Free Series 66 study guide · PDF

Free Series 66 study notes, the efficient way.

Plain-English summary notes written straight from the NASAA Series 66 test specifications, with the exam's traps flagged before you meet them. Enter your email and download it straight away.

  • The Series 66 explained, and a study plan built on its four topic weights
  • Every topic in plain English, with the key facts and how the exam asks it
  • Exam traps flagged before you meet them

From SIE Simplified, the Series 66 course built to be the most efficient way to pass: one concept at a time, nothing off the outline.

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YOUR FREE SERIES 66 NOTES, AT A GLANCE

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Written from the NASAA Series 66 test specifications. Facts verified September 8, 2026.

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Clean, printable pages that read like a good teacher talks: the idea first, then the rules and numbers the exam tests.

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Opening page of Economics and Analysis in the free Series 66 notes
Plain English firstThe opening page of Economics and Analysis.
A page of the free Series 66 notes with key facts and a trap box
Traps flagged, facts in one placeKey facts, tables and trap boxes on every topic.

What is inside

Everything in your free Series 66 notes.

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The Exam and Your Plan
What this exam is, how it is scored, and what it expects of you
How to use this course: the lesson rhythm, the notes, the questions and the mocks
Economics and Analysis
Time value of money: present value, future value, net present value and internal rate of return
Descriptive statistics: mean, median, mode, range, standard deviation and correlation
The risk-adjusted measures: beta, alpha and the Sharpe ratio
The financial statements and the liquidity and leverage ratios
The valuation ratios: price to earnings and price to book

Every topic follows the same pattern: the plain-English version, the details, the key facts, and how the exam asks about it.

The efficient way

Less to read. More of it on the exam.

Study where the marks are

A plan built on the exam's weights

45% of the Series 66 is law and ethics, the area most candidates under-prepare. Your notes open with a study plan built on the weights, so your hours land where the marks are.

Plain English first

Understand it, then memorize it

Every topic opens with the plain-English version, then the details, the key facts, and how the exam actually asks about it. Read once for understanding, once for the marks.

Traps flagged

Spot the wrong answer that looks right

The exam's favorite move is an answer choice built to catch people who almost know the rule. Every one we know of gets an orange trap box, like the one in this page from your notes.

Series 66 EXAM WEIGHTS

Economic factors and business information8%
Investment vehicle characteristics17%
Client recommendations and strategies30%
Laws, regulations and guidelines, including unethical business practices45%
SIE SimplifiedFree Series 66 notes · Economics and Analysis

› Time value of money: present value, future value, net present value and internal rate of return

The plain-English version

Money has a price, and the price is time. A dollar you hold today can be invested, so it is worth more than a dollar promised a year from now. Every calculation in this lesson is a version of that one idea.

The trapThe direction of the discount rate. Raising the rate lowers present value, and lengthening the time to payment lowers it too. A rate is a discount, not a reward, in this calculation.

From your free notes, word for word.

Questions

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Is the Series 66 study guide really free?
Yes. Enter your email and your download page opens straight away. No card and no account. Marketing emails are optional. Your guide download does not depend on consenting.
What is in the free Series 66 study notes?
How the Series 66 works and a study plan built on its weights, then every topic in Economics and Analysis. Every topic gives you the plain-English version, the details, the key facts, how the exam asks about it, and the traps.
What is the Series 66 exam?
The Uniform Combined State Law exam, developed by NASAA and administered by FINRA: 100 scored questions plus 10 unscored, in 150 minutes, and you need 73 of the 100 to pass. The Series 7 is its co-requisite, not a prerequisite, so you can sit either one first.
Are the notes up to date?
They are written from the NASAA Series 66 test specifications, and the facts in them were last verified on September 8, 2026. When a rule changes, the notes and the course are updated together.
Who writes SIE Simplified?
SIE Simplified is an independent exam-prep company. Every lesson, note and practice question is original material written from the official content outlines, and every practice answer cites the rule behind it. We are not affiliated with FINRA or NASAA.
Is there a full Series 66 course?
Yes. The Series 66 course has 49 short video lessons, the complete 152-page summary notes, 340 practice questions with every answer explained, and 3 full-length timed mocks. It is $149 for 12 months, or included in the $39 a month plan for all three courses, which starts with 7 free days. See the Series 66 course.

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SIE®, Securities Industry Essentials® and FINRA® are registered trademarks of the Financial Industry Regulatory Authority, Inc. The Series 66 exam, the Uniform Combined State Law Examination, is developed by the North American Securities Administrators Association (NASAA) and administered by FINRA. Neither FINRA nor NASAA is affiliated with SIE Simplified, was involved in the production of this product, or endorses it. All lessons, notes and questions are original material built from the official content outlines.
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