Options Chain for AMPHASTAR PHARMACEUTICALS INC COM (AMPH) - $18.25 as of 3/16/2026 6:59:20 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 4.70 | 8.90 | 6.80 | % | 0.54 | 0 | 0 | 6.86 | 1.00 | 0.00 | 0.00 | 3/16/2026 3:59:24 PM EST | |||
| 15.00 | 2.25 | 6.30 | 4.28 | 7.50 | 0.00 | 0.00% | 0.29 | 0 | 7 | 5.21 | 0.93 | 0.04 | -0.06 | 8/7/2025 | 3/16/2026 3:59:24 PM EST |
| 17.50 | 0.50 | 3.80 | 2.15 | % | 0.12 | 0 | 0 | 3.57 | 0.78 | 0.11 | -0.10 | 3/16/2026 3:59:24 PM EST | |||
| 20.00 | 0.00 | 1.00 | 0.50 | 9.00 | 0.00 | 0.00% | 0.03 | 0 | 3 | 1.54 | 0.42 | 0.16 | -0.12 | 2/18/2026 | 3/16/2026 3:59:24 PM EST |
| 22.50 | 0.00 | 2.15 | 1.08 | 0.34 | 0.00 | 0.00% | 0.05 | 0 | 53 | 4.00 | 0.13 | 0.09 | -0.07 | 3/2/2026 | 3/16/2026 3:59:24 PM EST |
| 25.00 | 0.00 | 2.15 | 1.08 | 0.20 | 0.00 | 0.00% | 0.04 | 0 | 37 | 4.81 | 0.03 | 0.03 | -0.02 | 2/27/2026 | 3/16/2026 3:59:24 PM EST |
| 30.00 | 0.00 | 1.75 | 0.88 | 1.40 | 0.00 | 0.00% | 0.03 | 0 | 323 | 5.13 | 0.00 | 0.00 | 0.00 | 3/3/2026 | 3/16/2026 3:59:24 PM EST |
| 35.00 | 0.00 | 2.35 | 1.18 | 0.05 | 0.00 | 0.00% | 0.03 | 0 | 67 | 6.94 | 0.00 | 0.00 | 0.00 | 3/12/2026 | 3/16/2026 3:59:24 PM EST |
| 40.00 | 0.00 | 1.50 | 0.75 | 0.35 | 0.00 | 0.00% | 0.02 | 0 | 56 | 5.54 | 0.00 | 0.00 | 0.00 | 12/11/2025 | 3/16/2026 3:59:24 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 2.15 | 1.08 | % | 0.09 | 0 | 0 | 7.57 | 0.00 | 0.00 | 0.00 | 3/16/2026 3:59:24 PM EST | |||
| 15.00 | 0.00 | 2.85 | 1.43 | 0.55 | 0.00 | 0.00% | 0.10 | 0 | 6 | 2.04 | -0.07 | 0.04 | -0.06 | 7/17/2025 | 3/16/2026 3:59:24 PM EST |
| 17.50 | 0.00 | 0.80 | 0.40 | 0.95 | 0.00 | 0.00% | 0.02 | 0 | 1 | 2.05 | -0.22 | 0.11 | -0.10 | 8/4/2025 | 3/16/2026 3:59:24 PM EST |
| 20.00 | 0.00 | 3.00 | 1.50 | 1.18 | +0.58 | +96.67% | 0.07 | 1 | 15 | 3.29 | -0.58 | 0.16 | -0.12 | 3/16/2026 | 3/16/2026 3:59:24 PM EST |
| 22.50 | 1.30 | 5.00 | 3.15 | 3.70 | 0.00 | 0.00% | 0.14 | 0 | 9 | 3.72 | -0.87 | 0.09 | -0.07 | 3/9/2026 | 3/16/2026 3:59:24 PM EST |
| 25.00 | 3.70 | 7.80 | 5.75 | 1.12 | 0.00 | 0.00% | 0.23 | 0 | 2 | 4.89 | -0.97 | 0.03 | -0.02 | 2/3/2026 | 3/16/2026 3:59:24 PM EST |
| 30.00 | 8.80 | 12.80 | 10.80 | 7.74 | 0.00 | 0.00% | 0.36 | 0 | 17 | 6.11 | -1.00 | 0.00 | 0.00 | 2/27/2026 | 3/16/2026 3:59:24 PM EST |
| 35.00 | 13.50 | 17.80 | 15.65 | 7.40 | 0.00 | 0.00% | 0.45 | 0 | 0 | 7.05 | -1.00 | 0.00 | 0.00 | 2/3/2026 | 3/16/2026 3:59:24 PM EST |
| 40.00 | 18.50 | 22.80 | 20.65 | 10.30 | 0.00 | 0.00% | 0.52 | 0 | 0 | 7.79 | -1.00 | 0.00 | 0.00 | 8/26/2025 | 3/16/2026 3:59:24 PM EST |