"Stochastic Calculus for Quants: Questions and Answers" is a comprehensive guide designed for aspiring and experienced quantitative analysts, offering an in-depth understanding of the key concepts and applications of stochastic calculus in the field of quantitative finance. This book is a valuable resource for anyone preparing for interviews, seeking to enhance their knowledge, or looking to excel in the quantitative finance industry.

The book is organized into five main sections, ranging from basic to guru levels, addressing various stochastic calculus concepts and their relevance to quantitative finance. The author explains foundational concepts such as stochastic processes, Brownian motion, random walks, Ito's lemma, and martingales, providing clear definitions and real-life financial examples.

Intermediate topics include European and American option pricing, the Black-Scholes-Merton model, Greeks in options trading, jump diffusion models, path dependency, stochastic volatility models, and mean reversion. The book also delves into advanced subjects like the Longstaff-Schwartz algorithm, local volatility, SABR model, LIBOR Market Model, copulas, principal component analysis, and the Heath-Jarrow-Morton framework.

The expert section covers cutting-edge topics such as rough volatility, the Bergomi model, stochastic optimal control, affine processes, the multiple curve framework, large deviations theory, dynamic programming, and stochastic PDEs. Finally, the guru section explores the rough Bergomi model, signature-based methods, large-scale optimization, stochastic portfolio theory, functional Ito calculus, and stochastic optimal transport methods.

"Stochastic Calculus for Quants: Questions and Answers" is a must-read for anyone seeking a deep understanding of stochastic calculus and its applications in the world of quantitative finance. With its progressive structure, practical examples, and extensive coverage of essential topics, this book will undoubtedly become an indispensable resource for professionals, academics, and students alike.