Amphastar Pharmaceuticals (AMPH) Options Chain
NASDAQ: AMPHHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Mar 19, 2027
- Days to expiration
- 159
- Share price
- $26.62
- Put/call ratio (OI)
- 0.24
- Put/call ratio (volume)
- 2.00
- Expected move
- ±$10.37
- Open interest (C / P)
- 70 / 17
AMPH options summary
The AMPH options chain for the March 19, 2027 expiration lists 6 call and 5 put contracts, with 159 days until expiration. Open interest stands at 70 calls and 17 puts, a put/call ratio of 0.24, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $25.00 strike is 59.0%, which implies the market expects a move of about ±$10.37 (39.0%) in Amphastar Pharmaceuticals stock by expiration.
The most open interest sits at the $25.00 call (41 contracts) and the $30.00 put (6 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
AMPH options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 22.10 | 19.30 | 23.40 | 5.00 | — | — | — | |||||
| — | — | — | 17.50 | 0.00 | 3.70 | 0.95 | |||||
| 4.72 | 6.00 | 10.00 | 20.00 | 0.00 | 4.00 | 0.75 | |||||
| 5.00 | 5.20 | 8.50 | 22.50 | 0.10 | 4.50 | 2.10 | |||||
| 4.39 | 2.95 | 7.00 | 25.00 | 1.25 | 5.00 | 3.33 | |||||
| 2.30 | 0.30 | 4.50 | 30.00 | 3.40 | 7.50 | 5.10 | |||||
| 0.75 | 0.00 | 3.70 | 35.00 | — | — | — | |||||
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 the AMPH put/call ratio?
For the March 19, 2027 expiration, the AMPH put/call ratio based on open interest is 0.24 (17 puts vs 70 calls), and 2.00 based on today's volume. A ratio above 1 means more puts than calls.
What is AMPH's implied volatility?
At-the-money implied volatility for AMPH options expiring March 19, 2027 is about 59.0%, 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.