Pro Tips

Investment Banking Technical Interview Questions: What They're Really Testing

Most candidates prepare for the interview questions. Almost nobody prepares for what comes after.

You explain that a DCF discounts projected cash flows back to present value. 

Correct. 

Then the interviewer asks which assumption would move your valuation most, and that's the question actually being scored.

The first question tests whether you've studied. The follow-ups test whether you actually understand what you studied.

That's an increasingly important distinction. Goldman Sachs global head of human capital management Jacqueline Arthur told Fortune in 2026 that technical capabilities can be developed, while qualities like judgment, adaptability, and critical thinking are harder to instill. As technical fluency becomes more common, she said, “Judgment, context, and the ability to think critically have become even more important.”

This guide is built around that idea. 

We'll cover the technical questions that form the foundation of most investment banking interviews, the follow-up questions interviewers use to go deeper, what each one is actually testing, and the mistakes that expose memorized knowledge.


Tired of digging through notes for formulas? We put the key ones on one page. Grab the free Investment Banking Interview Cheat Sheet.

What technical questions do investment banking interviews ask?

Nearly all questions fall into three categories: valuation, accounting and ratios, and M&A concepts.

Category

What it covers

Where it shows up

Valuation

The three methods, how they compare, and the DCF in depth

Every round, and the heaviest weighting by far

Accounting & ratios

Reading the three statements; liquidity, profitability, leverage

First and second rounds

M&A concepts

Accretion/dilution, synergies, buyer types, control premium

Later rounds, and groups doing deal work

The pattern across rounds matters as much as the content. First rounds test recall, while later rounds ask the same questions and then keep going.


Technicals are one of five areas you're scored on — our full investment banking interview prep guide covers the other four, from behavioral answers to firm research to the day-before checks.


What are the three valuation methods, and when is each used?

Comparable companies, precedent transactions, and a discounted cash flow (DCF). Each of these answers a different question, which is why they rarely agree.

Method

What it measures

What they push on

Comparable companies (Comps)

What the market pays today for similar public businesses

"What would you use if EBITDA is negative?"

Precedent transactions

What acquirers actually paid for similar businesses in completed deals

"Why do these run higher than trading comps?"

Discounted cash flow (DCF)

What the business is worth on its own projected cash flows

"Which assumption moves your valuation most?"

Comps carry whatever the market is currently getting wrong. Precedents carry one buyer's circumstances, including the premium they paid for control. A DCF carries your assumptions and nothing else. 

That's why bankers present a range rather than a number. If you're asked which method is most reliable, the strongest answer is that none of them is.

Which financial ratios come up in IB interviews?

Liquidity, profitability, and solvency ratios — and the question is always what the number implies, never what it equals.

Ratio

What it tells you

What they push on

Current & quick ratio

Whether near-term obligations can actually be met

Why inventory gets stripped out of the quick ratio

ROE and ROA

Return to shareholders versus return on the whole asset base

What high ROE alongside low ROA reveals

Debt/equity, interest coverage

How much leverage, and whether it can be serviced

What counts as concerning, and why it depends on the industry

Net working capital

How much cash is tied up running the business

What an increase does to free cash flow

The ROE and ROA pairing is the one that catches people quite often. High ROE with low ROA means heavy leverage; debt shrinks the equity base without shrinking assets, so it inflates one number while leaving the other honest.

Interest coverage is the other trap. There's no universal threshold, and naming one is the wrong answer. A utility with contracted revenue safely carries far thinner coverage than a cyclical industrial.

What M&A questions should you expect?

Accretion and dilution first, then synergies, buyer types, and control premium.

