Core Viewpoint - The T-Rex 2X Inverse MSTR Daily Target ETF (MSTZ) has been initiated with a 'strong sell' rating, indicating a bearish outlook on the ETF's performance [1]. Group 1: Analyst Background - The analyst has a background in media research and focuses on sectors such as cryptocurrency, Bitcoin miners, metals, and media equities [1]. - The analyst shares personal investment strategies and insights through platforms like Seeking Alpha and Substack [1]. Group 2: Investment Position - The analyst holds a beneficial long position in Bitcoin (BTC-USD) through various financial instruments, indicating a personal investment strategy that contrasts with the bearish rating on MSTZ [2].