AMPH Short Interest

Short InterestVery High
Short Interest?5.0M
Days to Cover?10.8
Avg Daily Volume464.7K
Settlement Date2026-09-15
Short Volume Ratio (30 Day)Avg: 6,631.6%
2026-08-212026-09-142026-10-02
Latest Short Vol Ratio7,799.0%
Short Volume115.6K
Total Volume148.2K
MarketsMoversWatchlist
Amphastar Pharmaceuticals (AMPH) — Short Interest