Quant Interview Trading Game Review
How to review quant trading game practice for fair value, spread, inventory, update quality, and decision process.
Trading candidates practicing market making and trading games.
Log decisions during the game
A useful review starts with a log: fair value, bid, ask, size, trade, inventory, and reason. Without the log, you are mostly reviewing final profit and loss, which is noisy.
Separate pricing from risk
A bad result can come from a poor fair value, too tight a spread, bad inventory management, or normal variance. Review which part failed before changing your whole approach.
Review update quality
After trades or new information, did you move fair value, width, or inventory skew for a reason? Static quotes in a changing game usually mean you are not using feedback.
Concrete review example
If buyers repeatedly lifted your offer, ask whether your fair value was too low, your offer was too cheap, or the counterparty had information. Each explanation implies a different next drill.
Create one next drill
End review with a single target: initial estimate, spread width, inventory skew, or communication. Fixing one repeated issue beats vaguely trying to trade better next time.
Common mistakes
Candidates often review only P&L. Profit can be lucky and losses can be correct. Trading game review should focus on decision quality under uncertainty.
Practice the pattern
Use the LeetQuidity curriculum and calibration to turn this topic into a focused practice plan.