An inside look at what it really takes to become a better trader. A proprietary trading firm consists of a group of professionals who trade the capital of the firm. Their income and livelihood is generated solely from their ability to take profits consistently out of the markets. The world of prop trading is mentally and emotionally challenging, but offers substantial rewards to the select few who can master this craft called trading. In One Good Trade: Inside the Highly Competitive World of Proprietary Trading, author Mike Bellafiore shares the principles and techniques that have enabled him.