Options Chain for NATIONAL STORAGE AFFILIATES TR COM SHS BEN IN (NSA) - $31.83 as of 1/30/2026 3:34:42 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
15.00 14.90 19.00 16.95 % 1.13 0 0 4.37 1.00 0.00 0.00 1/30/2026 4:00:01 PM EST
17.50 12.90 16.00 14.45 % 0.83 0 0 3.36 1.00 0.00 0.00 1/30/2026 4:00:01 PM EST
20.00 10.20 13.50 11.85 11.80 +3.23 +37.69% 0.59 2 2 2.82 1.00 0.00 0.00 1/30/2026 1/30/2026 4:00:01 PM EST
22.50 7.90 11.40 9.65 % 0.43 0 0 2.53 1.00 0.00 0.00 1/30/2026 4:00:01 PM EST
25.00 5.50 9.00 7.25 2.97 0.00 0.00% 0.29 0 4 2.11 1.00 0.00 0.00 12/24/2025 1/30/2026 4:00:01 PM EST
30.00 0.90 3.60 2.25 2.72 0.00 0.00% 0.07 0 53 1.09 0.68 0.13 -0.02 1/26/2026 1/30/2026 4:00:01 PM EST
35.00 0.00 2.20 1.10 0.55 0.00 0.00% 0.03 0 16 1.27 0.18 0.07 -0.02 1/15/2026 1/30/2026 4:00:01 PM EST
40.00 0.00 2.15 1.08 % 0.03 0 0 1.68 0.02 0.01 0.00 1/30/2026 4:00:01 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
15.00 0.00 2.15 1.08 % 0.07 0 0 3.70 0.00 0.00 0.00 1/30/2026 4:00:01 PM EST
17.50 0.00 2.15 1.08 % 0.06 0 0 3.09 0.00 0.00 0.00 1/30/2026 4:00:01 PM EST
20.00 0.00 2.15 1.08 % 0.05 0 0 2.56 0.00 0.00 0.00 1/30/2026 4:00:01 PM EST
22.50 0.00 2.15 1.08 % 0.05 0 0 2.10 0.00 0.00 0.00 1/30/2026 4:00:01 PM EST
25.00 0.00 2.15 1.08 0.05 0.00 0.00% 0.04 0 1 1.67 0.00 0.00 0.00 12/22/2025 1/30/2026 4:00:01 PM EST
30.00 0.20 2.50 1.35 0.27 0.00 0.00% 0.05 0 31 0.56 -0.32 0.13 -0.02 1/27/2026 1/30/2026 4:00:01 PM EST
35.00 1.45 4.70 3.08 % 0.09 0 0 0.51 -0.82 0.07 -0.02 1/30/2026 4:00:01 PM EST
40.00 6.40 9.70 8.05 % 0.20 0 0 0.83 -0.98 0.01 0.00 1/30/2026 4:00:01 PM EST