Series 4 Exam — Mock Exams & Practice Tests

Prepare for FINRA Series 4 (Registered Options Principal) with a blueprint-aligned syllabus, an options-principal cheat sheet, authoritative resources, and exam-style practice.

The Series 4 (Registered Options Principal Qualification Exam) is a principal-level exam focused on supervising a firm’s options business: approving options accounts, supervising recommendations and margin, overseeing trading operations and market access controls, reviewing options communications, and supervising associated persons.

Key points:

  • Sponsorship required: you must be associated with a FINRA member firm (or other applicable SRO member firm) to sit for Series 4.
  • Corequisites: SIE + Series 7 (FINRA also references certain equivalent qualification paths; see FAQ).
  • Registration category: Registered Options Principal (OP) (FINRA Rule 1220(a)(8), high level).

Use this hub as your study flow:

  • Overview: exam format, timing, score, eligibility, and function weights
  • Syllabus: blueprint → functions → learning objectives (practice links included)
  • Cheatsheet: supervision workflows, margin/risk controls, and common traps
  • Practice: timed mocks + targeted drills
  • FAQ: prerequisites, eligibility, and study strategy
  • Resources: official FINRA links and the content outline PDF
  • Updates: content changes and syllabus mapping updates

In this section