Options Chain for ENERGY RECOVERY INC COM (ERII) - $6.86 as of 10/27/2026 8:53:56 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 | 3.30 | 5.30 | 4.30 | % | 1.72 | 0 | 0 | 4.20 | 1.00 | 0.00 | 0.00 | 10/27/2026 3:59:52 PM EST | |||
| 5.00 | 1.05 | 2.90 | 1.98 | % | 0.40 | 0 | 0 | 1.94 | 0.91 | 0.08 | -0.01 | 10/27/2026 3:59:52 PM EST | |||
| 7.50 | 0.05 | 1.40 | 0.73 | % | 0.10 | 0 | 0 | 0.82 | 0.50 | 0.19 | -0.01 | 10/27/2026 3:59:52 PM EST | |||
| 10.00 | 0.00 | 0.50 | 0.25 | % | 0.03 | 0 | 0 | 1.21 | 0.18 | 0.12 | -0.01 | 10/27/2026 3:59:52 PM EST | |||
| 12.50 | 0.00 | 0.95 | 0.48 | % | 0.04 | 0 | 0 | 2.06 | 0.05 | 0.05 | 0.00 | 10/27/2026 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 | 0.95 | 0.48 | % | 0.19 | 0 | 0 | 4.55 | 0.00 | 0.00 | 0.00 | 10/27/2026 3:59:52 PM EST | |||
| 5.00 | 0.00 | 0.25 | 0.13 | % | 0.03 | 0 | 0 | 1.09 | -0.09 | 0.08 | -0.01 | 10/27/2026 3:59:52 PM EST | |||
| 7.50 | 0.10 | 2.05 | 1.08 | % | 0.14 | 0 | 0 | 1.78 | -0.50 | 0.19 | -0.01 | 10/27/2026 3:59:52 PM EST | |||
| 10.00 | 2.25 | 4.20 | 3.23 | % | 0.32 | 0 | 0 | 2.12 | -0.82 | 0.12 | -0.01 | 10/27/2026 3:59:52 PM EST | |||
| 12.50 | 5.00 | 6.50 | 5.75 | % | 0.46 | 0 | 0 | 2.37 | -0.95 | 0.05 | 0.00 | 10/27/2026 3:59:52 PM EST |