Opinion: US Stock Short Positions Reach an All-Time High, Bitcoin May See a 'Decoupling Moment'

May 26: XWIN Research published a note pointing out that short positions in the U.S. stock market have recently surged to an all-time high. But this doesn’t signal broad market bearishness, the report argues. Data shows hedge funds’ total leverage ratio has climbed to roughly 293%. Both the S&P 500’s short exposure and Days-to-Cover ratio hit record peaks, indicating institutional investors are maintaining large long positions while significantly boosting their hedge bets. The market is now in a structural state of “high leverage with concurrent long and short expansion”: the surface trend remains upward, yet internal defensive sentiment is sharply rising. The core driver of this dynamic is that funds keep concentrating in AI-linked mega-cap stocks. A flood of capital is flowing to just a handful of tech giants, while mid-cap and weaker sectors face sustained shorting. This has kept the index afloat but is building up internal fragility. Such a structure suggests that once the AI trading frenzy cools, the market could face far more intense volatility and risk unwinding. This shift also has major implications for Bitcoin. Historically, BTC has typically moved in lockstep with U.S. equities during major risk events—for example, during the 2020 pandemic-induced crash, Bitcoin fell alongside the S&P 500, failing to live up to its reputation as a traditional safe haven. But since 2025, the two have started to diverge sharply: the S&P 500 has held relatively steady, while Bitcoin’s volatility has spiked. ETF inflows and active spot buying show Bitcoin is increasingly driven by its own liquidity cycle, leverage structure, and institutional demand. Markets are beginning to view Bitcoin as transitioning from a mere “high-risk asset” to a hybrid asset that combines both macro liquidity attributes and its own independent market dynamics.