Quant interview preparation
Crack the quant interview.

500+ structured practice problems across probability, stochastic calculus, options pricing, and algorithmic reasoning — designed around how quant interviews actually work.

500+ problems
5 learning pathways
Instant feedback
Thinking system
Learn pattern recognition, then pressure-test it.
Observe
Pattern map
Model
Reasoning path
Execute
Timed response
Mock Interview — Options Pricing
2:47
HardOptions

European call: K=100, S=105, σ=0.2, T=1yr, r=0.05. Find the Black-Scholes delta.

12
Attempted
83%
Accuracy
+240
XP Earned
ProbabilityStochastic CalculusOptions PricingCombinatoricsDecision TheoryAlgorithmsLinear AlgebraStatistical InferenceMonte CarloRisk ModelsProbabilityStochastic CalculusOptions PricingCombinatoricsDecision TheoryAlgorithmsLinear AlgebraStatistical InferenceMonte CarloRisk Models
0+
Practice Problems
0
Learning Pathways
0+
Guided Lessons
0
Skill Dimensions
Training methodology

Four stages, concept to confidence

A structured sequence that builds from pattern recognition through to timed practice and measurable feedback — not just a problem bank.

01

Pattern recognition

Work through structured modules that map the core question patterns across probability, stochastic calculus, and reasoning. Each module isolates a specific concept before connecting it to others.

02

Structured reasoning

Practice applying problem-solving frameworks to fully worked examples before tackling live questions. Every solution walks through the complete reasoning path — not just the answer.

03

Timed practice

Build speed and composure under mock-interview conditions. Sessions record accuracy, time-per-problem, and topic performance so your weak areas become visible.

04

Analytics feedback

After each session, review per-topic accuracy trends, difficulty-adjusted performance, and skill gaps. The platform shows you exactly where to direct your next practice block.

Platform

Everything in one place

Structured around the full preparation arc — from first study session to live interview readiness.

Guided Learning Pathways

Five structured curricula across probability, stochastic calculus, options pricing, and algorithmic thinking — sequenced for progressive mastery.

Adaptive Practice Engine

500+ interview-style problems with intelligent difficulty progression. Every answer includes a full step-by-step solution breakdown.

Mock Interview Simulator

Timed sessions that mirror the pressure and format of a live quant interview. Track speed, accuracy, and weak areas per session.

Performance Analytics

Skill heatmaps, per-topic accuracy trends, time-per-problem data, and gap analysis across all four core skill dimensions.

XP & Progression System

XP, levels, daily streaks, and achievement milestones build consistency. A global leaderboard benchmarks your standing.

Recruiter Assessment Portal

Assign structured assessments to candidate cohorts, compare skill breakdowns across dimensions, and export reports.

What Quortex develops

The four dimensions of quant performance

Every problem, lesson, and mock session maps to one or more of these skill areas — so your progress is always visible and directed.

Probabilistic reasoning

BayesEVdistributionsBrownian motion

Covering probability theory, conditional reasoning, stochastic processes, and Itô calculus — the mathematical core of every quant interview.

Covered in:Quant ThinkingQuant Math

Derivatives & pricing

Black-ScholesGreeksvol surfaceput-call parity

Options pricing models, the Greeks, dynamic hedging, and volatility modeling — everything tested at trading and structuring desks.

Covered in:Financial Modeling

Algorithmic reasoning

DPgraphsorder bookscomplexity

Data structures, dynamic programming, graph algorithms, and finance-specific patterns like rolling windows and order book design.

Covered in:CS Fundamentals

Lateral & combinatorial

countingFermiweighinglogic

Brainteaser archetypes, estimation frameworks, combinatorics, and the structured verbal reasoning that props firms test in every first round.

Covered in:Brainteasers
For teams & recruiters

Assess candidates
on real quant skills

Assign structured problem sets to candidate cohorts and compare skill profiles across probability, stochastic calculus, and algorithmic reasoning — all from one dashboard.

Per-candidate skill breakdowns across all four dimensions
Custom assessment builder and cohort management
Exportable candidate reports
SSO and team billing available
Candidate Assessment — Engineering Cohort
A
Candidate A
Prob
Stoch
Algos
91%
B
Candidate B
Prob
Stoch
Algos
88%
C
Candidate C
Prob
Stoch
Algos
79%
Start free · No card required

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Start here, show up ready. Build the skills that quant interviews actually test.