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<summer program project phase>

Vanguard Challenge

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Quantum for Finance

Vanguard is an investment-management company known for low-cost index funds and investor-first principles. This challenge explores how quantum and hybrid quantum-classical optimization methods may be applied to complex finance and operations problems.

Teams may choose one of two use cases or optionally address both:

  1. Multi-Asset Portfolio Construction

  2. Call Center Staffing Optimization

Option 1: Multi-Asset Portfolio Construction

The Problem

Build a model that allocates capital across multiple asset classes while balancing:

  • Expected return

  • Risk

  • Transaction costs

  • Diversification

  • Liquidity

  • Sector or exposure limits

  • Investment guardrails

The objective is to recommend an allocation that improves expected utility while remaining within defined constraints.

Key Project Tasks

Teams should:

  1. Define the mathematical formulation using binary variables, linear constraints, and quadratic objectives.

  2. Convert the cost function into a form compatible with a quantum optimization algorithm.

  3. Use synthetic or anonymized data covering returns, volatility, correlation, and costs.

  4. Build a classical mean-variance baseline.

  5. Add realistic constraints and scenario penalties.

  6. Compare risk, expected return, turnover, guardrail breaches, and explainability.

  7. Validate the solution using a classical optimization routine.

  8. Build a portfolio co-pilot that explains the recommended allocation and its trade-offs.


The strongest solution will produce a high-quality risk-adjusted result with no hard-constraint breaches.

Option 2: Call Center Staffing Optimization

The Problem

Develop a staffing model that matches forecasted demand with the right mix of agents while minimizing:

  • Customer wait time

  • Idle time

  • Overtime

  • Schedule friction

  • Total staffing cost

The model should account for skills, channels, shifts, breaks, availability, and service-level agreements.

Key Project Tasks

Teams should:

  1. Define the optimization problem mathematically.

  2. Convert it into a form suitable for a quantum optimization algorithm.

  3. Generate synthetic call-arrival data by time, queue, and channel.

  4. Forecast demand and optimize staffing.

  5. Simulate queue outcomes.

  6. Report average speed of answer, abandonment, SLA attainment, and utilization.

  7. Allow a manager to adjust priorities such as cost, service, employee preference, and resilience.

  8. Validate the results using a classical optimizer.

  9. Build a workforce-planning interface that identifies understaffed intervals and explains trade-offs.

The strongest solution will meet the service-level target while minimizing staffing and overtime cost.

Required Deliverables

Your final GitHub repository should include:

  • Mathematical formulation

  • Source code

  • Classical baseline

  • Quantum or hybrid implementation

  • Assumptions and constraints

  • Results and benchmarking

  • A cleanly formatted presentation

  • A working prototype or demonstration

  • Clear documentation of each team member’s contribution

Platforms & Tools

Teams may use:

  • Any quantum SDK

  • Any quantum platform

  • Quantum hardware

  • Quantum simulators

  • Noise-model simulations

  • Classical optimization libraries

Judging Criteria

Solutions will be evaluated based on:

  • Solution speed

  • Optimality according to the cost function

  • Scalability

  • Constraint satisfaction

  • Interpretability

  • Technical and business communication

  • Quality of the GitHub repository and presentation

Data & Privacy Requirements

Use only synthetic, anonymized, or challenge-approved datasets.

Do not publish:

  • Raw Vanguard operational data

  • Confidential business information

  • Restricted datasets

  • Personally identifiable information

Any use of AI or coding assistants must be disclosed, and teams must be able to explain and defend all submitted work.

Team & Deadline

  • Maximum team size: 3 participants

  • Final submission deadline: August 7, 2026

  • No deadline extensions will be offered.

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