Options Chain for ENERGY RECOVERY INC COM (ERII) - $14.80 as of 1/28/2026 9:11:18 AM 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 | 10.90 | 13.30 | 12.10 | % | 4.84 | 0 | 0 | 9.76 | 1.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 5.00 | 8.80 | 10.30 | 9.55 | % | 1.91 | 0 | 0 | 4.60 | 1.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 7.50 | 6.30 | 7.80 | 7.05 | % | 0.94 | 0 | 0 | 3.09 | 1.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 10.00 | 4.00 | 5.20 | 4.60 | 4.78 | 0.00 | 0.00% | 0.46 | 0 | 14 | 1.95 | 1.00 | 0.00 | 0.00 | 9/3/2025 | 1/28/2026 10:59:03 AM EST |
| 12.50 | 1.75 | 2.55 | 2.15 | 1.90 | 0.00 | 0.00% | 0.17 | 0 | 57 | 1.02 | 0.98 | 0.10 | 0.00 | 1/26/2026 | 1/28/2026 10:59:03 AM EST |
| 15.00 | 0.10 | 0.55 | 0.33 | 0.35 | 0.00 | 0.00% | 0.02 | 0 | 763 | 0.35 | 0.35 | 0.29 | -0.01 | 1/26/2026 | 1/28/2026 10:59:03 AM EST |
| 17.50 | 0.00 | 0.70 | 0.35 | 0.10 | 0.00 | 0.00% | 0.02 | 0 | 264 | 1.15 | 0.02 | 0.03 | 0.00 | 1/14/2026 | 1/28/2026 10:59:03 AM EST |
| 20.00 | 0.00 | 0.75 | 0.38 | 0.05 | 0.00 | 0.00% | 0.02 | 0 | 60 | 1.56 | 0.00 | 0.00 | 0.00 | 1/12/2026 | 1/28/2026 10:59:03 AM EST |
| 22.50 | 0.00 | 0.75 | 0.38 | 0.08 | 0.00 | 0.00% | 0.02 | 0 | 20 | 1.85 | 0.00 | 0.00 | 0.00 | 9/17/2025 | 1/28/2026 10:59:03 AM EST |
| 25.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 2.09 | 0.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 30.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 2.48 | 0.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM 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 | 7.20 | 0.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 5.00 | 0.00 | 0.75 | 0.38 | % | 0.08 | 0 | 0 | 4.35 | 0.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 7.50 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 2.92 | 0.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 10.00 | 0.00 | 0.75 | 0.38 | 0.06 | 0.00 | 0.00% | 0.04 | 0 | 25 | 1.93 | 0.00 | 0.00 | 0.00 | 12/26/2025 | 1/28/2026 10:59:03 AM EST |
| 12.50 | 0.00 | 0.20 | 0.10 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 424 | 0.62 | -0.02 | 0.10 | 0.00 | 1/6/2026 | 1/28/2026 10:59:03 AM EST |
| 15.00 | 0.45 | 1.25 | 0.85 | 0.70 | -0.85 | -54.84% | 0.06 | 2 | 30 | 0.36 | -0.65 | 0.29 | -0.01 | 1/28/2026 | 1/28/2026 10:59:03 AM EST |
| 17.50 | 2.40 | 3.60 | 3.00 | % | 0.17 | 0 | 0 | 1.02 | -0.98 | 0.03 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 20.00 | 4.90 | 6.00 | 5.45 | % | 0.27 | 0 | 0 | 1.28 | -1.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 22.50 | 7.30 | 8.70 | 8.00 | % | 0.36 | 0 | 0 | 1.75 | -1.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 25.00 | 9.70 | 11.20 | 10.45 | % | 0.42 | 0 | 0 | 2.00 | -1.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST | |||
| 30.00 | 14.30 | 16.60 | 15.45 | % | 0.52 | 0 | 0 | 2.77 | -1.00 | 0.00 | 0.00 | 1/28/2026 10:59:03 AM EST |