Amphastar Pharmaceuticals Inc
Amphastar Pharmaceuticals Inc (AMPH) Unusual Options Activity Today
AMPH options volume power reached 8x on the previous trading day. The highest reading was on the $25 CALL expiring 2026-11-20.
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Checking AMPH unusual options activity helps you spot when traders are making outsized bets on Amphastar Pharmaceuticals Inc before the broader market catches on. Amphastar Pharmaceuticals Inc's unusual options activity flags contracts trading at multiples of their average daily volume, often signaling that informed money is positioning ahead of a catalyst. Use our scanner to monitor AMPH unusual options activity today and surface the prints that deserve a second look.
Unusual options flow typically refers to trades where volume vastly exceeds open interest at a given strike, or where total contract volume on a name spikes well above its norm. Watching AMPH unusual options flow today can reveal large block trades, sweeps across exchanges, and aggressive directional bets. Tracking AMPH unusual options volume across calls and puts helps you separate hedging activity from genuinely speculative positioning, and AMPH unusual options flow data becomes especially valuable around earnings, product launches, and macro events.
Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Enoxaparin, a low molecular weight heparin to prevent and treat deep vein thrombosis; Naloxone for opioid overdose; Glucagon for injection emergency kit; and Cortrosyn, a lyophilized powder for use as a diagnostic agent in the screening of patients with adrenocortical insufficiency.
The company also provides Amphadase, a bovine-sourced hyaluronidase injection to absorb and disperse other injected drugs; Epinephrine injection for the emergency treatment of allergic reactions; lidocaine jelly, an anesthetic product for urological procedures; lidocaine topical solution for various procedures; phytonadione injection, a vitamin K1 injection for newborn babies; emergency syringe products for emergency use in hospital settings; morphine injection for use with patient controlled analgesia pumps; and lorazepam injection for surgery and medical procedures. In addition, it offers neostigmine methylsulfate injection to treat myasthenia gravis and to reverse the effects of muscle relaxants; and Isoproterenol hydrochloride injection for mild or transient episodes of heart block. Further, the company distributes recombinant human insulin active pharmaceutical ingredients (API) and porcine insulin API. It serves hospitals, care facilities, alternate care sites, clinics, and doctors' offices. The company was founded in 1996 and is headquartered in Rancho Cucamonga, California.
Catalysts rarely arrive without a footprint, and AMPH unusual options activity is often where that footprint shows up first. Our scanner tracks Amphastar Pharmaceuticals Inc's unusual options flow in real time, ranks prints by volume-to-open-interest, premium spent, and aggressor side, and separates real conviction from noise. Whether you're looking at AMPH unusual options volume on the call side or chasing put sweeps, Amphastar Pharmaceuticals Inc's unusual options flow today is one click away, so put it on your radar before the headlines hit.
| 25.00 | 1.50 | 1.95 | 1.73 | 42% | 8 | 32 | 25.00% |
| 30.00 | 0.05 | 0.10 | 0.08 | 38% | 10 | 1,483 | 0.67% |
| 12.50 | 11.50 | 15.80 | 13.65 | 28% | 0 | 0 | — |
| 15.00 | 9.10 | 13.10 | 11.10 | 22% | 0 | 0 | — |
| 17.50 | 6.60 | 10.80 | 8.70 | 82% | 0 | 0 | — |
| 12.50 | — | 2.15 | 2.15 | 412% | 0 | 0 | — |
| 15.00 | — | 2.15 | 2.15 | 334% | 0 | 0 | — |
| 17.50 | — | 2.15 | 2.15 | 270% | 0 | 1 | 0.00% |
| 20.00 | — | 2.15 | 2.15 | 213% | 0 | 0 | — |
| 22.50 | — | 2.20 | 2.20 | 164% | 0 | 1 | 0.00% |
As of September 25, 2026
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