Options Chain for ENERGY RECOVERY INC COM (ERII) - $7.92 as of 6/11/2026 7:31:59 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 | 5.00 | 6.30 | 5.65 | 6.24 | 0.00 | 0.00% | 2.26 | 0 | 1 | 2.08 | 0.99 | 0.00 | 0.00 | 5/20/2026 | 6/11/2026 3:59:49 PM EST |
| 5.00 | 3.00 | 3.70 | 3.35 | 3.40 | -0.60 | -15.00% | 0.67 | 10 | 27 | 0.93 | 0.91 | 0.04 | 0.00 | 6/11/2026 | 6/11/2026 3:59:49 PM EST |
| 7.50 | 1.20 | 2.30 | 1.75 | 1.85 | 0.00 | 0.00% | 0.23 | 0 | 38 | 0.64 | 0.67 | 0.10 | 0.00 | 6/9/2026 | 6/11/2026 3:59:49 PM EST |
| 10.00 | 0.50 | 1.30 | 0.90 | 0.78 | -0.12 | -13.34% | 0.09 | 11 | 339 | 0.67 | 0.40 | 0.11 | 0.00 | 6/11/2026 | 6/11/2026 3:59:49 PM EST |
| 12.50 | 0.00 | 0.50 | 0.25 | 0.35 | 0.00 | 0.00% | 0.02 | 0 | 348 | 0.71 | 0.21 | 0.09 | 0.00 | 6/3/2026 | 6/11/2026 3:59:49 PM EST |
| 15.00 | 0.05 | 0.35 | 0.20 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 336 | 0.64 | 0.11 | 0.05 | 0.00 | 6/8/2026 | 6/11/2026 3:59:49 PM EST |
| 17.50 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.02 | 0 | 5 | 1.14 | 0.05 | 0.03 | 0.00 | 5/28/2026 | 6/11/2026 3:59:49 PM EST |
| 20.00 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 47 | 0.91 | 0.03 | 0.02 | 0.00 | 6/1/2026 | 6/11/2026 3:59:49 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 | 2.35 | -0.01 | 0.00 | 0.00 | 6/11/2026 3:59:49 PM EST | |||
| 5.00 | 0.00 | 0.40 | 0.20 | 0.12 | % | 0.04 | 3 | 0 | 0.89 | -0.09 | 0.04 | 0.00 | 6/11/2026 | 6/11/2026 3:59:49 PM EST | |
| 7.50 | 0.65 | 1.15 | 0.90 | 0.95 | -0.05 | -5.00% | 0.12 | 10,012 | 48 | 0.57 | -0.33 | 0.10 | 0.00 | 6/11/2026 | 6/11/2026 3:59:49 PM EST |
| 10.00 | 2.00 | 3.20 | 2.60 | 2.50 | 0.00 | 0.00% | 0.26 | 0 | 47 | 0.67 | -0.60 | 0.11 | 0.00 | 5/29/2026 | 6/11/2026 3:59:49 PM EST |
| 12.50 | 4.00 | 5.20 | 4.60 | % | 0.37 | 0 | 0 | 0.99 | -0.79 | 0.09 | 0.00 | 6/11/2026 3:59:49 PM EST | |||
| 15.00 | 6.30 | 7.80 | 7.05 | % | 0.47 | 0 | 0 | 1.22 | -0.89 | 0.05 | 0.00 | 6/11/2026 3:59:49 PM EST | |||
| 17.50 | 8.80 | 10.30 | 9.55 | % | 0.55 | 0 | 0 | 1.37 | -0.95 | 0.03 | 0.00 | 6/11/2026 3:59:49 PM EST | |||
| 20.00 | 10.80 | 13.20 | 12.00 | % | 0.60 | 0 | 0 | 1.69 | -0.97 | 0.02 | 0.00 | 6/11/2026 3:59:49 PM EST |