Options Chain for COSTAR GROUP INC COM (CSGP) - $32.59 as of 11/5/2026 7:14:03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.00 | 17.10 | 19.00 | 18.05 | % | 1.29 | 0 | 0 | 2.02 | 1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 15.00 | 16.10 | 18.10 | 17.10 | % | 1.14 | 0 | 0 | 1.88 | 1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 16.00 | 15.20 | 17.20 | 16.20 | % | 1.01 | 0 | 0 | 1.81 | 1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 17.50 | 13.80 | 15.60 | 14.70 | % | 0.84 | 0 | 0 | 1.62 | 1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 19.00 | 12.10 | 13.90 | 13.00 | % | 0.68 | 0 | 0 | 1.44 | 0.99 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 20.00 | 11.20 | 12.90 | 12.05 | 11.80 | 0.00 | 0.00% | 0.60 | 0 | 3 | 1.33 | 0.99 | 0.00 | 0.00 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 21.00 | 10.30 | 12.00 | 11.15 | % | 0.53 | 0 | 0 | 1.27 | 0.98 | 0.01 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 22.50 | 9.00 | 10.50 | 9.75 | 8.90 | 0.00 | 0.00% | 0.43 | 0 | 27 | 1.11 | 0.97 | 0.01 | -0.01 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 24.00 | 7.40 | 8.50 | 7.95 | % | 0.33 | 0 | 0 | 0.75 | 0.94 | 0.02 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 25.00 | 6.70 | 8.00 | 7.35 | 7.10 | 0.00 | 0.00% | 0.29 | 0 | 34 | 0.87 | 0.91 | 0.03 | -0.01 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 26.00 | 6.00 | 7.10 | 6.55 | % | 0.25 | 0 | 0 | 0.82 | 0.88 | 0.03 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 27.00 | 5.00 | 5.90 | 5.45 | % | 0.20 | 0 | 0 | 0.66 | 0.84 | 0.04 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 28.00 | 4.40 | 5.40 | 4.90 | % | 0.18 | 0 | 0 | 0.54 | 0.79 | 0.05 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 29.00 | 3.60 | 4.70 | 4.15 | % | 0.14 | 0 | 0 | 0.53 | 0.74 | 0.05 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 30.00 | 2.80 | 3.90 | 3.35 | 2.92 | -1.58 | -35.12% | 0.11 | 4 | 939 | 0.50 | 0.68 | 0.06 | -0.03 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 31.00 | 2.45 | 3.20 | 2.83 | 2.73 | 0.00 | 0.00% | 0.09 | 0 | 3 | 0.51 | 0.61 | 0.07 | -0.03 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 32.00 | 2.20 | 2.50 | 2.35 | 2.25 | 0.00 | 0.00% | 0.07 | 0 | 2 | 0.52 | 0.54 | 0.07 | -0.03 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 33.00 | 1.70 | 2.25 | 1.98 | 1.70 | -0.84 | -33.08% | 0.06 | 4 | 4 | 0.54 | 0.47 | 0.07 | -0.03 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 34.00 | 1.00 | 1.90 | 1.45 | 1.80 | 0.00 | 0.00% | 0.04 | 0 | 7 | 0.50 | 0.41 | 0.07 | -0.03 | 11/4/2026 | 11/5/2026 4:00:00 PM EST |
| 35.00 | 0.95 | 1.45 | 1.20 | 1.20 | -0.31 | -20.53% | 0.03 | 16 | 2,478 | 0.51 | 0.34 | 0.07 | -0.02 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 36.00 | 0.45 | 1.35 | 0.90 | 0.75 | 0.00 | 0.00% | 0.03 | 0 | 2 | 0.50 | 0.29 | 0.06 | -0.02 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 37.00 | 0.30 | 1.05 | 0.68 | % | 0.02 | 0 | 0 | 0.49 | 0.24 | 0.05 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 38.00 | 0.20 | 0.75 | 0.48 | 0.80 | 0.00 | 0.00% | 0.01 | 0 | 5 | 0.47 | 0.20 | 0.05 | -0.02 | 11/4/2026 | 11/5/2026 4:00:00 PM EST |
