Investment banks
Tech and strats interviews at the bulge brackets run their own way: online assessments, Superdays, and comp that works differently than big tech. One guide per bank.
Quant funds, HFT and prop trading
Interview guides for the quant, HFT, and prop-trading firms — Jane Street, Citadel, Two Sigma, HRT, Optiver and more. Mental math, probability, trading games, and low-latency systems.