Options Chain for COSTAR GROUP INC COM (CSGP) - $66.60 as of 12/23/2025 2:53:38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 4.50 | 4.90 | 4.70 | 5.10 | 0.00 | 0.00% | 9.40 | 0 | 18 | 6/12/2025 | EST | ||||
| 1.00 | 4.00 | 4.40 | 4.20 | 4.80 | 0.00 | 0.00% | 4.20 | 0 | 78 | 8/13/2025 | EST | ||||
| 1.50 | 3.50 | 3.90 | 3.70 | 3.70 | 0.00 | 0.00% | 2.47 | 0 | 74 | 11/19/2025 | EST | ||||
| 2.00 | 3.00 | 4.70 | 3.85 | 3.13 | +0.05 | +1.63% | 1.93 | 1 | 961 | 12/23/2025 | EST | ||||
| 2.50 | 2.50 | 2.90 | 2.70 | 2.70 | 0.00 | 0.00% | 1.08 | 0 | 229 | 11/25/2025 | EST | ||||
| 3.00 | 2.05 | 2.30 | 2.18 | 2.18 | 0.00 | 0.00% | 0.73 | 0 | 557 | 12/12/2025 | EST | ||||
| 3.50 | 1.55 | 1.80 | 1.68 | 1.65 | 0.00 | 0.00% | 0.48 | 0 | 286 | 11/28/2025 | EST | ||||
| 4.00 | 1.05 | 1.30 | 1.18 | 1.20 | 0.00 | 0.00% | 0.29 | 0 | 516 | 11/25/2025 | EST | ||||
| 4.50 | 0.55 | 0.80 | 0.68 | 0.65 | 0.00 | 0.00% | 0.15 | 0 | 1,045 | 12/22/2025 | EST | ||||
| 5.00 | 0.10 | 0.30 | 0.20 | 0.20 | +0.05 | +33.34% | 0.04 | 5 | 9,782 | 12/23/2025 | EST | ||||
| 5.50 | 0.00 | 0.20 | 0.10 | 0.05 | 0.00 | 0.00% | 0.02 | 0 | 8,812 | 12/22/2025 | EST | ||||
| 7.00 | 0.00 | 0.05 | 0.03 | 0.01 | 0.00 | 0.00% | 0.00 | 0 | 4,065 | 8/13/2025 | EST | ||||
| 10.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 83 | EST | |||||||
| 35.00 | 29.50 | 33.10 | 31.30 | 56.00 | 0.00 | 0.00% | 0.89 | 0 | 5 | 2.32 | 1.00 | 0.00 | 0.00 | 5/17/2024 | 12/23/2025 12:59:08 PM EST |
| 40.00 | 24.90 | 27.70 | 26.30 | 40.10 | 0.00 | 0.00% | 0.66 | 0 | 2 | 1.80 | 1.00 | 0.00 | 0.00 | 2/26/2025 | 12/23/2025 12:59:08 PM EST |
| 45.00 | 20.10 | 22.90 | 21.50 | 42.30 | 0.00 | 0.00% | 0.48 | 0 | 3 | 1.52 | 1.00 | 0.00 | 0.00 | 8/13/2025 | 12/23/2025 12:59:08 PM EST |
| 50.00 | 15.40 | 17.10 | 16.25 | 17.50 | 0.00 | 0.00% | 0.33 | 0 | 5 | 0.99 | 1.00 | 0.00 | 0.00 | 10/29/2025 | 12/23/2025 12:59:08 PM EST |
| 55.00 | 10.70 | 13.10 | 11.90 | 10.30 | 0.00 | 0.00% | 0.22 | 0 | 64 | 0.97 | 0.98 | 0.01 | -0.01 | 12/18/2025 | 12/23/2025 12:59:08 PM EST |
| 60.00 | 6.40 | 8.00 | 7.20 | 6.40 | 0.00 | 0.00% | 0.12 | 0 | 28 | 0.48 | 0.86 | 0.04 | -0.04 | 12/22/2025 | 12/23/2025 12:59:08 PM EST |
| 65.00 | 2.80 | 3.00 | 2.90 | 2.75 | -0.01 | -0.37% | 0.04 | 4 | 488 | 0.32 | 0.60 | 0.07 | -0.05 | 12/23/2025 | 12/23/2025 12:59:08 PM EST |
| 70.00 | 0.75 | 0.95 | 0.85 | 0.85 | -0.10 | -10.53% | 0.01 | 1 | 7,032 | 0.32 | 0.26 | 0.06 | -0.04 | 12/23/2025 | 12/23/2025 12:59:08 PM EST |
| 75.00 | 0.15 | 0.25 | 0.20 | 0.21 | -0.09 | -30.00% | 0.00 | 3 | 2,309 | 0.33 | 0.07 | 0.03 | -0.02 | 12/23/2025 | 12/23/2025 12:59:08 PM EST |
| 80.00 | 0.00 | 0.10 | 0.05 | 0.03 | 0.00 | 0.00% | 0.00 | 0 | 2,470 | 0.40 | 0.01 | 0.01 | 0.00 | 12/22/2025 | 12/23/2025 12:59:08 PM EST |
