Stochastic Processes Interview Questions
Stochastic processes — random walks, Markov chains, and Brownian motion — are core to quant research. These questions build intuition for how systems evolve under randomness.
44 stochastic processes questions · 1 free to practise now.
- No Poisson arrival in a windowEasyProbabilityStochastic ProcessesView →
- Absorption probability on a lineMediumProbabilityStochastic Processes Premium
- Attributing a superposed Poisson eventMediumProbabilityStochastic Processes Premium
- Brownian motion propertiesMediumStochastic Processes Premium
- Coupon collector as a Markov chainMediumExpected ValueStochastic Processes Premium
- Dice game, up to three rollsMediumExpected ValueStochastic Processes Premium
- Dice payoff via WaldMediumExpected ValueStochastic Processes Premium
- Expected flips for HHTMediumExpected ValueStochastic Processes Premium
- Expected flips for HTMediumExpected ValueStochastic Processes Premium
- Expected profit under a fair betting ruleMediumExpected ValueStochastic Processes Premium
- Expected return time from stationary probabilityMediumStochastic Processes Premium
- First passage to ±1MediumStochastic Processes Premium
- Gambler's ruin (unfair)MediumProbabilityStochastic Processes Premium
- HT before HH in coin flipsMediumProbabilityStochastic Processes Premium
- Is W(t)³ a martingale?MediumStochastic Processes Premium
- Is the random walk squared a martingale?MediumExpected ValueStochastic Processes Premium
- Periodicity and limiting distributionMediumStochastic Processes Premium
- Poisson inter-arrivalsMediumProbabilityStochastic Processes Premium
- Renewal-reward fraction of time runningMediumExpected ValueStochastic Processes Premium
- Short-rate modelsMediumStochastic ProcessesFinance & Derivatives Premium
- Stationary distribution of a two-state chainMediumProbabilityStochastic Processes Premium
- Thinning a Poisson processMediumProbabilityStochastic Processes Premium
- A 12 before two 7sHardProbabilityStochastic Processes Premium
- Amoeba extinctionHardProbabilityStochastic Processes Premium
- Branching process extinction (critical)HardProbabilityStochastic Processes Premium
- Branching process extinction (supercritical)HardProbabilityStochastic Processes Premium
- Drunk man on a bridgeHardExpected ValueStochastic Processes Premium
- Ehrenfest urn stationary distributionHardProbabilityStochastic Processes Premium
- Expected duration of a fair walkHardExpected ValueStochastic Processes Premium
- Expected flips for HHHardRandom VariablesExpected Value Premium
- Expected flips for HHHHardExpected ValueStochastic Processes Premium
- Expected flips for HTHHardExpected ValueStochastic Processes Premium
- Expected visits before absorptionHardExpected ValueStochastic Processes Premium
- First passage of a drifting walkHardExpected ValueStochastic Processes Premium
- Four heads in a rowHardExpected ValueStochastic Processes Premium
- Gambler's ruinHardProbabilityStochastic Processes Premium
- Itô drift of W squaredHardCalculusStochastic Processes Premium
- Making change in lineHardCombinatoricsStochastic Processes Premium
- Optional stopping between +3 and −5HardExpected ValueStochastic Processes Premium
- Quadratic variation of Brownian motionHardCalculusStochastic Processes Premium
- Reflection principle for the maximumHardProbabilityStochastic Processes Premium
- Repainting balls to one colorHardExpected ValueStochastic Processes Premium
- Risk-neutral up probabilityHardStochastic ProcessesFinance & Derivatives Premium
- World Series bettingHardExpected ValueStochastic Processes Premium
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