Medium Market Microstructure Practice Questions
100 free medium-difficulty Market Microstructure questions, drawn live from KomFi's calibrated bank. The exam backbone: the difficulty band where most scoring happens.
- A stock is trading with an NBBO of $40.00 × $40.10. A trade… — According to the Lee–Ready algorithm, how shoul
- At what price is the trader's order most likely to execute?
- At which price will the auction clear to maximize volume?
- If a stock's effective spread is $0.06 and the 5-minute realized spread for the same trade is -0.02, what is t
- If the trader's actual intent is to buy 5,000 shares at $49.98, how does the 50,000-share order facilitate thi
- If the market maker observes a net order imbalance of +10,000 shares (more buyers than sellers), what is the n
- By selecting the best quote over their custodian's original quote of $1.08100, how much does the fund save?
- If options market makers are net 'short gamma,' what is the expected impact of their delta-hedging activity as
- According to Roll's model, if the autocovariance of price changes for a stock is -0.0075, what is the estimate
- According to the Reg NMS Sub-Penny Rule (Rule 612), how should the trading venue handle this order?
- If the market maker applies quote shading with a parameter κ = 0.0001, how will they adjust their midpoint fro
- What action should the AP take to lock in an arbitrage profit?
- A stock is priced at $1.05. A market participant submits a q… — Why is this quote rejected under Rule 612 of R
- According to the Glosten-Milgrom framework, what is the adverse selection component of the half-spread?
- Using Roll's estimator, what is the estimated bid-ask spread?
- If the trader provides liquidity by selling at $42.45 in the auction, what is the primary risk to their profit
- If the probability of an informed trader is α = 0.3, what ask price should a competitive dealer set to ensure
- Calculate the expected market impact cost for selling 200,000 shares of a stock trading at $75 with an average
- If the previous trade was at $50.02, how would the Lee-Ready algorithm classify this trade?
- If the dealer's quote shading parameter κ is $0.00004, what is the new quote midpoint?
- What is the theoretical fair value of the futures contract?
- If the current midpoint is $100 and the market maker is long 200 shares, what is their optimal bid price?
- What is the effective price paid by a buyer who submits a market order?
- What does the resulting variance ratio suggest about the stock's price dynamics?
- If order processing and inventory costs are negligible, what is the competitive bid-ask spread according to th
- Suppose the S&P 500 index is at $5,000 and the fair value of… — Using this symmetric half-cost-per-side band
- If the trader then buys their 10,000 shares at $49.96 and cancels the fake order, how much did they 'save' com
- If the best bid is $25.00 and the mid-quote was previously $25.05, what is the effective spread paid on this t
- What is the total implementation shortfall in basis points?
- If the trader requires a margin of safety (risk premium) of $1.50 due to estimation uncertainty, should they t
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