Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
23.14
-0.72 (-3.02%)
At close: Oct 15, 2025, 3:59 PM
23.00
-0.61%
After-hours: Oct 15, 2025, 05:59 PM EDT
AMPH Option Overview
Overview for all option chains of AMPH. As of October 15, 2025, AMPH options have an IV of 342.56% and an IV rank of 219.62%. The volume is 10 contracts, which is 28.57% of average daily volume of 35 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
342.56%IV Rank
100%Historical Volatility
30.84%IV Low
39.06% on Nov 11, 2024IV High
177.25% on Oct 14, 2025Open Interest (OI)
Today's Open Interest
1,316Put-Call Ratio
0.21Put Open Interest
231Call Open Interest
1,085Open Interest Avg (30-day)
1,131Today vs Open Interest Avg (30-day)
116.36%Option Volume
Today's Volume
10Put-Call Ratio
0Put Volume
0Call Volume
10Volume Avg (30-day)
35Today vs Volume Avg (30-day)
28.57%Option Chain Statistics
This table provides a comprehensive overview of all AMPH options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Oct 17, 2025 | 0 | 0 | 0 | 7 | 17 | 2.43 | 342.56% | 30 |
| Nov 21, 2025 | 0 | 0 | 0 | 577 | 24 | 0.04 | 105.34% | 30 |
| Dec 19, 2025 | 2 | 0 | 0 | 411 | 161 | 0.39 | 122.44% | 30 |
| Mar 20, 2026 | 8 | 0 | 0 | 90 | 29 | 0.32 | 64.87% | 22.5 |