Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
26.87
-0.54 (-1.97%)
At close: Sep 24, 2025, 3:59 PM
26.87
0.00%
After-hours: Sep 24, 2025, 04:10 PM EDT
AMPH Option Overview
Overview for all option chains of AMPH. As of September 25, 2025, AMPH options have an IV of 113.7% and an IV rank of 113.2%. The volume is 1 contracts, which is 3.03% of average daily volume of 33 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
113.7%IV Rank
100%Historical Volatility
41.04%IV Low
39.06% on Nov 11, 2024IV High
105% on Sep 22, 2025Open Interest (OI)
Today's Open Interest
1,252Put-Call Ratio
0.24Put Open Interest
241Call Open Interest
1,011Open Interest Avg (30-day)
719Today vs Open Interest Avg (30-day)
174.13%Option Volume
Today's Volume
1Put-Call Ratio
0Put Volume
1Call Volume
0Volume Avg (30-day)
33Today vs Volume Avg (30-day)
3.03%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 | 8 | 42 | 5.25 | 113.7% | 40 |
| Nov 21, 2025 | 0 | 0 | 0 | 556 | 2 | 0 | 80.03% | 30 |
| Dec 19, 2025 | 0 | 0 | 0 | 369 | 173 | 0.47 | 82.71% | 30 |
| Mar 20, 2026 | 0 | 1 | 0 | 78 | 24 | 0.31 | 59.86% | 22.5 |