Concept

What is it

What they push on

Accretion/dilution

Whether a deal raises or lowers the acquirer's earnings per share

Calling it in an all-stock deal without running numbers

Revenue vs. cost synergies

New revenue from the combination versus duplication removed

Which of the two acquirers actually underwrite

Financial vs. strategic buyers

Private equity returns versus an operating company's synergies

Who can pay more, and why

Control premium

What a buyer pays for the right to direct the business

Why precedent multiples run higher — usually as a callback

Notice that the last row answers the second row of the valuation table. That's deliberate on the interviewer's part. Questions thirty minutes apart are often the same question, and closing the loop unprompted is very common in a technical round.

How competitive is investment banking recruiting right now?

Acceptance rates are under 1% at the bulge brackets, and it has tightened every year.

  • Goldman Sachs accepted under 1% of intern applicants for the third consecutive year — 315,126 applications at 0.9% in 2024, then more than 360,000 at 0.7% in 2025.

  • JPMorgan's rate fell to 0.7% in 2025, down from 2.8% two years earlier — roughly 630,000 applications for about 4,100 roles.

  • A decade ago, Goldman's acceptance rate was closer to 5%.


One number runs counter to the usual story. Goldman's incoming class came from more than 500 universities. The gate is real, but it has less to do with where you go and more to do with whether you started early enough, which is mostly a timing problem.


To stay ahead, visit our recruiting timeline, complete with detailed predictions, application trends, and updated timelines.


How should you practice technical interview questions?

Practice out loud, against someone who pushes back! Rereading your notes builds recognition, not recall under pressure.

  • Reason first, formula second. Explain why a metric is built the way it is, then rebuild it.

  • Say it out loud. Answers that feel solid in your head come apart when you narrate them in real time. Find that out when practicing, not in an interview.

  • Get pushed back on. "Are you sure?" after a correct answer is the hardest thing to simulate by yourself, and it's exactly what a later round does.

That is why mock interviews with someone who's sat on the other side of the table often move candidates faster than another week of practice and review.

Get the cheat sheet

Every formula behind the concepts above — valuation, ratios, and M&A — on one page you can reference over and over.

Download Your Free Investment Banking Interview Cheat Sheet.

If you want to know how your answers actually hold up when someone pushes back, book a free consultation with one of our Wall Street insiders! 



Most candidates prepare for the interview questions. Almost nobody prepares for what comes after.

You explain that a DCF discounts projected cash flows back to present value. 

Correct. 

Then the interviewer asks which assumption would move your valuation most, and that's the question actually being scored.

The first question tests whether you've studied. The follow-ups test whether you actually understand what you studied.

That's an increasingly important distinction. Goldman Sachs global head of human capital management Jacqueline Arthur told Fortune in 2026 that technical capabilities can be developed, while qualities like judgment, adaptability, and critical thinking are harder to instill. As technical fluency becomes more common, she said, “Judgment, context, and the ability to think critically have become even more important.”

This guide is built around that idea. 

We'll cover the technical questions that form the foundation of most investment banking interviews, the follow-up questions interviewers use to go deeper, what each one is actually testing, and the mistakes that expose memorized knowledge.


Tired of digging through notes for formulas? We put the key ones on one page. Grab the free Investment Banking Interview Cheat Sheet.

What technical questions do investment banking interviews ask?

Nearly all questions fall into three categories: valuation, accounting and ratios, and M&A concepts.

Category

What it covers

Where it shows up

Valuation

The three methods, how they compare, and the DCF in depth

Every round, and the heaviest weighting by far

Accounting & ratios

Reading the three statements; liquidity, profitability, leverage

First and second rounds

M&A concepts

Accretion/dilution, synergies, buyer types, control premium

Later rounds, and groups doing deal work

The pattern across rounds matters as much as the content. First rounds test recall, while later rounds ask the same questions and then keep going.


Technicals are one of five areas you're scored on — our full investment banking interview prep guide covers the other four, from behavioral answers to firm research to the day-before checks.


What are the three valuation methods, and when is each used?

Comparable companies, precedent transactions, and a discounted cash flow (DCF). Each of these answers a different question, which is why they rarely agree.

