Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
29.33
0.07 (0.24%)
At close: Sep 09, 2025, 3:59 PM
29.12
-0.72%
Pre-market: Sep 10, 2025, 04:17 AM EDT
AMPH Open Interest Chart
Open interest breakdown by expiration date for AMPH
options contracts. Displaying data for 4
active expiration dates with future expiry.
Total open interest across all expiries is
1,470
contracts, with 1,199
call contracts and
271 put contracts.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 759 | 71 | 0.09 |
| Oct 17, 2025 | 8 | 12 | 1.50 |
| Dec 19, 2025 | 365 | 168 | 0.46 |
| Mar 20, 2026 | 67 | 20 | 0.30 |