| 39.00 | 0.25 | 0.65 | 0.45 | 0.43 | 0.00 | 0.00% | 0.01 | 0 | 3 | 0.52 | 0.16 | 0.04 | -0.02 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 40.00 | 0.25 | 0.50 | 0.38 | 0.28 | -0.19 | -40.43% | 0.01 | 25 | 3,085 | 0.53 | 0.13 | 0.04 | -0.01 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 41.00 | 0.05 | 0.50 | 0.28 | % | 0.01 | 0 | 0 | 0.50 | 0.11 | 0.03 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 42.00 | 0.05 | 0.50 | 0.28 | % | 0.01 | 0 | 0 | 0.53 | 0.09 | 0.03 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 43.00 | 0.00 | 0.45 | 0.23 | % | 0.01 | 0 | 0 | 0.69 | 0.07 | 0.02 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 44.00 | 0.00 | 0.45 | 0.23 | % | 0.01 | 0 | 0 | 0.73 | 0.05 | 0.02 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 45.00 | 0.00 | 0.45 | 0.23 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 238 | 0.76 | 0.04 | 0.01 | -0.01 | 11/4/2026 | 11/5/2026 4:00:00 PM EST |
| 46.00 | 0.00 | 0.40 | 0.20 | % | 0.00 | 0 | 0 | 0.77 | 0.03 | 0.01 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 50.00 | 0.00 | 0.45 | 0.23 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 96 | 0.92 | 0.01 | 0.00 | 0.00 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 55.00 | 0.00 | 0.40 | 0.20 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 69 | 1.03 | 0.00 | 0.00 | 0.00 | 10/27/2026 | 11/5/2026 4:00:00 PM EST |
| 60.00 | 0.00 | 0.10 | 0.05 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 31 | 0.89 | 0.00 | 0.00 | 0.00 | 10/29/2026 | 11/5/2026 4:00:00 PM EST |
| 65.00 | 0.00 | 0.40 | 0.20 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 12 | 1.25 | 0.00 | 0.00 | 0.00 | 9/2/2026 | 11/5/2026 4:00:00 PM EST |
| 70.00 | 0.00 | 0.40 | 0.20 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 12 | 1.35 | 0.00 | 0.00 | 0.00 | 7/30/2026 | 11/5/2026 4:00:00 PM EST |
| 75.00 | 0.00 | 0.40 | 0.20 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 17 | 1.43 | 0.00 | 0.00 | 0.00 | 7/28/2026 | 11/5/2026 4:00:00 PM EST |
| 80.00 | 0.00 | 0.40 | 0.20 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 18 | 1.51 | 0.00 | 0.00 | 0.00 | 7/28/2026 | 11/5/2026 4:00:00 PM EST |
| 85.00 | 0.00 | 0.05 | 0.03 | 0.01 | 0.00 | 0.00% | 0.00 | 0 | 3,085 | 1.17 | 0.00 | 0.00 | 0.00 | 10/28/2026 | 11/5/2026 4:00:00 PM EST |
| 90.00 | 0.00 | 0.35 | 0.18 | 0.06 | 0.00 | 0.00% | 0.00 | 0 | 5 | 1.62 | 0.00 | 0.00 | 0.00 | 7/27/2026 | 11/5/2026 4:00:00 PM EST |
| 95.00 | 0.00 | 0.40 | 0.20 | % | 0.00 | 0 | 5 | 1.72 | 0.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 100.00 | 0.00 | 0.30 | 0.15 | 0.60 | 0.00 | 0.00% | 0.00 | 0 | 162 | 1.69 | 0.00 | 0.00 | 0.00 | 6/18/2026 | 11/5/2026 4:00:00 PM EST |
| 105.00 | 0.00 | 0.40 | 0.20 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 0 | 1.84 | 0.00 | 0.00 | 0.00 | 10/30/2026 | 11/5/2026 4:00:00 PM EST |
