The hardest SIE exam questions, according to real data
Every prep company has an opinion about what makes the SIE hard. This page has measurements: aggregate, anonymous miss rates from real practice answers on Lucky the Banker's bank of 1,906 SIE questions. It regenerates daily — last updated 2026-07-04.
Across 7,560 real answers, candidates miss 25.8% of questions overall. But the misses are not evenly spread — the topics below are where scores actually go to die.
The hardest SIE topics, ranked by real miss rate
| # | Topic | Miss rate | Attempts |
|---|---|---|---|
| 1 | Options | 34.9% | 774 |
| 2 | Anti-Money Laundering & Reporting | 33.7% | 83 |
| 3 | Economic Indicators | 31.8% | 358 |
| 4 | Debt Securities | 29.8% | 870 |
| 5 | Communications & Sales Practices | 26.6% | 143 |
| 6 | Trading & Settlement | 26% | 738 |
| 7 | Capital Markets & Offerings | 24.8% | 808 |
| 8 | Investment Companies & Packaged Products | 24.2% | 1,320 |
The 15 most-missed SIE questions right now
Each links to the full question with the answer and explanation — free, no signup. Minimum 10 real attempts to qualify.
- Regulatory Framework · 10 attempts
- Debt Securities · 19 attempts
- 72.7% missedAnti-Money Laundering & Reporting · 11 attempts
- 70% missedRegulatory Framework · 10 attempts
- 68.8% missedEconomic Indicators · 16 attempts
- 68.4% missedEconomic Indicators · 19 attempts
- Debt Securities · 10 attempts
- 58.3% missedDebt Securities · 12 attempts
- 57.1% missedEconomic Indicators · 21 attempts
- 54.5% missedTrading & Settlement · 11 attempts
- 52.6% missedEquity Securities · 19 attempts
- 50% missedEconomic Indicators · 18 attempts
- 13. Which feature distinguishes a Unit Investment Trust (UIT) from mutual funds and closed-end funds?50% missedInvestment Companies & Packaged Products · 12 attempts
- 50% missedInvestment Companies & Packaged Products · 10 attempts
- 46.2% missedEquity Securities · 13 attempts
The calibration surprise
Questions our authors label "easy" get missed 22.4% of the time, while "hard" ones get missed 27.7%. The gap between how hard a question looks and how often it is actually missed is exactly why studying from real miss data beats studying from vibes.
Turn this list into a study plan
Reading the hardest questions is diagnosis, not treatment. Drill your own weak areas — the app tracks which topics you personally miss and rebuilds your quiz mix around them.
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. Full tables, per-topic attempt counts, and a JSON download live in the SIE difficulty report. Official exam format facts come from the FINRA SIE exam page.