Method

What it measures

What they push on

Comparable companies (Comps)

What the market pays today for similar public businesses

"What would you use if EBITDA is negative?"

Precedent transactions

What acquirers actually paid for similar businesses in completed deals

"Why do these run higher than trading comps?"

Discounted cash flow (DCF)

What the business is worth on its own projected cash flows

"Which assumption moves your valuation most?"

Comps carry whatever the market is currently getting wrong. Precedents carry one buyer's circumstances, including the premium they paid for control. A DCF carries your assumptions and nothing else. 

That's why bankers present a range rather than a number. If you're asked which method is most reliable, the strongest answer is that none of them is.

Which financial ratios come up in IB interviews?

Liquidity, profitability, and solvency ratios — and the question is always what the number implies, never what it equals.

Ratio

What it tells you

What they push on

Current & quick ratio

Whether near-term obligations can actually be met

Why inventory gets stripped out of the quick ratio

ROE and ROA

Return to shareholders versus return on the whole asset base

What high ROE alongside low ROA reveals

Debt/equity, interest coverage

How much leverage, and whether it can be serviced

What counts as concerning, and why it depends on the industry

Net working capital

How much cash is tied up running the business

What an increase does to free cash flow

The ROE and ROA pairing is the one that catches people quite often. High ROE with low ROA means heavy leverage; debt shrinks the equity base without shrinking assets, so it inflates one number while leaving the other honest.

Interest coverage is the other trap. There's no universal threshold, and naming one is the wrong answer. A utility with contracted revenue safely carries far thinner coverage than a cyclical industrial.

What M&A questions should you expect?

Accretion and dilution first, then synergies, buyer types, and control premium.

Concept

What is it

What they push on

Accretion/dilution

Whether a deal raises or lowers the acquirer's earnings per share

Calling it in an all-stock deal without running numbers

Revenue vs. cost synergies

New revenue from the combination versus duplication removed

Which of the two acquirers actually underwrite

Financial vs. strategic buyers

Private equity returns versus an operating company's synergies

Who can pay more, and why

Control premium

What a buyer pays for the right to direct the business

Why precedent multiples run higher — usually as a callback

Notice that the last row answers the second row of the valuation table. That's deliberate on the interviewer's part. Questions thirty minutes apart are often the same question, and closing the loop unprompted is very common in a technical round.

How competitive is investment banking recruiting right now?

Acceptance rates are under 1% at the bulge brackets, and it has tightened every year.

  • Goldman Sachs accepted under 1% of intern applicants for the third consecutive year — 315,126 applications at 0.9% in 2024, then more than 360,000 at 0.7% in 2025.

  • JPMorgan's rate fell to 0.7% in 2025, down from 2.8% two years earlier — roughly 630,000 applications for about 4,100 roles.

  • A decade ago, Goldman's acceptance rate was closer to 5%.


One number runs counter to the usual story. Goldman's incoming class came from more than 500 universities. The gate is real, but it has less to do with where you go and more to do with whether you started early enough, which is mostly a timing problem.


To stay ahead, visit our recruiting timeline, complete with detailed predictions, application trends, and updated timelines.


How should you practice technical interview questions?

Practice out loud, against someone who pushes back! Rereading your notes builds recognition, not recall under pressure.

  • Reason first, formula second. Explain why a metric is built the way it is, then rebuild it.

  • Say it out loud. Answers that feel solid in your head come apart when you narrate them in real time. Find that out when practicing, not in an interview.

  • Get pushed back on. "Are you sure?" after a correct answer is the hardest thing to simulate by yourself, and it's exactly what a later round does.

That is why mock interviews with someone who's sat on the other side of the table often move candidates faster than another week of practice and review.

Get the cheat sheet

Every formula behind the concepts above — valuation, ratios, and M&A — on one page you can reference over and over.

Download Your Free Investment Banking Interview Cheat Sheet.

If you want to know how your answers actually hold up when someone pushes back, book a free consultation with one of our Wall Street insiders!