| 110.00 | 0.00 | 0.40 | 0.20 | % | 0.00 | 0 | 2 | 1.89 | 0.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 115.00 | 0.00 | 0.40 | 0.20 | 0.17 | 0.00 | 0.00% | 0.00 | 0 | 1 | 1.94 | 0.00 | 0.00 | 0.00 | 5/5/2026 | 11/5/2026 4:00:00 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.00 | 0.00 | 0.40 | 0.20 | % | 0.01 | 0 | 0 | 1.68 | 0.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 15.00 | 0.00 | 0.40 | 0.20 | 0.01 | 0.00 | 0.00% | 0.01 | 0 | 234 | 1.56 | 0.00 | 0.00 | 0.00 | 8/17/2026 | 11/5/2026 4:00:00 PM EST |
| 16.00 | 0.00 | 0.45 | 0.23 | % | 0.01 | 0 | 0 | 1.49 | 0.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 17.50 | 0.00 | 0.45 | 0.23 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 63 | 1.33 | 0.00 | 0.00 | 0.00 | 9/2/2026 | 11/5/2026 4:00:00 PM EST |
| 19.00 | 0.00 | 0.50 | 0.25 | % | 0.01 | 0 | 0 | 1.21 | -0.01 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 20.00 | 0.00 | 0.40 | 0.20 | 0.08 | 0.00 | 0.00% | 0.01 | 0 | 112 | 1.05 | -0.01 | 0.00 | 0.00 | 11/3/2026 | 11/5/2026 4:00:00 PM EST |
| 21.00 | 0.00 | 0.40 | 0.20 | % | 0.01 | 0 | 0 | 0.96 | -0.02 | 0.01 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 22.50 | 0.00 | 0.40 | 0.20 | 0.17 | +0.04 | +30.77% | 0.01 | 1 | 197 | 0.69 | -0.03 | 0.01 | -0.01 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 24.00 | 0.05 | 0.45 | 0.25 | % | 0.01 | 0 | 0 | 0.60 | -0.06 | 0.02 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 25.00 | 0.20 | 0.35 | 0.28 | 0.30 | +0.10 | +50.00% | 0.01 | 13,933 | 13,659 | 0.58 | -0.09 | 0.03 | -0.01 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 26.00 | 0.15 | 0.70 | 0.43 | % | 0.02 | 0 | 0 | 0.56 | -0.12 | 0.03 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 27.00 | 0.40 | 0.70 | 0.55 | 0.60 | +0.07 | +13.21% | 0.02 | 8 | 10 | 0.55 | -0.16 | 0.04 | -0.02 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 28.00 | 0.45 | 1.15 | 0.80 | 0.45 | 0.00 | 0.00% | 0.03 | 0 | 1 | 0.56 | -0.21 | 0.05 | -0.02 | 11/4/2026 | 11/5/2026 4:00:00 PM EST |
| 29.00 | 0.65 | 1.30 | 0.98 | 0.60 | 0.00 | 0.00% | 0.03 | 0 | 3 | 0.52 | -0.26 | 0.05 | -0.02 | 11/4/2026 | 11/5/2026 4:00:00 PM EST |
| 30.00 | 1.05 | 1.55 | 1.30 | 1.46 | +0.62 | +73.81% | 0.04 | 11 | 2,123 | 0.52 | -0.32 | 0.06 | -0.03 | 11/5/2026 | 11/5/2026 4:00:00 PM EST |
| 31.00 | 1.35 | 2.00 | 1.68 | 1.85 | % | 0.05 | 1 | 0 | 0.51 | -0.39 | 0.07 | -0.03 | 11/5/2026 | 11/5/2026 4:00:00 PM EST | |
| 32.00 | 1.95 | 2.40 | 2.18 | 2.59 | 0.00 | 0.00% | 0.07 | 0 | 1 | 0.51 | -0.46 | 0.07 | -0.03 | 11/3/2026 | 11/5/2026 4:00:00 PM EST |
| 33.00 | 2.30 | 3.30 | 2.80 | 2.60 | 0.00 | 0.00% | 0.08 | 0 | 50 | 0.53 | -0.53 | 0.07 | -0.03 | 11/2/2026 | 11/5/2026 4:00:00 PM EST |
| 34.00 | 3.20 | 3.80 | 3.50 | % | 0.10 | 0 | 0 | 0.55 | -0.59 | 0.07 | -0.03 | 11/5/2026 4:00:00 PM EST | |||
| 35.00 | 3.90 | 4.70 | 4.30 | 3.20 | 0.00 | 0.00% | 0.12 | 0 | 310 | 0.57 | -0.66 | 0.07 | -0.02 | 11/4/2026 | 11/5/2026 4:00:00 PM EST |
