Amphastar Pharmaceuticals, Inc. (AMPH) short interest & options flow
NASDAQAmphastar Pharmaceuticals heads into its Q3 print with short sellers backing away and the stock trading well above where most analysts have set their targets. The clearest positioning story is in short interest, which has fallen 14% over the past month to 9.4% of the free float. Despite that retreat, the absolute level remains meaningful enough to matter. Borrowing costs are low at…
AMPH put-call ratio surges to 0.417, nearly 4.4 standard deviations above its 20-day mean of 0.076. Spike signals heavy put buying relative to calls, a sharp reversal from sustained low ratios.
- Market cap
- $1.21B
- Next earnings
- 26 Feb 2027
Key data as of 7 Nov 2026
Latest signals on AMPH
- Options
AMPH put-call ratio surges to 0.417, nearly 4.4 standard deviations above its 20-day mean of 0.076. Spike signals heavy put buying relative to calls, a sharp reversal from sustained low ratios.
AMPH news and analysis
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