| 85.00 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 1,756 | 0.60 | 0.00 | 0.00 | 0.00 | 12/19/2025 | 12/23/2025 12:59:08 PM EST |
| 90.00 | 0.00 | 0.10 | 0.05 | 0.01 | -0.07 | -87.50% | 0.00 | 76 | 2,082 | 0.60 | 0.00 | 0.00 | 0.00 | 12/23/2025 | 12/23/2025 12:59:08 PM EST |
| 95.00 | 0.00 | 0.75 | 0.38 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 2,249 | 1.01 | 0.00 | 0.00 | 0.00 | 12/11/2025 | 12/23/2025 12:59:08 PM EST |
| 100.00 | 0.00 | 0.75 | 0.38 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 602 | 1.11 | 0.00 | 0.00 | 0.00 | 12/11/2025 | 12/23/2025 12:59:08 PM EST |
| 105.00 | 0.00 | 0.75 | 0.38 | 0.38 | 0.00 | 0.00% | 0.00 | 0 | 555 | 1.20 | 0.00 | 0.00 | 0.00 | 12/19/2025 | 12/23/2025 12:59:08 PM EST |
| 110.00 | 0.00 | 0.05 | 0.03 | 0.11 | 0.00 | 0.00% | 0.00 | 0 | 537 | 0.83 | 0.00 | 0.00 | 0.00 | 12/9/2025 | 12/23/2025 12:59:08 PM EST |
| 115.00 | 0.00 | 0.75 | 0.38 | 0.90 | 0.00 | 0.00% | 0.00 | 0 | 1,253 | 1.37 | 0.00 | 0.00 | 0.00 | 9/5/2025 | 12/23/2025 12:59:08 PM EST |
| 120.00 | 0.00 | 0.75 | 0.38 | 0.03 | 0.00 | 0.00% | 0.00 | 0 | 105 | 1.45 | 0.00 | 0.00 | 0.00 | 12/15/2025 | 12/23/2025 12:59:08 PM EST |
| 125.00 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 20 | 1.52 | 0.00 | 0.00 | 0.00 | 11/7/2025 | 12/23/2025 12:59:08 PM EST |
| 130.00 | 0.00 | 0.75 | 0.38 | 0.14 | 0.00 | 0.00% | 0.00 | 0 | 125 | 1.59 | 0.00 | 0.00 | 0.00 | 8/20/2025 | 12/23/2025 12:59:08 PM EST |
| 135.00 | 0.00 | 0.75 | 0.38 | 0.30 | 0.00 | 0.00% | 0.00 | 0 | 60 | 1.65 | 0.00 | 0.00 | 0.00 | 8/4/2025 | 12/23/2025 12:59:08 PM EST |
| 140.00 | 0.00 | 0.75 | 0.38 | 0.65 | 0.00 | 0.00% | 0.00 | 0 | 39 | 1.71 | 0.00 | 0.00 | 0.00 | 3/10/2025 | 12/23/2025 12:59:08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 0.00 | 0.25 | 0.13 | % | 0.26 | 0 | 0 | EST | |||||||
| 1.00 | 0.00 | 0.25 | 0.13 | % | 0.13 | 0 | 64 | EST | |||||||
| 1.50 | 0.00 | 0.25 | 0.13 | % | 0.09 | 0 | 169 | EST | |||||||
| 2.00 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.07 | 0 | 136 | 4/15/2025 | EST | ||||
| 2.50 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.05 | 0 | 75 | 5/19/2025 | EST | ||||
| 3.00 | 0.00 | 0.25 | 0.13 | % | 0.04 | 0 | 873 | EST | |||||||
| 3.50 | 0.00 | 0.25 | 0.13 | % | 0.04 | 0 | 13 | EST | |||||||
| 4.00 | 0.00 | 0.20 | 0.10 | 0.16 | 0.00 | 0.00% | 0.03 | 0 | 1,496 | 4/8/2025 | EST | ||||
| 4.50 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.03 | 0 | 1,065 | 12/22/2025 | EST | ||||
| 5.00 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.03 | 0 | 455 | 9/22/2025 | EST | ||||
| 5.50 | 0.20 | 0.45 | 0.33 | % | 0.06 | 0 | 0 | EST | |||||||
| 7.00 | 1.70 | 1.95 | 1.83 | 1.37 | 0.00 | 0.00% | 0.26 | 0 | 0 | 3/20/2025 | EST | ||||
| 10.00 | 4.60 | 5.00 | 4.80 | % | 0.48 | 0 | 0 | EST | |||||||
