Sliding Copper-to-Gold Ratio Presents Bitcoin Bear Case

Bitcoin's best years have been characterized by copper's outperformance relative to gold but the widely-tracked ratio continues to slide in the wake of China's stimulus announcements, offering negative cues to risk assets. What does the sliding copper-to-gold ratio mean for bitcoin? And how will the growth of M2 money supply from major central banks impact BTC's momentum? CoinDesk's Christine Lee presents the "Chart of the Day."