Options Chain for COSTAR GROUP INC COM (CSGP) - $37.40 as of 4/10/2026 7:09:08 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
35.00 3.10 4.90 4.00 2.90 0.00 0.00% 0.11 0 4 1.95 0.99 0.01 -0.01 4/14/2026 4/15/2026 4:00:03 PM EST
40.00 0.25 0.50 0.38 0.43 +0.28 +186.67% 0.01 2,769 8,547 0.55 0.37 0.21 -0.17 4/15/2026 4/15/2026 4:00:03 PM EST
45.00 0.00 0.05 0.03 0.04 -0.02 -33.34% 0.00 17 1,942 1.04 0.00 0.00 0.00 4/15/2026 4/15/2026 4:00:03 PM EST
50.00 0.00 0.10 0.05 0.01 0.00 0.00% 0.00 1 1,202 1.66 0.00 0.00 0.00 4/15/2026 4/15/2026 4:00:03 PM EST
55.00 0.00 0.50 0.25 0.08 0.00 0.00% 0.00 0 409 2.19 0.00 0.00 0.00 4/13/2026 4/15/2026 4:00:03 PM EST
60.00 0.00 0.20 0.10 0.24 0.00 0.00% 0.00 0 2,353 3.31 0.00 0.00 0.00 3/30/2026 4/15/2026 4:00:03 PM EST
65.00 0.00 0.50 0.25 0.05 0.00 0.00% 0.00 0 160 4.56 0.00 0.00 0.00 3/23/2026 4/15/2026 4:00:03 PM EST
70.00 0.00 0.50 0.25 % 0.00 0 62 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
75.00 0.00 0.50 0.25 0.10 0.00 0.00% 0.00 0 1,173 0.00 0.00 0.00 0.00 3/31/2026 4/15/2026 4:00:03 PM EST
80.00 0.00 0.50 0.25 % 0.00 0 558 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
85.00 0.00 0.50 0.25 % 0.00 0 58 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
90.00 0.00 0.50 0.25 % 0.00 0 32 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
95.00 0.00 0.50 0.25 % 0.00 0 2 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
100.00 0.00 0.50 0.25 0.05 0.00 0.00% 0.00 0 11 0.00 0.00 0.00 0.00 4/7/2026 4/15/2026 4:00:03 PM EST
105.00 0.00 0.50 0.25 % 0.00 0 10 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
110.00 0.00 0.50 0.25 % 0.00 0 0 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
115.00 0.00 0.50 0.25 % 0.00 0 0 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
120.00 0.00 0.50 0.25 0.10 0.00 0.00% 0.00 0 1 0.00 0.00 0.00 0.00 3/23/2026 4/15/2026 4:00:03 PM EST
125.00 0.00 0.50 0.25 % 0.00 0 0 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
130.00 0.00 0.50 0.25 % 0.00 0 0 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 PM EST
135.00 0.00 5.00 2.50 % 0.02 0 0 0.00 0.00 0.00 0.00 4/15/2026 4:00:03 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
35.00 0.00 0.40 0.20 0.15 0.00 0.00% 0.01 0 173 1.62 -0.01 0.01 -0.01 4/14/2026 4/15/2026 4:00:03 PM EST
40.00 0.60 1.70 1.15 1.00 -1.53 -60.48% 0.03 41 1,058 1.10 -0.63 0.21 -0.17 4/15/2026 4/15/2026 4:00:03 PM EST
45.00 5.30 6.00 5.65 7.90 0.00 0.00% 0.13 0 283 1.50 -1.00 0.00 0.00 4/9/2026 4/15/2026 4:00:03 PM EST
50.00 9.90 12.00 10.95 13.85 0.00 0.00% 0.22 0 111 3.71 -1.00 0.00 0.00 4/10/2026 4/15/2026 4:00:03 PM EST
55.00 15.10 16.90 16.00 18.85 0.00 0.00% 0.29 0 183 4.39 -1.00 0.00 0.00 4/10/2026 4/15/2026 4:00:03 PM EST
60.00 19.60 22.00 20.80 21.60 0.00 0.00% 0.35 0 45 5.21 -1.00 0.00 0.00 4/9/2026 4/15/2026 4:00:03 PM EST
65.00 25.30 26.90 26.10 29.00 0.00 0.00% 0.40 0 42 5.68 -1.00 0.00 0.00 4/9/2026 4/15/2026 4:00:03 PM EST
70.00 29.80 32.00 30.90 27.06 0.00 0.00% 0.44 0 0 6.35 -1.00 0.00 0.00 3/23/2026 4/15/2026 4:00:03 PM EST
75.00 35.00 37.00 36.00 33.94 0.00 0.00% 0.48 0 4 6.84 -1.00 0.00 0.00 3/24/2026 4/15/2026 4:00:03 PM EST
80.00 40.40 42.00 41.20 41.50 % 0.52 2 2 7.28 -1.00 0.00 0.00 4/15/2026 4/15/2026 4:00:03 PM EST
85.00 45.00 47.00 46.00 % 0.54 0 0 7.69 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
90.00 50.20 52.00 51.10 % 0.57 0 0 8.07 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
95.00 55.20 57.00 56.10 % 0.59 0 0 8.42 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
100.00 60.00 62.00 61.00 % 0.61 0 0 8.75 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
105.00 65.20 67.00 66.10 % 0.63 0 0 9.06 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
110.00 70.20 72.00 71.10 % 0.65 0 0 9.35 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
115.00 75.20 77.00 76.10 % 0.66 0 0 9.62 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
120.00 80.20 82.00 81.10 % 0.68 0 0 9.88 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
125.00 85.20 87.00 86.10 % 0.69 0 0 0.00 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
130.00 90.20 92.00 91.10 % 0.70 0 0 0.00 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST
135.00 94.20 97.70 95.95 % 0.71 0 0 0.00 -1.00 0.00 0.00 4/15/2026 4:00:03 PM EST