Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
29.19
-0.20 (-0.68%)
At close: Sep 04, 2025, 3:59 PM
29.19
0.00%
After-hours: Sep 04, 2025, 04:11 PM EDT
AMPH Option Overview
Overview for all option chains of AMPH. As of September 04, 2025, AMPH options have an IV of 122.33% and an IV rank of 140.23%. The volume is 30 contracts, which is 60% of average daily volume of 50 contracts. The volume put-call ratio is 0.03, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
122.33%IV Rank
140.23%Historical Volatility
64.9%IV Low
39.06% on Nov 11, 2024IV High
98.44% on Sep 03, 2025Open Interest (OI)
Today's Open Interest
1,450Put-Call Ratio
0.22Put Open Interest
261Call Open Interest
1,189Open Interest Avg (30-day)
1,150Today vs Open Interest Avg (30-day)
126.09%Option Volume
Today's Volume
30Put-Call Ratio
0.03Put Volume
1Call Volume
29Volume Avg (30-day)
50Today vs Volume Avg (30-day)
60%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 | 4 | 0 | 0 | 759 | 71 | 0.09 | 122.33% | 25 |
| Oct 17, 2025 | 0 | 1 | 0 | 8 | 2 | 0.25 | 79.38% | 30 |
| Dec 19, 2025 | 24 | 0 | 0 | 356 | 168 | 0.47 | 76.45% | 30 |
| Mar 20, 2026 | 1 | 0 | 0 | 66 | 20 | 0.3 | 54.95% | 22.5 |