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Wall Street Prep

The Investment Banking Interview Guide
(The Red Book)

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The Investment Banking Interview Guide
(The Red Book)

  • 2021 Edition, PDF Format
  • 275+ Pages
  • 1,000 Questions

The Red Book is now available in digital (PDF) format. 1,000 investment banking interview questions & answers. Updated for 2021. Includes technical, behavioral and industry specific questions. Brought to you by the company that works directly with the world’s top investment banks and PE firms.

You've landed an investment banking interview. Now what?

The Red Book includes 1,000 REAL Investment Banking interview questions and answers as well as the strategies and in-depth technical training you need to show interviewers you have what it takes to succeed on the job.



  • Financial Statements & Accrual Concepts
  • Financial Statement Analysis
  • Advanced Accounting


  • Corporate Finance Theory
  • DCF Analysis
  • Multiples/Comps Analysis

Mergers & Acquisitions

  • M&A Concepts
  • M&A Deals
  • M&A Modeling

LBO/Private Equity

  • Private Equity Investing
  • LBO Modeling
  • LBO Modeling Tests

Capital Markets

  • Debt & Leveraged Finance
  • Hedge Funds
  • Sales & Trading

Industry Specific

  • Tech, Media & SaaS
  • FIG Groups
  • Restructuring

Behavioral Questions

  • Personal Background
  • Firm-Specific Questions
  • Past Experiences

Interview Strategies

  • How to Answer When You're Unsure
  • Keeping Answers Concise
  • Avoiding Tangents

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The Red Book is used by career centers and finance clubs at ...

Specially priced for students at $49, The Red Book is incredibly comprehensive and frequently updated. Competing interview guides are typically priced around $200 and offer less material with out-of-date questions.

A Comprehensive Interview Guide by
Wall Street's Most Sought-After Trainers

Real questions, continually updated.

Our huge list of "must-know" interview questions is continuously updated with real questions from real interviews.

Written by professionals who have been there.

Unlike other interview guides, the Red Book has been compiled by former practitioners who train at top financial institutions and business schools. This guide was built with input from our clients — the world's top financial institutions and business schools — to ensure each question reflects what interviewees should expect to face and the level of detail interviewers want to hear.

Compiled by Wall Street Prep's 50+ Faculty Members

The Red Book draws from the experience of our team of over 50 faculty members, all former practitioners in Investment Banking, Private Equity, Sales and Trading and other buy-side firms. All come from unique industry and product backgrounds and their industry knowledge makes this guide truly unique in its depth and breadth.

Upgrade: Access "Deep Dive" Interview Guide Video Lessons

The Investment Banking Interview Guide (The Red Book) includes links to supplementary videos and extra reading material that let you dive deeper into more complicated topics. Add the Premium Video Upgrade below:

Video Samples

Introduction to valuation
Calculating unlevered free cash flow
Accretion/dillution exercise
Book vs. tax differences in M&A
Introduction to leveraged buyouts

The Wall Street Prep Quicklesson Series

7 Free Financial Modeling Lessons

Get instant access to video lessons taught by experienced investment bankers. Learn financial statement modeling, DCF, M&A, LBO, Comps and Excel shortcuts.