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Investment Banking Technical Interview Questions: A Practical Study Plan
The investment banking technical interview questions that appear most often, organized by category with a two-week drilling plan and scoring rubric.
Technical questions in investment banking interviews test one thing above everything else: whether you can explain finance clearly under pressure. This guide organizes the highest-frequency questions by category and gives you a two-week drilling plan to build both accuracy and speed.
Not financial advice. This article is career preparation guidance only.
Why technical questions matter more than most candidates expect
Behavioral performance often determines whether you get an offer, but technical weakness disqualifies you before behavioral quality is even evaluated. A strong "why investment banking" answer cannot save a candidate who cannot walk through a DCF without hesitation.
Interviewers use technical questions to test:
- Conceptual accuracy. Do you understand the mechanics, not just the definition?
- Verbal clarity. Can you explain it without jargon to someone who hasn't heard it before?
- Composure under pressure. What happens when they ask a follow-up you didn't anticipate?
- Intellectual honesty. Do you say "I'm not sure" when you're not sure, or do you bluff?
For the broader context of how technicals fit into the full interview process, see Investment Banking Interview Prep: The Superday AI Roadmap (2026).
Category 1: Accounting and the three financial statements
Answer-first: Accounting questions are the most frequently asked and the easiest to prepare. Every candidate should be able to answer all of them cleanly before any other technical prep begins.
Questions you will almost certainly be asked
Q: Walk me through the three financial statements.
The income statement shows revenue, expenses, and net income over a period. The balance sheet shows assets, liabilities, and equity at a point in time. The cash flow statement reconciles net income to actual cash movement through operating, investing, and financing activities.
The link: net income flows from the income statement into retained earnings on the balance sheet and into the operating section of the cash flow statement. Cash from the cash flow statement ties to the cash line on the balance sheet.
Q: How does a $10 increase in depreciation affect all three statements?
Income statement: depreciation is an expense, so pre-tax income falls by $10. At a 30% tax rate, taxes decrease by $3. Net income decreases by $7.
Balance sheet: PP&E decreases by $10. Retained earnings decreases by $7 (from reduced net income). Deferred tax liability increases by $3. The balance sheet stays balanced.
Cash flow statement: net income is down $7 (operating section), but depreciation is added back as a non-cash charge (+$10). Net cash from operations increases by $3. Cash on the balance sheet increases by $3.
This question appears in almost every first-round interview. Practice it until you can answer it out loud in 60 seconds without notes.
Q: How do you calculate free cash flow?
Unlevered free cash flow (used in DCF analysis) = EBIT × (1 – tax rate) + D&A – capex – change in net working capital.
Levered free cash flow = net income + D&A – capex – change in net working capital – debt repayment.
Q: What is the difference between EBITDA and operating cash flow?
EBITDA adds back depreciation and amortization to EBIT but does not account for changes in working capital, taxes paid in cash, or other operating items that affect actual cash generation. Operating cash flow (from the cash flow statement) captures all of those.
Q: Why can a profitable company run out of cash?
Revenue recognition timing (accrual accounting), inventory buildup, accounts receivable growth (customer payment delays), large capital expenditures, or debt repayments can drain cash even when net income is positive.
Accounting scoring rubric
| Score | Criteria |
|---|---|
| Strong | Correct mechanics, explained clearly without jargon, follow-up questions handled well |
| Adequate | Correct answer but slow, imprecise language, or reliance on the formula rather than intuition |
| Weak | Factual errors, circular definitions, inability to defend under one level of follow-up |
Accounting checklist:
- Three financial statement walk-through (under 90 seconds, out loud)
- $10 depreciation change through all three statements (clean)
- FCF calculation both unlevered and levered
- EBITDA vs. operating cash flow distinction
- Working capital definition and why it matters to cash flow
Category 2: Valuation methods
Answer-first: Valuation questions test whether you understand why methods are used, not just how to run them. Interviewers will ask follow-up questions about your assumptions.
Comparable companies analysis (trading comps)
Q: Walk me through a comparable companies analysis.
