Stock Trading Quality Control & Assurance 3 — Questions and Answers
Question 1: Which regulatory requirement under SEC Rule 15c3-5 (Market Access Rule) directly relates to trading quality controls?
- Brokers must report all trades to FINRA within 24 hours
- Brokers must implement pre-trade risk controls before market access is granted (Correct answer)
- Brokers must maintain paper records of all algorithmic code
- Brokers must conduct quarterly audits of client portfolios
Correct answer: Brokers must implement pre-trade risk controls before market access is granted
SEC Rule 15c3-5 requires broker-dealers to have pre-trade financial and regulatory risk controls before providing market access.
Question 2: A trader is reviewing slippage data and finds that slippage increases sharply for orders over 10,000 shares. This is most consistent with:
- Front-running by the broker
- Market impact from order size exceeding available liquidity (Correct answer)
- A bug in the order management system
- Incorrect time-zone settings on the trading terminal
Correct answer: Market impact from order size exceeding available liquidity
Large orders consume available limit orders at the best prices, causing market impact and greater slippage.
Question 3: What is 'paper trading' primarily used for in the quality assurance process?
- Documenting trades for tax purposes
- Simulating strategy performance without real capital at risk (Correct answer)
- Printing trade confirmations for regulatory files
- Backtesting strategies on historical data
Correct answer: Simulating strategy performance without real capital at risk
Paper trading validates a strategy's live performance in real market conditions before committing actual capital.
Question 4: A firm discovers its risk system calculates Value at Risk (VaR) using stale prices from two hours ago. What is the most critical quality control failure?
- Using the VaR model at all
- Data feed integrity and real-time validation (Correct answer)
- Insufficient position limits
- Failure to hedge currency exposure
Correct answer: Data feed integrity and real-time validation
Stale price data undermines risk calculations, indicating a breakdown in data feed validation and timeliness controls.
Question 5: Which of the following best describes 'trade reconciliation' as a quality control process?
- Comparing theoretical P&L to actual P&L to identify discrepancies (Correct answer)
- Verifying that trading strategies comply with investment mandates
- Ensuring all traders have passed competency exams
- Reviewing marketing materials for accuracy
Correct answer: Comparing theoretical P&L to actual P&L to identify discrepancies
Trade reconciliation matches internal records against broker and custodian statements to catch errors or unauthorized activity.
Question 6: A trading desk implements 'order-level' and 'aggregate-level' risk checks. What is the key difference?
- Order-level checks are manual; aggregate-level checks are automated
- Order-level checks evaluate each individual order; aggregate-level checks evaluate total portfolio exposure (Correct answer)
- Aggregate-level checks run pre-trade; order-level checks run post-trade
- Order-level checks apply only to equities; aggregate checks apply to all asset classes
Correct answer: Order-level checks evaluate each individual order; aggregate-level checks evaluate total portfolio exposure
Order-level checks screen individual orders while aggregate checks monitor cumulative risk across the entire book.
Question 7: In the context of algorithmic trading quality assurance, what is a 'canary deployment'?
- A trading strategy that only trades during pre-market hours
- Rolling out a new algorithm to a small subset of production traffic before full deployment (Correct answer)
- A disaster recovery test using backup servers
- An alert system that sounds when drawdown limits are breached
Correct answer: Rolling out a new algorithm to a small subset of production traffic before full deployment
Canary deployment limits exposure to new code defects by first routing only a small fraction of live traffic through the updated algorithm.
Stock Trading Quality Control & Assurance 3
Which regulatory requirement under SEC Rule 15c3-5 (Market Access Rule) directly relates to trading quality controls?