Free FINRA SIE (Securities Industry Essentials) Limits and Thresholds Sheet (2026)

Every SIE formula you need on the test, grouped by topic, rendered with full math notation. 20 formulas across 4 topics, calibrated to the 2026 syllabus. Free forever, no signup required.

20 Limits
4 Topics
2026 Syllabus
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All SIE Limits

SIE Limits and Thresholds

Knowledge of Capital Markets 4 items
An accredited investor needs $200,000 income ($300,000 joint) or $1M net worth excluding primary residence.
FDIC insures bank deposits up to $250,000 per depositor, per insured bank, per ownership category.
Regulation A Tier 2 permits exempt offerings up to $75M over 12 months.
SIPC covers $500,000 per customer at a failed broker-dealer, with a $250,000 cash sub-limit.
Understanding Products and Their Risks 8 items
Rights typically expire in 30-45 days with strikes below market, while warrants last 5+ years with strikes above market at issue.
T-notes mature in 2, 3, 5, 7, and 10 years, while T-bonds mature in 20 and 30 years.
Commercial paper has a maximum maturity of 270 days, and negotiable CDs require a $100,000 minimum.
Investment grade ends at BBB- (S&P/Fitch) or Baa3 (Moody's); anything below is high-yield or junk.
A REIT must distribute at least 90% of taxable income and invest at least 75% of assets in real estate to retain pass-through tax status.
One standard equity option contract covers 100 shares, and open-end mutual fund NAV is calculated once daily after the 4:00 PM ET market close.
A 529 donor may front-load $90,000 via 5-year gift-tax averaging using the annual exclusion of $18,000 per donor.
FINRA's maximum mutual fund sales load is 8.5%, and total 12b-1 fees must stay at or below 0.25% for a fund to call itself "no-load."
Understanding Trading, Customer Accounts and Prohibited Activities 4 items
Reg T initial margin is 50%, FINRA maintenance is 25% long and 30% short, with minimum equity of $2,000 to open.
Traditional IRA RMDs begin at age 73 under SECURE 2.0, and early withdrawals before age 59½ trigger a 10% penalty plus tax.
CIP records must be retained for 5 years after account closure and must include name, DOB, physical address, and SSN/ID number.
CTRs must be filed within 15 days for cash over $10,000, while SARs must be filed within 30 days of detection (60 days if no suspect).
Overview of the Regulatory Framework 4 items
FINRA Rule 3220 caps business gifts at $100 per person per year, and freeriding triggers a 90-day cash-account freeze.
Under SEC Rule 17a-4, broker-dealer records are retained for 6 years, with the first 2 years readily accessible.
FINRA Rule 2165 permits a temporary hold of 15 business days on a senior's disbursement, extendable by 10, for 25 maximum.
Insider trading civil penalties reach treble damages and criminal penalties reach 20 years imprisonment with $5M individual / $25M entity fines.

Frequently Asked Questions

Is the SIE formula sheet free?
Yes. The full SIE formula sheet is free, with no signup, no email, and no credit card required. 20 formulas across 4 topics, all rendered with the same KaTeX math notation used in the FreeFellow study app.
Can I download the SIE formula sheet as a printable PDF?
Yes. A 1080x1350 portrait PDF (Instagram and LinkedIn carousel native size, also great for tablet study) is linked at the top of this page. The PDF is fully self-contained: math is pre-rendered, fonts are embedded, no internet connection needed once downloaded.
What's covered on the SIE formula sheet?
Every formula is grouped by official syllabus topic, with the formula in math notation plus a one-line note on when to use it (or a watch-out from CAIA, CFA, or other prep-provider commentary). Coverage is calibrated to the 2026 syllabus and refreshed when the corpus changes.
Is this formula sheet affiliated with FINRA?
No. FreeFellow is not affiliated with the FINRA or any examination body. This is an independent study aid covering the published syllabus.
What else is free at FreeFellow for SIE candidates?
The full question bank with detailed solutions, mixed practice, readiness tracking, lessons (where available), and the formula sheet are all free forever. Fellow ($59/quarter or $149/year per track) unlocks timed mock exams, spaced-repetition flashcards, performance analytics, AI essay grading, and a personalized study plan.
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