What are you looking to do exactly? I studied statistics, stochastic calculus etc... and most of my friends are PhDs in mathematics. I could recommend a thous

What are you looking to do exactly? I studied statistics, stochastic calculus etc... and most of my friends are PhDs in mathematics. I could recommend a thousand books, but are you sure that's what you want? To be honest today you have ChatGPT, and some nice medium posts with real life applications that could be more valuable. If I was you I would: 1) ask chatGPT or use the internet to find concrete examples of what are time series and how to use them, 2) get some real life data (like stocks or crypto - financial data is good for practise) 3) learn how to use Python existing packages amongside the data to predict / process / recognize sequential time series. 4) Try to make money with it - unless you aim to be a professor - which is honorable too.