Options Chain for ENERGY RECOVERY INC COM (ERII) - $15.35 as of 10/8/2025 4:01:30 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 | 12.10 | 14.10 | 13.10 | % | 5.24 | 0 | 0 | 9.42 | 1.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 5.00 | 9.10 | 11.50 | 10.30 | % | 2.06 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 7.50 | 6.60 | 9.40 | 8.00 | % | 1.07 | 0 | 0 | 6.38 | 1.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 10.00 | 5.10 | 6.90 | 6.00 | % | 0.60 | 0 | 0 | 4.64 | 1.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 12.50 | 2.75 | 4.20 | 3.48 | 3.10 | 0.00 | 0.00% | 0.28 | 0 | 14 | 2.73 | 1.00 | 0.00 | 0.00 | 10/1/2025 | 10/8/2025 2:58:57 PM EST |
| 15.00 | 0.60 | 0.75 | 0.68 | 1.07 | 0.00 | 0.00% | 0.05 | 0 | 258 | 0.40 | 0.68 | 0.38 | -0.02 | 10/3/2025 | 10/8/2025 2:58:57 PM EST |
| 17.50 | 0.00 | 0.05 | 0.03 | 0.03 | -0.07 | -70.00% | 0.00 | 1 | 117 | 0.56 | 0.02 | 0.05 | 0.00 | 10/8/2025 | 10/8/2025 2:58:57 PM EST |
| 20.00 | 0.00 | 0.60 | 0.30 | % | 0.01 | 0 | 0 | 1.96 | 0.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 22.50 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 2.63 | 0.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 25.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 3.04 | 0.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 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 | 0.75 | 0.38 | % | 0.15 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 5.00 | 0.00 | 0.75 | 0.38 | % | 0.08 | 0 | 0 | 7.18 | 0.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 7.50 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 4.91 | 0.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 10.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 1.58 | 0.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 12.50 | 0.00 | 0.45 | 0.23 | 0.05 | 0.00 | 0.00% | 0.02 | 0 | 20 | 0.87 | 0.00 | 0.00 | 0.00 | 9/17/2025 | 10/8/2025 2:58:57 PM EST |
| 15.00 | 0.10 | 0.25 | 0.18 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 148 | 0.39 | -0.32 | 0.38 | -0.02 | 10/3/2025 | 10/8/2025 2:58:57 PM EST |
| 17.50 | 0.85 | 3.50 | 2.18 | % | 0.12 | 0 | 0 | 0.71 | -0.98 | 0.05 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 20.00 | 4.20 | 5.40 | 4.80 | % | 0.24 | 0 | 0 | 1.40 | -1.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 22.50 | 6.00 | 8.30 | 7.15 | % | 0.32 | 0 | 0 | 1.56 | -1.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST | |||
| 25.00 | 9.20 | 10.70 | 9.95 | % | 0.40 | 0 | 0 | 1.89 | -1.00 | 0.00 | 0.00 | 10/8/2025 2:58:57 PM EST |