Identify a peer group of publicly traded companies with similar business models, size, geography, and growth profiles. Pull key financial metrics (revenue, EBITDA, net income). Calculate valuation multiples (EV/EBITDA, EV/Revenue, P/E). Apply the range of multiples to the target company's financials to derive an implied valuation range.
Q: Why would you use EV/EBITDA instead of P/E?
EV/EBITDA is capital structure-neutral—it compares enterprise value (debt plus equity minus cash) to earnings before financing costs. P/E is affected by leverage because interest expense reduces net income. If two companies have different capital structures, EV/EBITDA is a cleaner comparison.
Q: What is a control premium and why does it matter?
A control premium is the additional amount an acquirer pays above the current market price to gain control of a company. It typically ranges from 20–40% in M&A transactions. This is why precedent transaction multiples are generally higher than trading comps multiples—buyers pay for control.
DCF analysis
For a complete walk-through of DCF interview questions and common mistakes, see Walk Me Through a DCF in an Interview: Step-by-Step, With Common Mistakes.
Q: Walk me through a DCF at a high level.
Forecast the company's unlevered free cash flows over a projection period (typically 5–10 years). Calculate a terminal value representing all cash flows beyond the projection period (using either the Gordon Growth Model or an exit multiple). Discount both the projected FCFs and the terminal value back to the present using WACC. Sum the results to get enterprise value. Subtract net debt to get equity value. Divide by diluted shares outstanding for equity value per share.
Q: What discount rate do you use in a DCF and why?
WACC—the weighted average cost of capital—reflects the blended required return across all capital providers (equity holders and debt holders). It is weighted by the relative proportions of equity and debt in the capital structure. Using WACC ensures you discount cash flows at the rate that reflects the risk borne by all capital providers.
Q: What drives WACC?
The cost of equity (typically estimated using CAPM: risk-free rate + beta × equity risk premium), the cost of debt (yield on the company's debt, tax-adjusted because interest is deductible), the capital structure weights, and the tax rate.
Q: Why is the terminal value so important in a DCF?
In most DCF models, the terminal value represents 60–80% of total enterprise value. This means small changes in terminal growth rate or exit multiple have a disproportionately large effect on the output—which is also why DCF valuations are sensitive to assumptions and why analysts always show sensitivity tables.
Valuation checklist:
- Trading comps walk-through, end to end
- Precedent transactions vs. comps—why multiples differ (control premium)
- DCF walk-through: FCF → terminal value → WACC → equity value bridge
- WACC components and calculation logic
- Why terminal value dominates DCF output
Category 3: M&A and deal mechanics
Answer-first: M&A questions test your understanding of deal rationale, deal structure, and financial impact. The accretion/dilution question is the most frequently asked M&A technical.
Q: When is an acquisition accretive vs. dilutive?
An acquisition is accretive when the acquirer's earnings per share (EPS) increases after the deal closes. It is dilutive when EPS decreases.
The key driver: compare the earnings yield of the target (target EPS / acquisition price per share) to the acquirer's cost of financing the deal. If the acquisition is paid in cash funded by debt, compare the earnings yield to the after-tax cost of debt. If paid in stock, compare the target's earnings yield to the acquirer's own P/E multiple (or its earnings yield). If the target's yield is higher than the cost of financing, the deal is accretive.
Q: What are synergies and how are they categorized?
Synergies are incremental value created by combining two companies that would not exist independently.
- Revenue synergies: cross-selling to combined customer bases, expanded product offerings, increased pricing power.
- Cost synergies: elimination of duplicate functions (HR, finance, IT), facility consolidation, procurement efficiencies.
Cost synergies are more predictable and therefore more credible to investors. Revenue synergies are harder to realize and are often discounted in deal modeling.
Q: What is the difference between an asset sale and a stock sale?
In a stock sale, the buyer purchases the seller's equity—acquiring all assets and liabilities, including contingent or unknown liabilities. In an asset sale, the buyer selects which assets and liabilities to acquire, avoiding unwanted liabilities. Sellers typically prefer stock sales (capital gains treatment, clean exit). Buyers typically prefer asset sales (step-up in asset basis, liability selectivity). The tax treatment differs significantly between structures.
