

What’s on the Series 66

  • Economic Factors and Business Information8%
    • Analytical Methods

      Covers time-value-of-money math (IRR, NPV, future value), descriptive statistics (mean, median, standard deviation, alpha/beta/Sharpe ratio, correlation), financial ratio analysis (current, quick, debt-to-equity), and valuation multiples like price-to-earnings and price-to-book.

  • Investment Vehicle Characteristics17%
    • Cash and Cash Equivalents

      Insured deposit products (demand deposits, CDs) and money market instruments such as commercial paper and Treasury bills.

    • Fixed Income Valuation

      How bonds are priced and compared using duration, maturity, yield-to-call/maturity, coupon, conversion value, credit ratings, credit spreads, and discounted cash flow.

    • Types of Equity Securities

      Common stock (domestic, foreign, ADRs) and preferred/convertible/floating-rate preferred stock.

    • Equity Valuation Factors

      Technical analysis, fundamental analysis, dividend discount models, and discounted cash flow approaches to valuing stocks.

    • Characteristics of Equity Securities

      Shareholder rights (voting, preemptive rights, liquidation preference), restricted/resale-restricted stock, dividends, and incentive vs. nonqualified employee stock options.

    • Equity Public Offerings

      IPOs, secondary offerings, and SPAC/blind-pool/blank-check structures.

    • Types of Pooled Investments

      Open- and closed-end mutual funds, private funds (hedge funds, private equity, venture capital), UITs, ETFs, and liquid vs. non-liquid REITs.

    • Characteristics of Pooled Investments

      Share classes, liquidity, tax treatment, fee structures, NAV and premium/discount pricing, risk/benefit tradeoffs, and comparison factors like benchmarks and manager tenure.

    • Futures and Options

      Basic definitions of futures and options contracts.

    • Alternative Investments

      Risk and application of leveraged funds, inverse funds, structured products, and exchange-traded notes.

    • Insurance-Based Products

      Fixed, variable, and indexed annuities, and whole/term/universal/variable life insurance definitions.

    • Other Assets

      Commodities, precious metals, and the definition/characteristics/risks of digital assets.

  • Client/Customer Investment Recommendations and Strategies30%
    • Type of Client/Customer

      Individuals and sole proprietors, business entities (partnerships, LLCs, C/S-corps), trusts/estates, and foundations/charities as client types.

    • Client/Customer Profile

      Gathering and using financial goals, cash flow/balance sheet/tax situation, risk tolerance, non-financial factors (values, life stage, behavioral finance), and time horizon to build a client profile.

    • Capital Market Theory

      Core investment theories — CAPM, Modern Portfolio Theory, and the Efficient Market Hypothesis.

    • Portfolio Management Strategies, Styles, and Techniques

      Strategic vs. tactical asset allocation; active/passive/growth/value/income styles; and techniques like diversification, sector rotation, dollar-cost averaging, and leveraging.

    • Tax Considerations

      Individual income tax basics (capital gains, tax basis, AMT), entity-level taxation, and estate/gift tax fundamentals including exemptions and portability.

    • Retirement Plans

      Traditional/Roth IRAs, solo 401(k)s, qualified plans (401(k), 403(b), 457, SEP, SIMPLE), and nonqualified plans.

    • ERISA Issues

      Fiduciary duties under ERISA, including qualified default investment alternatives and diversification requirements.

    • Special Types of Accounts

      Education accounts (529s, Coverdell), UTMA/UGMA custodial accounts, and health savings accounts.

    • Ownership and Estate Planning Techniques

      Account titling (JTWROS, tenants in common, tenancy by entirety), TOD/POD designations, beneficiary designations, wills/trusts basics, QDROs, and donor-advised funds.

    • Trading Securities

      Order types and trading terminology, the roles of broker-dealers/custodians/market makers, trading costs, and best execution obligations.

    • Portfolio Performance Measures

      Return calculations (risk-adjusted, time-weighted, dollar-weighted, IRR, after-tax), current yield, and use of relevant benchmarks.

  • Laws, Regulations, and Guidelines Including Prohibition on Unethical Business Practice45%
    • Regulation of Investment Advisers

      Definitions, notice-filing, registration and books-and-records requirements for state-registered and federal covered investment advisers, and supervision of IARs.

    • Regulation of Investment Adviser Representatives

      Who qualifies as an IAR, registration/exclusion rules, and ongoing requirements like continuing education and reportable-event disclosures.

    • Regulation of Broker-Dealers

      Broker-dealer definitions, registration/exclusion requirements, and supervisory obligations over agents.

    • Regulation of Agents of Broker-Dealers

      Definition of an agent and the registration/maintenance requirements that apply to them.

    • Regulation of Securities and Issuers

      Definitions of securities/issuers, state registration requirements, registration exemptions, and state antifraud/enforcement authority.

    • Remedies and Administrative Provisions

      Powers of the state securities Administrator, administrative actions, and other penalties/liabilities.

    • Communication with Clients and Prospects

      Required disclosures, bans on misrepresenting registration status or guaranteeing performance, client agreements, and rules governing advertising across social media, email, and websites.

    • Ethical Practices and Fiduciary Obligations

      Compensation disclosure, custody and discretion rules, AML obligations, conflict-of-interest and prohibited-activity rules (insider trading, selling away, market manipulation, exploitation of vulnerable adults, etc.), cybersecurity/privacy duties, and business continuity planning.

Practice Series 66 by topic

Free Series 66 sample questions with answers

How to study for the Series 66

Series 65 vs Series 66

Series 66 vs Series 63 + Series 65

Series 66 exam FAQ

How many questions are on the Series 66 exam?
100 scored questions + 10 unscored pretest questions = 110 total
What is a passing score on the Series 66?
73% (must correctly answer at least 73 of the 100 scored questions)
What is the format of the Series 66 exam?
100 scored multiple-choice questions plus 10 unscored pretest questions (110 total), 150 minutes, closed-book, computer-based
Are there prerequisites for the Series 66?
No prerequisite is required to sit for the Series 66 itself. The SIE and the FINRA Series 7 are co-requisites for registering with a state using the Series 66.
Who should take the Series 66?
Financial professionals seeking dual state registration as both a broker-dealer agent and an investment adviser representative, typically paired with the Series 7.

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