Options Chain for ENERGY RECOVERY INC COM (ERII) - $11.05 as of 4/24/2026 7:59:01 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 | 7.90 | 10.10 | 9.00 | % | 3.60 | 0 | 0 | 6.01 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 5.00 | 5.40 | 6.80 | 6.10 | % | 1.22 | 0 | 0 | 2.18 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 7.50 | 3.20 | 5.10 | 4.15 | % | 0.55 | 0 | 0 | 2.03 | 0.96 | 0.03 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 10.00 | 0.05 | 4.00 | 2.03 | 2.05 | 0.00 | 0.00% | 0.20 | 0 | 5 | 2.08 | 0.73 | 0.12 | -0.01 | 4/22/2026 | 4/24/2026 4:00:07 PM EST |
| 12.50 | 0.25 | 1.10 | 0.68 | 0.73 | -0.02 | -2.67% | 0.05 | 12 | 26 | 0.63 | 0.39 | 0.14 | -0.01 | 4/24/2026 | 4/24/2026 4:00:07 PM EST |
| 15.00 | 0.00 | 0.45 | 0.23 | % | 0.02 | 0 | 0 | 0.84 | 0.15 | 0.08 | -0.01 | 4/24/2026 4:00:07 PM EST | |||
| 17.50 | 0.00 | 0.55 | 0.28 | % | 0.02 | 0 | 0 | 1.16 | 0.05 | 0.04 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 20.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.51 | 0.01 | 0.01 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 22.50 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.68 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:07 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 | 4.40 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 5.00 | 0.00 | 0.40 | 0.20 | % | 0.04 | 0 | 0 | 1.97 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 7.50 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 1.51 | -0.04 | 0.03 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 10.00 | 0.15 | 1.05 | 0.60 | 0.72 | 0.00 | 0.00% | 0.06 | 0 | 7 | 0.68 | -0.27 | 0.12 | -0.01 | 4/23/2026 | 4/24/2026 4:00:07 PM EST |
| 12.50 | 1.35 | 2.45 | 1.90 | % | 0.15 | 0 | 0 | 0.65 | -0.61 | 0.14 | -0.01 | 4/24/2026 4:00:07 PM EST | |||
| 15.00 | 3.40 | 4.70 | 4.05 | % | 0.27 | 0 | 0 | 1.21 | -0.85 | 0.08 | -0.01 | 4/24/2026 4:00:07 PM EST | |||
| 17.50 | 4.30 | 7.20 | 5.75 | % | 0.33 | 0 | 0 | 1.48 | -0.95 | 0.04 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 20.00 | 8.20 | 9.70 | 8.95 | % | 0.45 | 0 | 0 | 1.70 | -0.99 | 0.01 | 0.00 | 4/24/2026 4:00:07 PM EST | |||
| 22.50 | 10.30 | 12.70 | 11.50 | % | 0.51 | 0 | 0 | 2.21 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:07 PM EST |