Options Chain for ENERGY RECOVERY INC COM (ERII) - $9.55 as of 6/18/2026 4:44:44 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 6.20 7.80 7.00 6.70 0.00 0.00% 2.80 0 2 6.09 1.00 0.00 0.00 6/17/2026 6/18/2026 3:59:55 PM EST
5.00 3.90 5.20 4.55 % 0.91 0 0 3.04 1.00 0.00 0.00 6/18/2026 3:59:55 PM EST
7.50 1.65 2.55 2.10 2.25 0.00 0.00% 0.28 0 74 1.42 0.89 0.10 -0.01 6/17/2026 6/18/2026 3:59:55 PM EST
10.00 0.50 0.65 0.58 0.55 +0.19 +52.78% 0.06 2,713 6,002 0.76 0.43 0.20 -0.01 6/18/2026 6/18/2026 3:59:55 PM EST
12.50 0.05 0.25 0.15 0.15 +0.06 +66.67% 0.01 29 19 0.82 0.11 0.10 -0.01 6/18/2026 6/18/2026 3:59:55 PM EST
15.00 0.00 0.75 0.38 0.25 0.00 0.00% 0.03 0 1 1.98 0.02 0.02 0.00 5/21/2026 6/18/2026 3:59:55 PM EST
17.50 0.00 0.75 0.38 % 0.02 0 0 2.31 0.00 0.00 0.00 6/18/2026 3:59:55 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 0.40 0.20 % 0.08 0 0 4.46 0.00 0.00 0.00 6/18/2026 3:59:55 PM EST
5.00 0.00 0.25 0.13 % 0.03 0 0 2.02 0.00 0.00 0.00 6/18/2026 3:59:55 PM EST
7.50 0.00 0.45 0.23 0.10 -0.15 -60.00% 0.03 1 11 1.25 -0.12 0.10 -0.01 6/18/2026 6/18/2026 3:59:55 PM EST
10.00 0.95 1.25 1.10 1.20 -0.10 -7.70% 0.11 1 12 0.72 -0.57 0.20 -0.01 6/18/2026 6/18/2026 3:59:55 PM EST
12.50 2.40 3.60 3.00 % 0.24 0 0 1.37 -0.89 0.10 -0.01 6/18/2026 3:59:55 PM EST
15.00 4.90 6.00 5.45 % 0.36 0 0 1.67 -0.98 0.02 0.00 6/18/2026 3:59:55 PM EST
17.50 7.20 8.60 7.90 % 0.45 0 0 2.12 -1.00 0.00 0.00 6/18/2026 3:59:55 PM EST