Amphastar Pharmaceuticals Inc
Amphastar Pharmaceuticals Inc (AMPH) Expected Move
AMPH expected move through Sep 18, 2026 is 24.8%, with 1 days to expiration. The implied range is $18.00 to $29.90, based on the previous trading day's options prices.
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Tracking the AMPH expected move helps you see how far Amphastar Pharmaceuticals Inc's options market is pricing the stock to travel over a given period — whether that's the next day, week, or earnings cycle. Amphastar Pharmaceuticals Inc's expected move is derived directly from option premiums and gives you an objective range to plan trades, set strikes, and manage risk. Use our scanner to monitor the AMPH expected move for this week's options, in real time.
The expected move is typically calculated from at-the-money straddle prices (or a blend of straddles and strangles) and represents roughly a one-standard-deviation range over the chosen timeframe. For AMPH, comparing the implied expected move to actual realized moves over similar windows tells you whether the options market has historically overestimated or underestimated volatility. The AMPH expected move for this week's options pricing is especially useful for short-dated traders, earnings players, and anyone selling premium who needs to know where the market thinks Amphastar Pharmaceuticals Inc is unlikely to go.
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.
Iron condors, weekly premium sales, directional swing trades — they all live or die by where the market thinks the stock won't go. Our scanner tracks the AMPH expected move across every expiration, benchmarks it against realized moves, and shows you when implied ranges are out of line with history. The Amphastar Pharmaceuticals Inc expected move for this week's options is the fastest read on short-term risk, which gives you a quick way to interpret what the options market thinks about AMPH.
AMPH Price
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| Expiration | DTE | Expected move (USD) | Expected move (%) | Upper price | Lower price |
|---|---|---|---|---|---|
| Sep 18, 2026 | 1 | $5.95 | 24.8% | $29.90 | $18.00 |
| Oct 16, 2026 | 29 | $5.66 | 23.6% | $29.61 | $18.29 |
| Dec 18, 2026 | 92 | $6.36 | 26.6% | $30.31 | $17.59 |
| Mar 19, 2027 | 183 | $6.14 | 25.6% | $30.09 | $17.81 |
As of September 16, 2026
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