Options Chain for ENERGY RECOVERY INC COM (ERII) - $6.84 as of 10/9/2026 6:51:06 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 | 3.80 | 5.00 | 4.40 | % | 1.76 | 0 | 0 | 9.69 | 1.00 | 0.00 | 0.00 | 10/9/2026 3:59:58 PM EST | |||
| 5.00 | 1.60 | 2.25 | 1.93 | 2.11 | 0.00 | 0.00% | 0.39 | 0 | 10 | 3.32 | 1.00 | 0.00 | 0.00 | 9/14/2026 | 10/9/2026 3:59:58 PM EST |
| 7.50 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 81 | 0.63 | 0.13 | 0.41 | -0.01 | 9/30/2026 | 10/9/2026 3:59:58 PM EST |
| 10.00 | 0.00 | 0.05 | 0.03 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 1 | 1.74 | 0.00 | 0.00 | 0.00 | 8/25/2026 | 10/9/2026 3:59:58 PM EST |
| 12.50 | 0.00 | 0.75 | 0.38 | % | 0.03 | 0 | 0 | 5.26 | 0.00 | 0.00 | 0.00 | 10/9/2026 3:59:58 PM EST | |||
| 15.00 | 0.00 | 0.50 | 0.25 | % | 0.02 | 0 | 0 | 5.22 | 0.00 | 0.00 | 0.00 | 10/9/2026 3:59:58 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 | 10/9/2026 3:59:58 PM EST | |||
| 5.00 | 0.00 | 0.75 | 0.38 | % | 0.08 | 0 | 0 | 4.70 | 0.00 | 0.00 | 0.00 | 10/9/2026 3:59:58 PM EST | |||
| 7.50 | 0.45 | 1.00 | 0.73 | 0.70 | 0.00 | 0.00% | 0.10 | 0 | 8 | 1.60 | -0.87 | 0.41 | -0.01 | 10/6/2026 | 10/9/2026 3:59:58 PM EST |
| 10.00 | 2.50 | 3.70 | 3.10 | % | 0.31 | 0 | 0 | 3.71 | -1.00 | 0.00 | 0.00 | 10/9/2026 3:59:58 PM EST | |||
| 12.50 | 5.10 | 6.30 | 5.70 | % | 0.46 | 0 | 0 | 5.02 | -1.00 | 0.00 | 0.00 | 10/9/2026 3:59:58 PM EST | |||
| 15.00 | 7.40 | 8.90 | 8.15 | % | 0.54 | 0 | 0 | 6.07 | -1.00 | 0.00 | 0.00 | 10/9/2026 3:59:58 PM EST |