| 36.00 | 4.30 | 5.40 | 4.85 | % | 0.13 | 0 | 0 | 0.52 | -0.71 | 0.06 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 37.00 | 5.00 | 6.20 | 5.60 | % | 0.15 | 0 | 0 | 0.46 | -0.76 | 0.05 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 38.00 | 5.90 | 7.00 | 6.45 | % | 0.17 | 0 | 0 | 0.67 | -0.80 | 0.05 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 39.00 | 6.80 | 8.00 | 7.40 | % | 0.19 | 0 | 0 | 0.73 | -0.84 | 0.04 | -0.02 | 11/5/2026 4:00:00 PM EST | |||
| 40.00 | 7.60 | 9.00 | 8.30 | 6.12 | 0.00 | 0.00% | 0.21 | 0 | 234 | 0.78 | -0.87 | 0.04 | -0.01 | 10/22/2026 | 11/5/2026 4:00:00 PM EST |
| 41.00 | 8.90 | 9.90 | 9.40 | % | 0.23 | 0 | 0 | 0.80 | -0.89 | 0.03 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 42.00 | 9.50 | 10.80 | 10.15 | % | 0.24 | 0 | 0 | 0.81 | -0.91 | 0.03 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 43.00 | 10.80 | 11.90 | 11.35 | % | 0.26 | 0 | 0 | 0.89 | -0.94 | 0.02 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 44.00 | 11.80 | 12.90 | 12.35 | % | 0.28 | 0 | 0 | 0.93 | -0.95 | 0.02 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 45.00 | 12.40 | 14.00 | 13.20 | % | 0.29 | 0 | 0 | 1.00 | -0.96 | 0.01 | -0.01 | 11/5/2026 4:00:00 PM EST | |||
| 46.00 | 13.30 | 14.90 | 14.10 | % | 0.31 | 0 | 0 | 1.01 | -0.97 | 0.01 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 50.00 | 17.10 | 18.90 | 18.00 | 17.92 | 0.00 | 0.00% | 0.36 | 0 | 0 | 1.15 | -0.99 | 0.00 | 0.00 | 6/12/2026 | 11/5/2026 4:00:00 PM EST |
| 55.00 | 22.10 | 23.90 | 23.00 | 25.60 | 0.00 | 0.00% | 0.42 | 0 | 0 | 1.31 | -1.00 | 0.00 | 0.00 | 9/10/2026 | 11/5/2026 4:00:00 PM EST |
| 60.00 | 27.10 | 28.90 | 28.00 | 31.35 | 0.00 | 0.00% | 0.47 | 0 | 0 | 1.44 | -1.00 | 0.00 | 0.00 | 10/28/2026 | 11/5/2026 4:00:00 PM EST |
| 65.00 | 32.10 | 33.90 | 33.00 | 32.60 | 0.00 | 0.00% | 0.51 | 0 | 0 | 1.57 | -1.00 | 0.00 | 0.00 | 5/14/2026 | 11/5/2026 4:00:00 PM EST |
| 70.00 | 37.10 | 38.90 | 38.00 | % | 0.54 | 0 | 0 | 1.68 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 75.00 | 42.10 | 43.90 | 43.00 | 43.77 | 0.00 | 0.00% | 0.57 | 0 | 0 | 1.78 | -1.00 | 0.00 | 0.00 | 9/14/2026 | 11/5/2026 4:00:00 PM EST |
| 80.00 | 47.10 | 48.90 | 48.00 | % | 0.60 | 0 | 0 | 1.87 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 85.00 | 52.10 | 53.90 | 53.00 | % | 0.62 | 0 | 0 | 1.96 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 90.00 | 57.10 | 58.90 | 58.00 | % | 0.64 | 0 | 0 | 2.04 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 95.00 | 62.10 | 63.90 | 63.00 | % | 0.66 | 0 | 0 | 2.12 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 100.00 | 67.10 | 68.90 | 68.00 | % | 0.68 | 0 | 0 | 2.19 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 105.00 | 72.10 | 73.90 | 73.00 | % | 0.70 | 0 | 0 | 2.25 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 110.00 | 77.10 | 78.90 | 78.00 | % | 0.71 | 0 | 0 | 2.31 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST | |||
| 115.00 | 82.10 | 83.90 | 83.00 | % | 0.72 | 0 | 0 | 2.38 | -1.00 | 0.00 | 0.00 | 11/5/2026 4:00:00 PM EST |