Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
29.62
-0.70 (-2.32%)
At close: Aug 20, 2025, 3:59 PM
29.62
0.00%
After-hours: Aug 20, 2025, 05:22 PM EDT
AMPH Option Overview
Overview for all option chains of AMPH. As of August 20, 2025, AMPH options have an IV of 98.3% and an IV rank of 117.56%. The volume is 18 contracts, which is 39.13% of average daily volume of 46 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
98.3%IV Rank
117.56%Historical Volatility
66.43%IV Low
39.06% on Nov 11, 2024IV High
89.45% on Aug 07, 2025Open Interest (OI)
Today's Open Interest
1,370Put-Call Ratio
0.22Put Open Interest
248Call Open Interest
1,122Open Interest Avg (30-day)
755Today vs Open Interest Avg (30-day)
181.46%Option Volume
Today's Volume
18Put-Call Ratio
0Put Volume
0Call Volume
18Volume Avg (30-day)
46Today vs Volume Avg (30-day)
39.13%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 |
| Sep 19, 2025 | 2 | 0 | 0 | 754 | 65 | 0.09 | 98.3% | 25 |
| Oct 17, 2025 | 2 | 0 | 0 | 1 | 1 | 1 | 71.28% | 35 |
| Dec 19, 2025 | 13 | 0 | 0 | 337 | 167 | 0.5 | 69.97% | 30 |
| Mar 20, 2026 | 1 | 0 | 0 | 30 | 15 | 0.5 | 49.29% | 20 |