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MSTR Becomes Most‑Shorted Large Cap as Bitcoin Rebound Lifts Shares 8%

Much of the bearish positioning reflects basis trades against spot‑Bitcoin ETFs that can unwind quickly when the crypto price jumps.

Overview

  • Short interest in Strategy (MSTR) is near 14% of market capitalization, topping Goldman Sachs and FactSet rankings of $25B+ U.S. stocks.
  • Bitcoin’s move into the high $60,000s drove an 8–9% rise in MSTR, reviving short‑squeeze talk with a days‑to‑cover ratio reported around 2.2.
  • Dollar estimates vary, with one report citing roughly $3.3 billion in paper losses for shorts and another putting net short exposure near $4.85 billion.
  • The company holds about 717,722 BTC at an average cost near $76,000, leaving roughly $6–7 billion in unrealized losses under fair‑value accounting.
  • Analysts highlight paired trades—long IBIT and short MSTR—with firms like Jane Street disclosed in both, as the company continues to add BTC, including a recent 592‑coin purchase via an at‑the‑market share sale.