Amphastar Pharmaceuticals (AMPH) Options Chain
NASDAQ: AMPHHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $25.81
- Put/call ratio (volume)
- 0.05
- Expected move
- ±$0.2234
- Open interest (C / P)
- 0 / 0
AMPH options summary
The AMPH options chain for the October 16, 2026 expiration lists 4 call and 3 put contracts, with 7 days until expiration. At-the-money implied volatility near the $25.00 strike is 6.3%, which implies the market expects a move of about ±$0.2234 (0.9%) in Amphastar Pharmaceuticals stock by expiration. The most open interest sits at the $20.00 call (0 contracts) and the $17.50 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
AMPH options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 17.50 | 0.00 | 0.00 | 2.90 | |||||
| 5.50 | 0.00 | 0.00 | 20.00 | — | — | — | |||||
| 3.29 | 0.00 | 0.00 | 22.50 | 0.00 | 0.00 | 0.70 | |||||
| 1.10 | 0.00 | 0.00 | 25.00 | 0.00 | 0.00 | 0.47 | |||||
| 0.05 | 0.00 | 0.00 | 30.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is AMPH's implied volatility?
At-the-money implied volatility for AMPH options expiring October 16, 2026 is about 6.3%, an annualized estimate of how much the market expects Amphastar Pharmaceuticals stock to move.
How many AMPH option expiration dates are there?
AMPH has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.