Easy Market Microstructure Practice Questions

145 free easy-difficulty Market Microstructure questions, drawn live from KomFi's calibrated bank. Build the foundation first: these test the core mechanics every harder question assumes.

1. To protect against 'adverse selection,' what is the most likely response from the dealer?
2. According to the PIN (Probability of Informed Trading) model, if the rate of informed trader arrivals (μ) incr
3. According to the Glosten-Milgrom framework, what is the adverse selection component of the half-spread?
4. What is the Probability of Informed Trading (PIN)?
5. If an informed trader submits a net buy order of 50,000 shares, how much will the market price change accordin
6. Which component of the bid-ask spread is specifically intended to protect a dealer from the risk of trading wi
7. According to the Glosten-Milgrom framework, if the probability that a trader is informed (α) is zero, what hap
8. If a dealer could perfectly identify every uninformed trader, what would the adverse selection component of th
9. In a call auction, how is the single clearing price determined?
10. In the context of market microstructure, what does the term 'adverse selection' specifically refer to for a li
11. In the PIN formula, what does the parameter α represent?
12. In the PIN model, what does the variable α represent?
13. What does the Probability of Informed Trading (PIN) model primarily measure in a market microstructure context
14. What happens to a market's liquidity if the uncertainty about an asset's fundamental value increases significa
15. What is 'Adverse Selection' in the context of market making?
16. What is the relationship between Kyle's Lambda (λ) and market liquidity?
17. Which component of the bid-ask spread is specifically designed to compensate for 'toxic' order flow?
18. Which of the following describes a 'Zero-Sum Game' in trading?
19. What is the typical microstructure explanation for the price increase prior to inclusion?
20. In the Glosten-Milgrom model, if the market maker is certain that an arriving order is from an uninformed trad
21. An authorized participant (AP) observes an ETF trading at 10… — This action is an example of what microstructu
22. A 'wash trade' is defined by which characteristic?
23. In the Glosten-Milgrom model, why does a bid-ask spread exist even if there are no transaction fees?
24. A dealer worries that a counterparty may know more about the… — What is this information-related trading risk
25. What risk arises because the value of that position can move before it is sold?
26. Which quote adjustment may help reduce that inventory, all else equal?
27. What is the soundest interpretation?
28. A trader places a large sell order for 50,000 shares at $50.01 only to cancel it immediately after buying 10,0
29. A high-frequency trading firm detects a price change on the NYSE and executes a trade on BATS $50 microseconds
30. A high-frequency trader places a buy order for 10,000 shares… — Which prohibited practice does this scenario d

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