Bitcoin January 5, 2025 ๐ผ NEW: ๐ Interactive Brokers is tightening its risk exposure to $MSTR, gradually hiking margin requirements to a minimum of 50% by January 13, 2… NEW: ๐ Interactive Brokers is tightening its risk exposure to $MSTR, gradually hiking margin requirements to a minimum of 50% by January 13, 2025. A clear signal theyโre preparing for major volatility ahead ๐