[1] The document discusses the difference between professional traders ("Pros") and amateur traders ("Pikers") based on examples from Mike Bellafiore's experience as a trader and mentor. [2] It provides examples of behaviors that characterize Pikers, such as not continuing to learn after a trade, not listening to mentors, or believing they have mastered trading without proper experience. [3] In contrast, it describes the behaviors of professional traders, such as constantly striving to improve, seeking feedback from mentors, and focusing on developing skills over time rather than