Options Chain for ENANTA PHARMACEUTICALS INC COM (ENTA) - $13.16 as of 8/16/2026 8:54:58 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 | 8.80 | 12.60 | 10.70 | 11.03 | 0.00 | 0.00% | 4.28 | 0 | 1 | 0.00 | 1.00 | 0.00 | 0.00 | 8/12/2026 | 8/14/2026 3:59:52 PM EST |
| 5.00 | 6.40 | 10.10 | 8.25 | % | 1.65 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/14/2026 3:59:52 PM EST | |||
| 7.50 | 3.80 | 7.60 | 5.70 | % | 0.76 | 0 | 0 | 7.85 | 1.00 | 0.00 | 0.00 | 8/14/2026 3:59:52 PM EST | |||
| 10.00 | 1.25 | 5.10 | 3.18 | % | 0.32 | 0 | 0 | 5.25 | 0.98 | 0.03 | -0.01 | 8/14/2026 3:59:52 PM EST | |||
| 12.50 | 0.00 | 3.00 | 1.50 | 1.55 | 0.00 | 0.00% | 0.12 | 0 | 11 | 2.46 | 0.68 | 0.20 | -0.05 | 8/7/2026 | 8/14/2026 3:59:52 PM EST |
| 15.00 | 0.00 | 0.80 | 0.40 | 0.40 | 0.00 | 0.00% | 0.03 | 0 | 291 | 1.99 | 0.20 | 0.15 | -0.04 | 8/4/2026 | 8/14/2026 3:59:52 PM EST |
| 17.50 | 0.00 | 2.15 | 1.08 | 0.40 | 0.00 | 0.00% | 0.06 | 0 | 9 | 4.76 | 0.03 | 0.03 | -0.01 | 8/4/2026 | 8/14/2026 3:59:52 PM EST |
| 20.00 | 0.00 | 2.15 | 1.08 | % | 0.05 | 0 | 0 | 5.45 | 0.00 | 0.00 | 0.00 | 8/14/2026 3:59:52 PM EST | |||
| 22.50 | 0.00 | 2.15 | 1.08 | % | 0.05 | 0 | 0 | 6.01 | 0.00 | 0.00 | 0.00 | 8/14/2026 3:59:52 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 | 0.02 | 0.00 | 0.00% | 0.01 | 0 | 34 | 0.00 | 0.00 | 0.00 | 0.00 | 8/3/2026 | 8/14/2026 3:59:52 PM EST |
| 5.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 4 | 3.76 | 0.00 | 0.00 | 0.00 | 7/21/2026 | 8/14/2026 3:59:52 PM EST |
| 7.50 | 0.00 | 0.05 | 0.03 | 0.06 | 0.00 | 0.00% | 0.00 | 0 | 4 | 2.32 | 0.00 | 0.00 | 0.00 | 7/30/2026 | 8/14/2026 3:59:52 PM EST |
| 10.00 | 0.00 | 2.15 | 1.08 | 0.17 | 0.00 | 0.00% | 0.11 | 0 | 1 | 5.66 | -0.02 | 0.03 | -0.01 | 8/5/2026 | 8/14/2026 3:59:52 PM EST |
| 12.50 | 0.00 | 0.30 | 0.15 | 0.46 | 0.00 | 0.00% | 0.01 | 0 | 558 | 0.81 | -0.32 | 0.20 | -0.05 | 8/5/2026 | 8/14/2026 3:59:52 PM EST |
| 15.00 | 0.20 | 3.60 | 1.90 | % | 0.13 | 0 | 0 | 3.36 | -0.80 | 0.15 | -0.04 | 8/14/2026 3:59:52 PM EST | |||
| 17.50 | 2.45 | 6.20 | 4.33 | % | 0.25 | 0 | 0 | 4.39 | -0.97 | 0.03 | -0.01 | 8/14/2026 3:59:52 PM EST | |||
| 20.00 | 4.90 | 8.80 | 6.85 | % | 0.34 | 0 | 0 | 5.22 | -1.00 | 0.00 | 0.00 | 8/14/2026 3:59:52 PM EST | |||
| 22.50 | 7.40 | 11.20 | 9.30 | % | 0.41 | 0 | 0 | 5.63 | -1.00 | 0.00 | 0.00 | 8/14/2026 3:59:52 PM EST |