ATRA Short Interest

Short InterestHigh
Short Interest?350.3K
Days to Cover?8.7
Avg Daily Volume40.3K
Settlement Date2026-10-15
Short Volume Ratio (30 Day)Avg: 4,646.5%
2026-09-162026-10-072026-10-27
Latest Short Vol Ratio8,207.0%
Short Volume1.7K
Total Volume2.1K
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Atara Biotherapeutics (ATRA) — Short Interest