Options Chain for AMPHASTAR PHARMACEUTICALS INC COM (AMPH) - $19.18 as of 7/28/2026 4:04:33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 15.30 | 19.40 | 17.35 | % | 6.94 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 5.00 | 12.80 | 16.90 | 14.85 | % | 2.97 | 0 | 0 | 7.21 | 1.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 7.50 | 10.40 | 14.40 | 12.40 | % | 1.65 | 0 | 0 | 5.15 | 1.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 10.00 | 7.90 | 11.90 | 9.90 | % | 0.99 | 0 | 0 | 3.89 | 0.99 | 0.00 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 12.50 | 5.40 | 9.70 | 7.55 | % | 0.60 | 0 | 0 | 3.12 | 0.98 | 0.01 | -0.01 | 7/28/2026 1:58:54 PM EST | |||
| 15.00 | 3.00 | 7.10 | 5.05 | % | 0.34 | 0 | 0 | 2.35 | 0.90 | 0.04 | -0.02 | 7/28/2026 1:58:54 PM EST | |||
| 17.50 | 0.80 | 5.00 | 2.90 | % | 0.17 | 0 | 0 | 1.90 | 0.77 | 0.07 | -0.03 | 7/28/2026 1:58:54 PM EST | |||
| 20.00 | 1.25 | 1.75 | 1.50 | 1.30 | +0.23 | +21.50% | 0.07 | 1 | 1,209 | 0.73 | 0.54 | 0.10 | -0.03 | 7/28/2026 | 7/28/2026 1:58:54 PM EST |
| 22.50 | 0.00 | 0.85 | 0.43 | 0.70 | 0.00 | 0.00% | 0.02 | 0 | 330 | 0.84 | 0.28 | 0.10 | -0.03 | 7/20/2026 | 7/28/2026 1:58:54 PM EST |
| 25.00 | 0.00 | 2.20 | 1.10 | 0.25 | 0.00 | 0.00% | 0.04 | 0 | 4 | 1.86 | 0.12 | 0.06 | -0.01 | 7/20/2026 | 7/28/2026 1:58:54 PM EST |
| 30.00 | 0.00 | 3.40 | 1.70 | % | 0.06 | 0 | 0 | 2.97 | 0.01 | 0.01 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 35.00 | 0.00 | 2.50 | 1.25 | % | 0.04 | 0 | 0 | 2.91 | 0.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 40.00 | 0.00 | 3.40 | 1.70 | % | 0.04 | 0 | 0 | 3.68 | 0.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 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 | 3.40 | 1.70 | % | 0.68 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 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 | 7/28/2026 1:58:54 PM EST |
| 7.50 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 11 | 1.92 | 0.00 | 0.00 | 0.00 | 7/24/2026 | 7/28/2026 1:58:54 PM EST |
| 10.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 71 | 1.40 | -0.01 | 0.00 | 0.00 | 7/27/2026 | 7/28/2026 1:58:54 PM EST |
| 12.50 | 0.00 | 3.40 | 1.70 | % | 0.14 | 0 | 0 | 4.15 | -0.02 | 0.01 | -0.01 | 7/28/2026 1:58:54 PM EST | |||
| 15.00 | 0.00 | 0.45 | 0.23 | 0.30 | 0.00 | 0.00% | 0.02 | 0 | 2 | 1.16 | -0.10 | 0.04 | -0.02 | 7/6/2026 | 7/28/2026 1:58:54 PM EST |
| 17.50 | 0.00 | 3.60 | 1.80 | 0.60 | 0.00 | 0.00% | 0.10 | 0 | 12 | 2.53 | -0.23 | 0.07 | -0.03 | 7/13/2026 | 7/28/2026 1:58:54 PM EST |
| 20.00 | 0.00 | 4.10 | 2.05 | 1.90 | 0.00 | 0.00% | 0.10 | 0 | 1 | 2.03 | -0.46 | 0.10 | -0.03 | 6/29/2026 | 7/28/2026 1:58:54 PM EST |
| 22.50 | 1.10 | 5.00 | 3.05 | % | 0.14 | 0 | 1 | 1.68 | -0.72 | 0.10 | -0.03 | 7/28/2026 1:58:54 PM EST | |||
| 25.00 | 3.30 | 7.20 | 5.25 | 4.90 | 0.00 | 0.00% | 0.21 | 0 | 1 | 1.88 | -0.88 | 0.06 | -0.01 | 6/26/2026 | 7/28/2026 1:58:54 PM EST |
| 30.00 | 8.10 | 12.10 | 10.10 | % | 0.34 | 0 | 0 | 2.34 | -0.99 | 0.01 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 35.00 | 13.10 | 17.20 | 15.15 | % | 0.43 | 0 | 0 | 2.78 | -1.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 PM EST | |||
| 40.00 | 18.10 | 22.20 | 20.15 | % | 0.50 | 0 | 0 | 3.09 | -1.00 | 0.00 | 0.00 | 7/28/2026 1:58:54 PM EST |