Hard Market Microstructure Practice Questions
75 free hard-difficulty Market Microstructure questions, drawn live from KomFi's calibrated bank. These are the items that separate top scorers — every one carries a full explanation and trap analysis once you sign in.
- If the probability of an informed trader is α = 0.2, what is the competitive ask price a dealer should set?
- What is the Probability of Informed Trading (PIN)?
- If the probability of informed trading α is 0.3, what is the equilibrium ask price set by a risk-neutral deale
- If Σ₀ = 0.25 and σ_u = 5,000, what is the resulting price change Δ P?
- If α = 0.5, V_H = 60, V_L = 40, and the prior is δ = 0.5, calculate the mid-price after a buy order is execute
- In the equilibrium of the single-period Kyle model, how much of the informed trader's private information is r
- What is the break-even quoted bid-ask spread the dealer must set to cover adverse selection costs?
- A Glosten-Milgrom model has V_H = 200, V_L = 150, δ = 0.3, and α = 0.5. Calculate the probability of a buy ord
- Which of the following legal strategies is most likely to be employed by this trader?
- A retail broker receives PFOF of $0.20 per 100 shares. If they route a 500 share market buy order to a wholesa
- A stock is added to a major index. If the event probability α increases from 0.2 to 0.4 due to higher informed
- In a Glosten-Milgrom framework, if the prior probability of high value V_H is 0.5, and the probability of an i
- Calculate the Probability of Informed Trading (PIN) given the following daily parameters: probability of an in
- What is VPIN, and does it suggest elevated adverse-selection risk?
- A dealer quotes a bid-ask spread using the Glosten-Milgrom f… — Holding μ fixed, how does this asymmetry chang
- Which conclusion about the implied price impact of an unexpected buy order is correct?
- Under the standard assumption that informed traders strongly prefer immediate execution while uninformed liqui
- A trader wants to buy 5,000 shares cheaply. They place a lar… — What pathology is this?
- A trader observes the following order book for 'Zeta': Bid: 100 @ 10.00, 200 @9.95 Ask: 100 @ 10.05, 300 @10.1
- Approximately how long does the SIP-informed slower router remain exposed to the stale quote, and what trade d
- What is the maximum time window during which the market maker on B has not yet received the signal to update b
- An ETF's intraday indicative value (iNAV) is calculated by t… — Which participants exploit this deviation and
- What is the stale-quote window during which the HFT can trade against the slow participant's quotes, and what
- Which microstructural metric combination most definitively identifies this as a 'spoofing' footprint rather th
- Under strict price-time priority, what determines how many firms fill and what share of those 500 shares each
- If the typical aggressor size is 4,000 shares, which matching engine provides a higher probability of an immed
- If a market buy order for 1,000 shares is submitted, what is the exact difference in the allocation received b
- What is the clearing price that maximizes traded volume?
- If a market uses a Pro-Rata matching engine rather than Price-Time Priority (FIFO), how might the permanent im
- What is the clearing price that maximizes the traded volume?
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