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3726Delta-Hedge Attribution Versus Option MarkingA desk wants to decompose yesterday's realized delta-hedge PnL and also to mark the option book this morning. Which measure naturally fits each task?随机过程中等essay未尝试面试订阅3727Why Implied Volatility Lives Comfortably with Physical Return ForecastsWhy is it not contradictory to use implied volatility for option marking while using a separate physical return forecast for directional views?随机过程中等essay未尝试面试订阅3728Expected Return of a Stock Index Versus Futures Fair ValueA PM asks for the next-quarter expected return of an index, while a trader asks for the fair value of a future on that same index. How should the measures differ?随机过程中等essay未尝试面试订阅3729Choosing a Measure for a Risk Limit Based on Worst Expected ShortfallA risk committee sets a limit based on expected shortfall of actual desk PnL over ten days. Should the underlying probability law be thought of as P or Q?随机过程中等essay未尝试面试订阅3730Why a Positive Physical Equity Premium Does Not Force Option Prices Up by the Same AmountWhy does a strongly positive physical equity premium not automatically translate into a similarly boosted option price via drift?随机过程中等essay未尝试面试订阅3731Market-Implied Distribution Versus Best-Forecast DistributionHow should you explain the difference between a market-implied distribution from option prices and a best-forecast distribution built from macro signals?随机过程中等essay未尝试面试订阅3732Why a Desk Can Be Right Under P but Still Lose on a Q-Marked PositionHow can a desk's directional thesis be broadly right about realized moves while its marked-to-market derivative position still loses money?随机过程中等essay未尝试面试订阅3733Pricing an Option on Weather Versus Forecasting the Weather ItselfIf a firm trades a weather derivative, why might the measure used to price the contract differ from the one used by meteorologists to forecast temperature?随机过程中等essay未尝试面试订阅3734Which Measure for a Carry Forecast on a Bond PortfolioA rates strategist wants the carry that a bond portfolio is expected to realize over the next month if nothing unusual happens. Which measure is most natural?随机过程中等essay未尝试面试订阅3735Why Changing to Q Is Not Claiming Investors Expect Lower ReturnsWhy is moving from P to Q not the same as claiming that investors literally changed their economic expectations?随机过程中等essay未尝试面试订阅3736Why Physical Backtests Cannot Be Judged from Risk-Neutral Densities AloneWhy would it be a category error to judge a forecasting model's backtest solely against risk-neutral densities implied by option prices?随机过程中等essay未尝试面试订阅3737Choosing a Measure for a Macroeconomic Scenario TreeA strategist is building a scenario tree for inflation, GDP, and unemployment to assess portfolio vulnerability. Which measure is conceptually natural?随机过程中等essay未尝试面试订阅3738Why Q Is Convenient for Hedging but P Matters for Business PlanningWhy might a desk rely on Q for hedging and pricing calculations while still relying on P for budgeting and business planning?随机过程中等essay未尝试面试订阅3739Why No Single Measure Replaces JudgmentA candidate keeps asking which single measure is 'the correct one' for every finance problem. What is the better way to think about the distinction?随机过程中等essay未尝试面试订阅3740Why a Pricing Kernel Sits Between P and QIf someone asks how P and Q are connected rather than merely different, what is the right conceptual answer?随机过程中等essay未尝试面试订阅3741Pure Cash Claim Paid at a Single DateA claim pays a fixed cash amount K at time T and nothing before then. Which numeraire is most convenient, and what ratio becomes a martingale under the associated measure?随机过程中等essay未尝试面试订阅3742Cash Claim Paid at T2 but Known at T1A product determines its cash amount at T1 but pays that amount at T2. If you want the cleanest conditioning after T1, which numeraire is natural and what ratio should be martingale?随机过程中等essay未尝试面试订阅3743Bond Option with Exercise at T and Delivery at UA bond option is exercised at time T and its value is naturally expressed in units of a U-maturity bond. Which numeraire is convenient and what ratio becomes martingale?随机过程中等essay未尝试面试订阅3744Caplet Settlement at the Floating-Leg DateA caplet payoff is paid on the same date as the floating rate accrual ends. Which numeraire is typically the cleanest and what ratio becomes martingale?随机过程中等essay未尝试面试订阅3745Swaption on a Fixed-for-Floating SwapA swaption payoff is naturally proportional to the swap annuity. Which numeraire is most convenient and what ratio becomes martingale?随机过程中等essay未尝试面试订阅