"How Does a Bank Make Money?" — Citi Interview Answer
"How does a bank make money?" sounds like a warm-up question in Citi interviews for the 2027 intake, but it is a trap for shallow answers. If you searched for "how does a bank make money interview", here is the answer that shows you actually understand the business — structured the way Citi interviewers want to hear it.
How Does a Bank Make Money Interview Questions: The Short Answer
Banks make money in three main ways: net interest income (the spread between what they pay depositors and what they charge borrowers), fee income (advisory, underwriting, trading, and asset management fees), and trading revenue (market making and proprietary positioning). For a universal bank like Citi, all three matter — and interviewers want you to connect each one to Citi's actual business lines.
How Does a Bank Make Money Interview Questions: The Full Citi Answer
Structure your answer around Citi's divisions:
- Net interest income — Citi's consumer and commercial banking arms earn the spread between deposit rates and loan rates. When rates rise, this spread typically widens, which is why bank earnings are rate-sensitive.
- Fees — Investment banking advisory and underwriting fees, plus wealth management and transaction services fees. These are less rate-sensitive and prized for their stability.
- Markets revenue — The trading division earns bid-ask spreads as a market maker in fixed income, currencies, and equities. Citi's markets franchise is one of its largest revenue engines.
Close with the insight interviewers are waiting for: the mix matters. A bank over-reliant on net interest income is hostage to the rate cycle; diversified fee and markets income is what makes earnings resilient.
FAQ
Is this question asked at Citi Superday too? Yes — often as an opener before harder technicals. A sharp answer here sets the tone.
Should I mention specific Citi divisions? Absolutely. Naming the institutional clients group, personal banking, and markets shows you researched the actual bank.
How long should the answer be? About 60 to 90 seconds. Three revenue streams, one line each, plus the closing insight.
What is the most common mistake? Saying "banks lend money and charge interest" and stopping there. That answer describes a piggy bank, not Citi.
This question exposes preparation instantly. The candidate who lists one revenue stream sounds like they read a headline; the candidate who walks through all three and ties them to Citi's divisions sounds like they belong there. It takes twenty minutes to learn and it is asked in nearly every Citi interview cycle.
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