P
ProHub
English 简体中文 繁體中文
Hard Profitability

BankCo

#Fin. Services #Financial Services
ProHub Comment

This case tests profitability analysis and strategic decision-making under constraints. The candidate must build a financial model to compare account-level economics, scale to market size, and ultimately recommend which product to launch first based on lifetime profit generation and market dynamics. Strong candidates will identify the tension between profit maximization (checking) and the client's stated objective of lowering cost of funds (suggesting savings accounts with higher deposits).

Estimated Time 36 minutes
Difficulty Hard
Source NYU
20 / 100

Our client is BankCoCard, a US credit card subsidiary of the major international bank BankCo. They have a rapidly growing $16 billion dollar credit card portfolio. BankCoCard is interested in lowering their cost of funds for their credit card program by starting an online bank.

BankCoCard would like to know if they should start an online bank and if so, should they launch a savings or a checking account for their new online bank.

Clarifying Information

  1. BankCoCard wants to launch both a savings and checking account, but their budget only allows for the IT team to build one product this year
  2. Whichever product is not selected will be launched the following year
  3. The savings and checking accounts are expected to take the same time to build and will cost the same amount to build: $10 million
  4. The current cost of funds is 4% for the credit card portfolio
  5. Interest rates are not expected to change for the next several years
  6. Assume all deposits can be lent, no reserves are required
  7. The online bank will only operate within the US
Mock Interview
Interviewer

Our client is BankCoCard, a US credit card subsidiary of the major international bank BankCo. They have a rapidly growing $16 billion dollar credit card portfolio. BankCoCard is interested in lowering their cost of funds for their credit card program by starting an online bank. BankCoCard would like to know if they should start an online bank and if so, should they launch a savings or a checking account for their new online bank.

You

Thanks. Before analyzing, I'd like to clarify a few key questions...

Interviewer

Good question. Let me provide some background information...

You

Based on this, I suggest analyzing from these dimensions...

AI Score
Structure Analysis Communication Business Sense Quantitative
Practicing...
Score coming soon
Practice this case with AI Mock Interview

BankCoCard seeks to launch an online bank to reduce credit card funding costs. Faced with IT budget constraints allowing only one product launch per year, the candidate must determine whether to prioritize a checking or savings account. Analysis shows checking accounts generate $280 lifetime profit vs. $110 for savings, leading to $420M vs. $220M total year-one profit (at 10% market capture). However, the bonus insight reveals that savings accounts would generate $10B in deposits versus $3B for checking, better aligning with the original cost-of-funds objective.

Key Insights:

  1. Carefully identify the client’s primary objective (lower cost of funds) versus secondary metrics (profitability) — they may diverge
  2. Strong financial modeling requires understanding both per-unit economics and market-level scaling effects
  3. Market growth rates (CAGR of 20% for checking vs. 10% for savings) provide important strategic context beyond static profitability
  4. Sequencing decisions matter: launching checking first generates higher near-term profits but may foreclose higher strategic value from savings accounts
  5. Advanced candidates challenge assumptions and reconcile apparent conflicts between profitability metrics and business objectives