hft — Market Microstructure Practice Questions

46 free Market Microstructure questions on hft: 20 easy, 18 medium, and 8 hard, every one exam-realistic and fully explained once you sign in. This is the fastest way to turn hft from a weakness into a scoring area — drill it in 10-question reps with immediate feedback.

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1. A trader places a large sell order for 50,000 shares at $50.01 only to cancel it immediately after buying 10,0
2. A high-frequency trading firm detects a price change on the NYSE and executes a trade on BATS $50 microseconds
3. An HFT firm's co-located server receives a direct data feed… — What is the primary risk this latency gap creat
4. A high-frequency trader places a buy order for 10,000 shares… — Which prohibited practice does this scenario d
5. A high-frequency trader (HFT) notices that the price of a stock has just risen on the New York Stock Exchange
6. How does the algorithm's reaction contribute to a potential flash crash?
7. A trader wanting to buy 10,000 shares cheaply places a 50,000-share sell order at $50.01, causing other partic
8. As the price of the underlying stock begins to fall rapidly, what is the delta-hedging response required of th
9. A trader wants to buy 5,000 shares cheaply. They place a lar… — What pathology is this?
10. Options market makers are net short gamma on a stock. If the stock price begins to fall rapidly, what is the e
11. An options market maker is 'short gamma'. If the underlying stock price begins to rise rapidly, what action mu
12. A trader places a large buy order at 50.05 while the market… — This is a classic example of which practice?
13. A high-frequency trader places 5,000-share sell orders at 50… — This behavior is best described as:
14. A trader places a large buy order at 45.50 when the market i… — What is this behavior called?
15. A High-Frequency Trading (HFT) firm uses microwave links to receive a price change from the NYSE and submits a
16. An HFT firm co-locates its servers at the NYSE data center t… — This is known as:
17. Which venue are they likely using?
18. A high-frequency trader wants to buy 10,000 shares of XYZ at a low price. He places a 50,000-share sell order
19. If the HFT firm buys at Venue B at t=1ms, who is the participant suffering the loss?
20. If they successfully buy 10,000 shares on BATS before the quote updates and immediately sell after the BATS mi
21. A high-frequency trader detects a large buy order on the NYS… — Which microstructure pathology is this trader
22. The firm executes against Venue B and immediately sells on Venue A. If the firm's round-trip connectivity late
23. A trader observes the following order book for 'Zeta': Bid: 100 @ 10.00, 200 @9.95 Ask: 100 @ 10.05, 300 @10.1
24. If the goal is to induce other traders to buy at $50.10 before the trader cancels their sell orders, this prac
25. Which microstructure phenomenon best explains why prices collapse so much further than fundamental news would
26. Approximately how long does the SIP-informed slower router remain exposed to the stale quote, and what trade d
27. What is the maximum time window during which the market maker on B has not yet received the signal to update b
28. An ETF's intraday indicative value (iNAV) is calculated by t… — Which participants exploit this deviation and
29. An authorized participant (AP) sees an ETF trading at 100.20… — To profit from this discrepancy, the AP should
30. What is the stale-quote window during which the HFT can trade against the slow participant's quotes, and what