First they sent me the 80 math questions 8 min test. This was easy enough. Anybody with decent practice should be able to do it. Right after, they wanted to schedule an interview by HR. They postponed the interview not even last minute, 20 min after the original time. I took that interview on the following week, which was normal motivational interview. CV questions. I moved on to the round with a trader. Market questions, math problems, mental math, market making, options theory questions. Although I was right on every answer and considerably up by market making, I got declined w/o any feedback. This was surprising. All the people I talked to were nice but they are unexpectedly unprofessional.