Options Chain for ENANTA PHARMACEUTICALS INC COM (ENTA) - $13.81 as of 5/15/2026 7:18:13 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 | 9.30 | 12.90 | 11.10 | % | 4.44 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 5.00 | 7.00 | 10.40 | 8.70 | % | 1.74 | 0 | 0 | 5.66 | 1.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 7.50 | 4.50 | 7.90 | 6.20 | % | 0.83 | 0 | 0 | 3.74 | 1.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 10.00 | 2.00 | 5.60 | 3.80 | % | 0.38 | 0 | 0 | 2.70 | 0.94 | 0.06 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 12.50 | 0.10 | 3.90 | 2.00 | 1.87 | 0.00 | 0.00% | 0.16 | 0 | 3 | 2.25 | 0.66 | 0.14 | -0.01 | 5/14/2026 | 5/15/2026 3:59:56 PM EST |
| 15.00 | 0.30 | 1.55 | 0.93 | 0.65 | -0.25 | -27.78% | 0.06 | 108 | 26 | 0.68 | 0.31 | 0.13 | -0.01 | 5/15/2026 | 5/15/2026 3:59:56 PM EST |
| 17.50 | 0.00 | 2.20 | 1.10 | 0.60 | 0.00 | 0.00% | 0.06 | 0 | 6 | 2.15 | 0.09 | 0.06 | -0.01 | 5/13/2026 | 5/15/2026 3:59:56 PM EST |
| 20.00 | 0.00 | 2.15 | 1.08 | % | 0.05 | 0 | 0 | 2.43 | 0.02 | 0.02 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 22.50 | 0.00 | 2.15 | 1.08 | % | 0.05 | 0 | 0 | 2.69 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 25.00 | 0.00 | 2.10 | 1.05 | % | 0.04 | 0 | 0 | 2.87 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 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 | 2.15 | 1.08 | % | 0.43 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 5.00 | 0.00 | 2.15 | 1.08 | % | 0.22 | 0 | 0 | 5.81 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 7.50 | 0.00 | 2.15 | 1.08 | % | 0.14 | 0 | 0 | 3.84 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 10.00 | 0.00 | 2.20 | 1.10 | % | 0.11 | 0 | 0 | 2.64 | -0.06 | 0.06 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 12.50 | 0.30 | 1.90 | 1.10 | 0.95 | +0.20 | +26.67% | 0.09 | 11 | 12 | 0.62 | -0.34 | 0.14 | -0.01 | 5/15/2026 | 5/15/2026 3:59:56 PM EST |
| 15.00 | 1.00 | 4.20 | 2.60 | 1.55 | 0.00 | 0.00% | 0.17 | 0 | 14 | 1.95 | -0.69 | 0.13 | -0.01 | 5/12/2026 | 5/15/2026 3:59:56 PM EST |
| 17.50 | 2.15 | 6.00 | 4.08 | % | 0.23 | 0 | 0 | 1.93 | -0.91 | 0.06 | -0.01 | 5/15/2026 3:59:56 PM EST | |||
| 20.00 | 4.60 | 8.20 | 6.40 | % | 0.32 | 0 | 0 | 2.05 | -0.98 | 0.02 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 22.50 | 7.10 | 10.70 | 8.90 | % | 0.40 | 0 | 0 | 2.31 | -1.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST | |||
| 25.00 | 9.60 | 13.20 | 11.40 | % | 0.46 | 0 | 0 | 2.52 | -1.00 | 0.00 | 0.00 | 5/15/2026 3:59:56 PM EST |