Amphastar Pharmaceuticals...

NASDAQ: AMPH · Real-Time Price · USD
30.25
0.04 (0.13%)
At close: Aug 15, 2025, 12:01 PM

AMPH Option Overview

Overview for all option chains of AMPH. As of August 15, 2025, AMPH options have an IV of 472.66% and an IV rank of 522.62%. The volume is 960 contracts, which is 1066.67% of average daily volume of 90 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
472.66%
IV Rank
522.62%
Historical Volatility
66.81%
IV Low
39.06% on Nov 11, 2024
IV High
122.03% on Aug 13, 2025

Open Interest (OI)

Today's Open Interest
1,368
Put-Call Ratio
0.23
Put Open Interest
256
Call Open Interest
1,112
Open Interest Avg (30-day)
1,094
Today vs Open Interest Avg (30-day)
125.05%

Option Volume

Today's Volume
960
Put-Call Ratio
0
Put Volume
0
Call Volume
960
Volume Avg (30-day)
90
Today vs Volume Avg (30-day)
1066.67%

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
Aug 15, 2025 442 0 0 539 11 0.02 472.66% 20
Sep 19, 2025 517 0 0 256 65 0.25 93.95% 25
Oct 17, 2025 0 0 0 0 0 0 71.07% 15
Dec 19, 2025 0 0 0 290 167 0.58 66.44% 30
Mar 20, 2026 1 0 0 27 13 0.48 48.55% 15