Options Chain for AMPHASTAR PHARMACEUTICALS INC COM (AMPH) - $20.92 as of 8/19/2026 8:34:21 AM 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 16.80 | 21.10 | 18.95 | % | 7.58 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 PM EST | |||
| 5.00 | 14.30 | 18.60 | 16.45 | % | 3.29 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 PM EST | |||
| 7.50 | 11.60 | 16.30 | 13.95 | % | 1.86 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 PM EST | |||
| 10.00 | 9.10 | 13.80 | 11.45 | % | 1.15 | 0 | 0 | 0.00 | 1.00 | 0.00 | -0.01 | 8/18/2026 3:59:59 PM EST | |||
| 12.50 | 6.50 | 11.10 | 8.80 | % | 0.70 | 0 | 0 | 0.00 | 0.97 | 0.01 | -0.07 | 8/18/2026 3:59:59 PM EST | |||
| 15.00 | 4.00 | 8.70 | 6.35 | % | 0.42 | 0 | 0 | 7.50 | 0.97 | 0.02 | -0.06 | 8/18/2026 3:59:59 PM EST | |||
| 17.50 | 1.80 | 6.10 | 3.95 | % | 0.23 | 0 | 0 | 5.62 | 0.88 | 0.05 | -0.14 | 8/18/2026 3:59:59 PM EST | |||
| 20.00 | 1.25 | 1.60 | 1.43 | 0.92 | 0.00 | 0.00% | 0.07 | 0 | 1,237 | 1.02 | 0.69 | 0.10 | -0.22 | 8/17/2026 | 8/18/2026 3:59:59 PM EST |
| 22.50 | 0.00 | 3.60 | 1.80 | 0.20 | 0.00 | 0.00% | 0.08 | 0 | 330 | 5.30 | 0.40 | 0.12 | -0.21 | 8/14/2026 | 8/18/2026 3:59:59 PM EST |
| 25.00 | 0.00 | 2.20 | 1.10 | 0.30 | 0.00 | 0.00% | 0.04 | 0 | 4 | 4.52 | 0.17 | 0.08 | -0.13 | 7/20/2026 | 8/18/2026 3:59:59 PM EST |
| 30.00 | 0.00 | 2.90 | 1.45 | % | 0.05 | 0 | 0 | 6.97 | 0.01 | 0.01 | -0.01 | 8/18/2026 3:59:59 PM EST | |||
| 35.00 | 0.00 | 2.90 | 1.45 | % | 0.04 | 0 | 0 | 8.12 | 0.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 PM EST | |||
| 40.00 | 0.00 | 2.90 | 1.45 | % | 0.04 | 0 | 0 | 9.03 | 0.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.00 | 0.05 | 0.03 | % | 0.01 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 PM EST | |||
| 5.00 | 0.00 | 3.40 | 1.70 | 0.10 | 0.00 | 0.00% | 0.34 | 0 | 26 | 0.00 | 0.00 | 0.00 | 0.00 | 7/24/2026 | 8/18/2026 3:59:59 PM EST |
| 7.50 | 0.00 | 2.85 | 1.43 | 0.05 | 0.00 | 0.00% | 0.19 | 0 | 11 | 0.00 | 0.00 | 0.00 | 0.00 | 7/24/2026 | 8/18/2026 3:59:59 PM EST |
| 10.00 | 0.00 | 2.95 | 1.48 | 0.05 | 0.00 | 0.00% | 0.15 | 0 | 71 | 0.00 | 0.00 | 0.00 | -0.01 | 7/27/2026 | 8/18/2026 3:59:59 PM EST |
| 12.50 | 0.00 | 2.90 | 1.45 | % | 0.12 | 0 | 0 | 0.00 | -0.03 | 0.01 | -0.07 | 8/18/2026 3:59:59 PM EST | |||
| 15.00 | 0.00 | 2.70 | 1.35 | 0.15 | 0.00 | 0.00% | 0.09 | 0 | 2 | 8.29 | -0.03 | 0.02 | -0.06 | 8/4/2026 | 8/18/2026 3:59:59 PM EST |
| 17.50 | 0.00 | 2.00 | 1.00 | 0.60 | 0.00 | 0.00% | 0.06 | 0 | 12 | 5.18 | -0.12 | 0.05 | -0.14 | 7/13/2026 | 8/18/2026 3:59:59 PM EST |
| 20.00 | 0.00 | 2.90 | 1.45 | 1.90 | 0.00 | 0.00% | 0.07 | 0 | 1 | 4.75 | -0.31 | 0.10 | -0.22 | 6/29/2026 | 8/18/2026 3:59:59 PM EST |
| 22.50 | 0.05 | 3.80 | 1.93 | 3.10 | 0.00 | 0.00% | 0.09 | 0 | 1 | 4.03 | -0.60 | 0.12 | -0.21 | 6/26/2026 | 8/18/2026 3:59:59 PM EST |
| 25.00 | 1.55 | 5.80 | 3.68 | 4.90 | 0.00 | 0.00% | 0.15 | 0 | 1 | 4.43 | -0.83 | 0.08 | -0.13 | 6/26/2026 | 8/18/2026 3:59:59 PM EST |
| 30.00 | 6.30 | 11.00 | 8.65 | % | 0.29 | 0 | 0 | 5.93 | -0.99 | 0.01 | -0.01 | 8/18/2026 3:59:59 PM EST | |||
| 35.00 | 11.40 | 15.70 | 13.55 | % | 0.39 | 0 | 0 | 6.91 | -1.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 PM EST | |||
| 40.00 | 16.40 | 20.70 | 18.55 | % | 0.46 | 0 | 0 | 7.80 | -1.00 | 0.00 | 0.00 | 8/18/2026 3:59:59 PM EST |