Coinbase CEO Brian Armstrong has drawn attention to George Soros' reflexivity theory in financial markets during a recent earnings call. Armstrong highlighted how market predictions about his statements could influence actual outcomes, aligning with Soros' concept that markets shape the realities they measure. This theory suggests that speculative behavior can lead to self-fulfilling prophecies, as seen in historical events like the 2008 financial crisis and the current AI investment surge. Armstrong's remarks underscore the potential for such cycles to reverse, resulting in market corrections.