Options Chain for ENERGY RECOVERY INC COM (ERII) - $14.73 as of 8/22/2025 8:03:57 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 | 10.80 | 14.20 | 12.50 | % | 5.00 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 5.00 | 8.60 | 11.70 | 10.15 | % | 2.03 | 0 | 0 | 6.14 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 7.50 | 5.70 | 9.20 | 7.45 | % | 0.99 | 0 | 0 | 4.16 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 10.00 | 4.40 | 5.80 | 5.10 | % | 0.51 | 0 | 0 | 2.35 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 12.50 | 2.20 | 2.60 | 2.40 | 1.87 | 0.00 | 0.00% | 0.19 | 0 | 37 | 0.71 | 0.97 | 0.05 | 0.00 | 8/21/2025 | 8/22/2025 3:59:47 PM EST |
| 15.00 | 0.40 | 0.50 | 0.45 | 0.45 | +0.15 | +50.00% | 0.03 | 15 | 52 | 0.34 | 0.45 | 0.29 | -0.01 | 8/22/2025 | 8/22/2025 3:59:47 PM EST |
| 17.50 | 0.00 | 0.15 | 0.08 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 1,030 | 0.47 | 0.04 | 0.06 | 0.00 | 8/5/2025 | 8/22/2025 3:59:47 PM EST |
| 20.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.34 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 22.50 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.61 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 25.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.83 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 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 | 0.65 | 0.33 | % | 0.13 | 0 | 0 | 6.60 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 5.00 | 0.00 | 0.65 | 0.33 | % | 0.07 | 0 | 0 | 4.01 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 7.50 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 2.71 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 10.00 | 0.00 | 0.75 | 0.38 | % | 0.04 | 0 | 0 | 1.82 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 12.50 | 0.00 | 2.10 | 1.05 | 0.05 | 0.00 | 0.00% | 0.08 | 0 | 36 | 2.11 | -0.03 | 0.05 | 0.00 | 8/14/2025 | 8/22/2025 3:59:47 PM EST |
| 15.00 | 0.00 | 1.85 | 0.93 | 1.00 | 0.00 | 0.00% | 0.06 | 0 | 20 | 0.49 | -0.55 | 0.29 | -0.01 | 8/7/2025 | 8/22/2025 3:59:47 PM EST |
| 17.50 | 2.50 | 3.10 | 2.80 | % | 0.16 | 0 | 0 | 0.65 | -0.96 | 0.06 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 20.00 | 5.00 | 5.60 | 5.30 | % | 0.27 | 0 | 0 | 0.99 | -1.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 22.50 | 7.60 | 8.10 | 7.85 | % | 0.35 | 0 | 0 | 1.23 | -1.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST | |||
| 25.00 | 10.00 | 10.60 | 10.30 | % | 0.41 | 0 | 0 | 1.55 | -1.00 | 0.00 | 0.00 | 8/22/2025 3:59:47 PM EST |