Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
30.62
0.36 (1.19%)
At close: Aug 29, 2025, 3:59 PM
30.80
0.59%
After-hours: Aug 29, 2025, 05:31 PM 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
1,413
contracts, with 1,183
call contracts and
230 put contracts. The
overall put-call open interest ratio is
0.19, indicating a
bullish
bias in positioning. Options expire from
Sep 19, 2025
to
Mar 20, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 762 | 42 | 0.06 |
| Oct 17, 2025 | 8 | 1 | 0.13 |
| Dec 19, 2025 | 357 | 168 | 0.47 |
| Mar 20, 2026 | 56 | 19 | 0.34 |