I'm from a target school. What should I do to get prepared for Quant researcher @ top firms like HRT/JS? Any book/website recommendation like how LC is the holy grail for swes?
Be good at mental math https://www.mathtrainer.org (No log in/account required)
I think this site has a lot of puzzles that are sort of similar to JS questions, particularly the ones about probability: https://datagenetics.com/blog.html
Tbh at most target schools, your peers probably have more insight than blind. Try your school’s trading club. If you go to one of the target public schools ask the former interns.
May I DM you?