M&A checklist:
- Accretion/dilution logic explained without a calculator
- Revenue vs. cost synergies distinction
- Asset sale vs. stock sale (who prefers which and why)
- Deal consideration types: cash, stock, mixed
Category 4: LBO mechanics
Answer-first: LBO questions test whether you understand how leverage amplifies equity returns and what makes a business a suitable acquisition target for a private equity firm.
Q: What is an LBO?
A leveraged buyout is an acquisition financed primarily with debt, with equity from a financial sponsor (private equity firm) making up the remainder of the purchase price. The acquired company's cash flows service the debt. The sponsor's return comes from a combination of debt paydown, EBITDA growth, and multiple expansion over a 3–7 year hold period.
Q: What makes an ideal LBO candidate?
- Stable, predictable cash flows to service debt reliably.
- Strong free cash flow conversion (high EBITDA-to-FCF ratio, low capex intensity).
- Defensible market position with pricing power.
- Opportunities for operational improvement that can increase EBITDA.
- Multiple expansion potential or a clear exit path (strategic buyer, IPO).
- Tangible asset base that can serve as debt collateral if needed.
Q: How does leverage affect equity returns in an LBO?
Leverage amplifies equity returns because the sponsor puts in a small amount of equity to control a much larger asset. If the company's enterprise value increases from $100 to $120 (20% total return) and the sponsor's equity was only $30 of the $100 (with $70 in debt), the equity return is not 20%—it's much higher, because the debt principal stays roughly constant and the equity captures most of the value increase.
The trade-off: leverage also amplifies downside. If enterprise value falls, equity value falls proportionally more, and debt covenants may force restructuring.
Q: How do you calculate IRR in an LBO?
IRR is the discount rate at which the present value of cash flows equals the initial investment. In an LBO, the primary cash flow is the equity return at exit. A rough rule of thumb: doubling your money in 5 years is approximately a 15% IRR; doubling in 3 years is approximately a 26% IRR; tripling in 5 years is approximately a 25% IRR.
LBO checklist:
- LBO definition and structure explained clearly
- Three to five characteristics of an ideal LBO candidate
- How leverage amplifies equity returns (and risks)
- IRR rough math (2x in 5 years ≈ 15% IRR)
Two-week technical drilling plan
Use this schedule as a baseline. Adjust based on which categories are weakest after your first full mock.
Week 1: Category mastery
| Day | Focus | Target |
|---|---|---|
| Monday | Accounting: statements + linkage | All 5 accounting questions answered clean out loud |
| Tuesday | Accounting: FCF, working capital, adjustments | Follow-up questions handled without looking at notes |
| Wednesday | Valuation: trading comps + precedent transactions | Walk-through under 90 seconds each |
| Thursday | Valuation: DCF mechanics | Full walk-through + WACC components |
| Friday | M&A mechanics | Accretion/dilution explained without calculator |
| Saturday | LBO mechanics | Ideal LBO candidate + returns math |
| Sunday | Mixed review: random category, out loud | 30-minute timed session |
Week 2: Speed + integration
| Day | Focus | Target |
|---|---|---|
| Monday | Identified weak category from week 1 | Same standards as week 1 |
| Tuesday | Identified weak category from week 1 | Same standards |
| Wednesday | Full technical mock (30 min, all categories) | Check delivery, not just accuracy |
| Thursday | Second full technical mock | Incorporate week 2 feedback |
| Friday | Behavioral prep integration (see Investment Banking Behavioral Questions: Frameworks That Don't Sound Generic) | – |
| Saturday | Mixed mock: 15 min technical + 15 min behavioral | Back-to-back practice |
| Sunday | Superday simulation or rest | See The Superday: What Happens and How to Prepare in 7 Days |
How to review your own technical answers
After each practice session, review each answer across four dimensions:
- Accuracy (0–3): Was the core answer factually correct?
- Clarity (0–3): Could a smart non-finance person follow your explanation?
- Speed (0–2): Did you answer in 60–90 seconds without prompting?
- Follow-up depth (0–2): Could you answer one reasonable follow-up without hesitation?
Maximum score: 10 per question. Flag any question below 7 for repeated drilling.