Quant case studies, worked step by step

Cases
100
Traced to a firm
43
Topics
11
Hard
30
Topic
All topicsSignal research and data tasks10Options and volatility trading10Market-making games14Portfolio construction10Strategy evaluation and backtests9Execution and market microstructure8Fixed income and credit8Regression and model review8Risk measurement and limits9Statistical arbitrage and event trades8Position sizing and bankroll6
Level
AnyWarm upCoreHard
Source
AnyReported at a firmStandard
Showing 1–7 of 7 · filtered from 100Clear filters
  1. 007A fund holds Rs 40 crore of a 2-year government bond (duration 1.9), Rs 35 crore of a 5-year (4.4) and Rs 25 crore of a 10-year (7.6). Compute portfolio duration and DV01, show two ways to raise duration to 5.5, and the P&L of a 50 bp fall in yields.Fixed income and creditWarm upPIMCOLos Angeles · 2026
  2. 020A Rs 500 crore equity fund has daily volatility of 1.1%. Compute the one-day 99% VaR, the ten-day VaR by the square-root-of-time rule and the monthly VaR, then explain how daily autocorrelation of 0.2 breaks the scaling.Risk measurement and limitsWarm upAQR Capital ManagementGreenwich · 2022
  3. 022A one-day tick file has 2% of rows at price zero, 5% duplicated timestamps and one print of 8,120 between prints of 812. Identify each error, fix it, and show how each would distort daily realised volatility.Signal research and data tasksWarm upHudson River TradingAnonymous interview candidate in · 2024
  4. 028The offers are 5,000 shares at 100.10, 8,000 at 100.20 and 12,000 at 100.35 around a mid of 100.00. You must buy 20,000 shares now. What is your average price and your impact against mid?Execution and market microstructureWarm upMizuhoHong Kong · 2024
  5. 037In a market on the sum of two dice you sell 3 to interviewer A at 7.5, buy 2 from B at 6.5, sell 4 to A at 7.2 and buy 4 from B at 7.0, at Rs 100 a point. Where is your position, and what is your P and L if it settles at 8?Market-making gamesWarm upOptiverAmsterdam · 2023
  6. 051Five players trade a contract that settles at the sum of ten dice rolled one at a time in public. After four rolls totalling 17, one player bids 38 and another offers 36. What is fair value, and what can you lock in by trading between them?Market-making gamesWarm upDRWNew York · 2026
  7. 095Read a regression output: Kalindor Motors' monthly returns on the market over 60 months give beta 1.35 (standard error 0.15), alpha 0.2% a month (standard error 0.4%) and R-squared 0.58. Does beta differ from 1, what is its 95% interval, and what do you make of alpha?Regression and model reviewWarm upWolverine TradingChicago · 2016

Company names and figures are illustrative.