Ace Your Next Investment Banking Interview
Think you're prepped from the Breaking Into Wall Street guides? Try these three questions.
All three were asked by elite boutiques in the 2026 cycle. Click through, reveal the answer, then test yourself against the follow-ups — because real interviews don't stop at one question.
Assume you are running a DCF and you can choose between accelerated depreciation and straight-line depreciation. Which would lead to a higher valuation and what assumptions are you making?
160+ Questions from 2026 Alone
Start For Free →What Makes IBTechPrep Different
Content not sufficient for elite boutiques & merchant banks (Allen & Co., LionTree, Qatalyst).
Videos too long/detailed for IB interview prep.
No follow-up feature and questions skew toward more standard bulge bracket interviews.
Follow-ups
Most platforms give you a single question and answer, then stop. But real banking interviews usually go further: interviewers push back, change assumptions, and test whether you truly understand the concept. That's why many of our questions include one, two, or even three follow-ups built in to mimic how real interviews actually work.
Niche Concepts
While we cover standard topics like and , for the first time in 2026, we noticed that interviews were also testing more complex topics. We have questions on , , , , and more — sometimes one question can be the difference between an offer and a rejection.
Sourced From the Street's Toughest Interviews
For a bulge bracket interview, other platforms like BIWS or Wall Street Prep might be sufficient. But for elite boutiques, merchant banks, and other independent advisors, the bar is higher. These firms ask the most nuanced technical questions on the Street — and that's exactly where we source our questions from.
Frequently Asked Questions
Learn more about what IBTechPrep has to offer or feel free to contact us at support@ibtechprep.com.