FINRAFINRA
FINRA (the Financial Industry Regulatory Authority) is the self-regulatory organization that oversees US broker-dealers and their registered representatives. Funded by its members and overseen by the SEC, it writes and enforces rules, runs BrokerCheck and handles arbitration.
Most US investors never deal with the SEC directly, but their brokers deal with FINRA every day. FINRA writes conduct rules for brokers, examines firms, disciplines misconduct and offers dispute resolution. Its BrokerCheck tool lets anyone look up a broker's record. This entry explains what FINRA does and how it protects investors.
- Category
- Market Structure
- Reading time
- 3 min
- Also called
- Financial Industry Regulatory Authority, BrokerCheck operator
- Updated
FINRA in plain words
FINRA works with more than 3,250 member firms and over 625,000 registered representatives.1
As a self-regulatory organization, it is funded by member firms and other sources rather than by government spending.1
Its rules include suitability obligations requiring that recommended trades not be excessive for the customer.2
How FINRA protects investors, step by step
Registers brokers
Licensing exams and records.
Writes rules
Conduct, suitability, advertising. See Churning.
Examines firms
Regular compliance checks.
Monitors markets
Surveillance for manipulation. See Spoofing, Layering and Wash Trading.
Disciplines misconduct
Fines, suspensions, bars.
Resolves disputes
Arbitration and mediation.
Worked examples
Example 1 — Checking a broker
Informed choiceBefore opening an account, you look up an adviser on BrokerCheck and find two past customer complaints.
| Record found | 2 disclosures |
| Action | Ask questions or choose another adviser |
FINRA's tools let investors research brokers before trusting them. See Due Diligence.
Example 2 — Excessive trading
Possible violationA broker trades a conservative account 10 times its value in a year.
| Turnover | 10× |
| Rule | Quantitative suitability |
FINRA's suitability rule covers trading that is excessive when taken together.2 See Churning.
Example 3 — Front running
ProhibitedA trader buys ahead of a client's 50,000-share block order.
| Block size | ≥ 10,000 shares |
| Rule | FINRA Rule 5270 |
FINRA rules prohibit trading ahead of imminent block transactions.3 See Front Running.
FINRA vs SEC
| Aspect | FINRA | SEC |
|---|---|---|
| Type | Self-regulatory organization | Federal agency |
| Oversees | Broker-dealers | Entire securities market |
| Funding | Member firms | Government budget |
| Relationship | Overseen by the SEC | Oversees FINRA. See Securities and Exchange Commission |
How investors use FINRA
BrokerCheck
Research brokers and firms.
Complaints
Report misconduct.
Arbitration
Resolve disputes with brokers.
Education
Investor alerts. See Pump and Dump.
Advantages and disadvantages
Advantages
- Industry expertise in rule-making.
- No direct taxpayer cost.
- Free investor tools.
Disadvantages
- Industry-funded, raising conflict concerns.
- Arbitration can favour firms.
- Doesn't cover all advisers.
Going deeper
Read as far as you need. Each level builds on the one before it.
An SRO
Beginner
FINRA is a self-regulatory organization, funded by its members.1 See Self-Regulatory Organization.
Governance
Intermediate
A majority-public Board of Governors oversees FINRA, with other seats held by industry representatives.1
Suitability tests
Advanced
Turnover rate, cost-equity ratio and in-and-out trading can all show a breach of quantitative suitability.2
Common mistakes
Skipping BrokerCheck
It takes two minutes.
Confusing FINRA with insurance
SIPC covers broker failure. See SIPC Protection.
Assuming all advisers are FINRA members
Some register only with the SEC or states.
Missing arbitration deadlines
Time limits apply.
Check your understanding
Test yourself before moving on. Each answer comes with an explanation.
Key points to remember
- FINRA regulates US broker-dealers.
- It is a member-funded SRO overseen by the SEC.
- It writes rules, examines firms and disciplines misconduct.
- BrokerCheck lets investors research brokers.
- It runs arbitration for disputes.
Frequently asked questions
Is FINRA a government agency?
What is BrokerCheck?
Does FINRA protect my money if a broker fails?
Further learning
- Securities and Exchange Commission
FINRA's overseer.
- Self-Regulatory Organization
What an SRO is.
- SIPC Protection
Protection if a broker fails.
- Churning
A key FINRA enforcement area.
Sources
This article is written in our own words. The sources below support the specific facts, rules and figures marked with a number in the text. Links open the original publisher’s page.
- FINRA. How FINRA Serves Investors and Members (opens in a new tab) Checked .
- FINRA. Rule 2111. Suitability (opens in a new tab) Checked .
- FINRA. Rule 5270. Front Running of Block Transactions (opens in a new tab) Checked .
Educational content, not financial advice. Examples use hypothetical prices and simplified costs; actual fees, margin rules and regulations vary by broker, market and country. We are not affiliated with any publisher linked above. Last reviewed . Report an error or request a source credit.