Lucky the Banker mascotLTB
← Back to SIE exam prep
Public SIE data report

SIE exam difficulty report: what real candidates actually miss

Most “is the SIE hard?” answers are opinion. This report is measured: aggregate, anonymous miss rates from real practice answers on Lucky the Banker, joined to a public bank of 1,906 SIE questions. Refreshed daily — last generated 2026-08-19.

Answers analyzed
11,566

Real practice answers, aggregated anonymously per question.

Overall miss rate
24.6%

Share of all analyzed answers that were wrong.

Questions with data
1,897

Bank questions with at least one real attempt; 267 have 10+ attempts and are ranked below.

Hardest topics

SIE topics ranked by real miss rate

Topics need at least 30 real attempts to be ranked. Higher miss rate = candidates get these wrong more often.

TopicMiss rateAttemptsQuestions with data
Anti-Money Laundering & Reporting35.8%13727
Options34.9%1,229219
Economic Indicators28.8%50448
Debt Securities28.4%1,362239
Trading & Settlement25.4%1,142200
Capital Markets & Offerings25.1%1,197146
Communications & Sales Practices24.8%24648
Equity Securities23.1%1,172188
Regulatory Framework22%1,094179
Investment Companies & Packaged Products21.5%1,942313
Account Types20.9%633122
Risk & Portfolio Management19.9%28754
Customer Accounts & Suitability15.7%16629
Prohibited Activities & Ethics9.7%45585
Most missed

The 20 most-missed SIE practice questions

Each question links to a free page with the full answer and explanation. Minimum 10 attempts.

  1. Capital Markets & Offerings · Securities Exchange Act of 1934 · 10 attempts · Authored “medium”
  2. Anti-Money Laundering & Reporting · Anti-Money Laundering · 15 attempts · Authored “medium”
  3. Economic Indicators · Risk — Inflation Impact on Asset Classes · 10 attempts · Authored “hard”
  4. Equity Securities · Book Value · 10 attempts · Authored “hard”
  5. Debt Securities · Agency Bonds · 13 attempts · Authored “easy”
  6. Investment Companies & Packaged Products · ETFs - Redemption · 12 attempts · Authored “medium”
  7. Debt Securities · Treasury Securities - T-notes · 22 attempts · Authored “medium”
  8. Regulatory Framework · Code of Procedure · 11 attempts · Authored “hard”
  9. Economic Indicators · Lagging Indicators · 20 attempts · Authored “medium”
  10. Options · Options — Short Put · 10 attempts · Authored “hard”
  11. Debt Securities · Putable Bonds · 10 attempts · Authored “medium”
  12. Equity Securities · Market Cap · 10 attempts · Authored “hard”
  13. Economic Indicators · Inflation/purchasing power risk · 10 attempts · Authored “easy”
  14. Regulatory Framework · MSRB Rules - Enforcement · 13 attempts · Authored “medium”
  15. Options · Options—Put Writing · 13 attempts · Authored “hard”
  16. Debt Securities · CMOs · 13 attempts · Authored “hard”
  17. Capital Markets & Offerings · Regulation A+ · 15 attempts · Authored “medium”
  18. Anti-Money Laundering & Reporting · Anti-Money Laundering · 12 attempts · Authored “hard”
  19. Debt Securities · Municipal bonds · 12 attempts · Authored “medium”
  20. Options · Options - Time Value · 11 attempts · Authored “medium”
Calibration

Does authored difficulty match real performance?

Authored “easy”
21.7%
miss rate across 3,307 attempts
Authored “medium”
25.4%
miss rate across 5,605 attempts
Authored “hard”
26.8%
miss rate across 2,654 attempts
Methodology & sources

Computed from anonymous, aggregate practice-answer records on Lucky the Banker joined to the public SIE question bank. Answers are counted per question; no names, emails, or per-user data are used or exposed. Questions need at least 10 real attempts to be ranked individually and topics need at least 30 attempts. The report refreshes daily.