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PRE-MKT · 05:10 ET
Market ClerkRecap
Thu Oct 22 · pre-market2 signals on Oct 21108 insider buys this week · $250.3MCIRO short report next: Oct 31The week ahead

XBI

State Street SPDR S&P Biotech
UNITED STATES
152.78
−0.46 −0.30%
USD · close Oct 21

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Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-3174.5M−2.7M—9.2M8.1
2026-08-1477.1M−1.7M—7.4M10.4
2026-07-3178.8M+3.7M—8.3M9.5
2026-07-1575.1M−39K—9M8.3

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