| 35.00 | 0.00 | 0.75 | 0.38 | 0.26 | 0.00 | 0.00% | 0.01 | 0 | 269 | 1.75 | 0.00 | 0.00 | 0.00 | 5/23/2025 | 12/23/2025 12:59:08 PM EST |
| 40.00 | 0.00 | 0.75 | 0.38 | 0.40 | 0.00 | 0.00% | 0.01 | 0 | 73 | 1.44 | 0.00 | 0.00 | 0.00 | 3/24/2025 | 12/23/2025 12:59:08 PM EST |
| 45.00 | 0.00 | 0.55 | 0.28 | 1.11 | 0.00 | 0.00% | 0.01 | 0 | 8 | 1.07 | 0.00 | 0.00 | 0.00 | 4/8/2025 | 12/23/2025 12:59:08 PM EST |
| 50.00 | 0.00 | 0.75 | 0.38 | 0.18 | 0.00 | 0.00% | 0.01 | 0 | 11 | 0.91 | 0.00 | 0.00 | 0.00 | 12/15/2025 | 12/23/2025 12:59:08 PM EST |
| 55.00 | 0.00 | 0.65 | 0.33 | 0.19 | 0.00 | 0.00% | 0.01 | 0 | 1,871 | 0.64 | -0.02 | 0.01 | -0.01 | 12/22/2025 | 12/23/2025 12:59:08 PM EST |
| 60.00 | 0.40 | 0.55 | 0.48 | 0.48 | 0.00 | 0.00% | 0.01 | 0 | 941 | 0.37 | -0.14 | 0.04 | -0.04 | 12/22/2025 | 12/23/2025 12:59:08 PM EST |
| 65.00 | 1.50 | 1.85 | 1.68 | 1.70 | -0.05 | -2.86% | 0.03 | 7 | 6,051 | 0.33 | -0.40 | 0.07 | -0.05 | 12/23/2025 | 12/23/2025 12:59:08 PM EST |
| 70.00 | 4.40 | 4.80 | 4.60 | 5.57 | 0.00 | 0.00% | 0.07 | 0 | 432 | 0.32 | -0.74 | 0.06 | -0.04 | 12/18/2025 | 12/23/2025 12:59:08 PM EST |
| 75.00 | 7.70 | 9.50 | 8.60 | 7.00 | 0.00 | 0.00% | 0.11 | 0 | 374 | 0.46 | -0.93 | 0.03 | -0.02 | 12/9/2025 | 12/23/2025 12:59:08 PM EST |
| 80.00 | 12.00 | 15.80 | 13.90 | 16.40 | 0.00 | 0.00% | 0.17 | 0 | 59 | 0.86 | -0.99 | 0.01 | 0.00 | 12/16/2025 | 12/23/2025 12:59:08 PM EST |
| 85.00 | 17.40 | 20.80 | 19.10 | 16.40 | 0.00 | 0.00% | 0.22 | 0 | 13 | 0.88 | -1.00 | 0.00 | 0.00 | 12/4/2025 | 12/23/2025 12:59:08 PM EST |
| 90.00 | 22.00 | 25.80 | 23.90 | 27.50 | 0.00 | 0.00% | 0.27 | 0 | 31 | 1.16 | -1.00 | 0.00 | 0.00 | 12/15/2025 | 12/23/2025 12:59:08 PM EST |
| 95.00 | 27.00 | 30.80 | 28.90 | 28.11 | 0.00 | 0.00% | 0.30 | 0 | 1 | 1.28 | -1.00 | 0.00 | 0.00 | 11/7/2025 | 12/23/2025 12:59:08 PM EST |
| 100.00 | 32.00 | 35.80 | 33.90 | 16.80 | 0.00 | 0.00% | 0.34 | 0 | 0 | 1.44 | -1.00 | 0.00 | 0.00 | 9/25/2025 | 12/23/2025 12:59:08 PM EST |
| 105.00 | 37.00 | 40.80 | 38.90 | 29.90 | 0.00 | 0.00% | 0.37 | 0 | 0 | 1.55 | -1.00 | 0.00 | 0.00 | 10/14/2025 | 12/23/2025 12:59:08 PM EST |
| 110.00 | 42.00 | 45.80 | 43.90 | 41.34 | 0.00 | 0.00% | 0.40 | 0 | 2 | 1.65 | -1.00 | 0.00 | 0.00 | 11/28/2025 | 12/23/2025 12:59:08 PM EST |
| 115.00 | 47.00 | 50.80 | 48.90 | % | 0.43 | 0 | 0 | 1.75 | -1.00 | 0.00 | 0.00 | 12/23/2025 12:59:08 PM EST | |||
| 120.00 | 52.00 | 55.80 | 53.90 | % | 0.45 | 0 | 0 | 1.83 | -1.00 | 0.00 | 0.00 | 12/23/2025 12:59:08 PM EST | |||
| 125.00 | 57.00 | 60.80 | 58.90 | % | 0.47 | 0 | 0 | 1.92 | -1.00 | 0.00 | 0.00 | 12/23/2025 12:59:08 PM EST | |||
| 130.00 | 62.00 | 65.80 | 63.90 | % | 0.49 | 0 | 0 | 2.00 | -1.00 | 0.00 | 0.00 | 12/23/2025 12:59:08 PM EST | |||
| 135.00 | 67.00 | 70.80 | 68.90 | % | 0.51 | 0 | 0 | 2.07 | -1.00 | 0.00 | 0.00 | 12/23/2025 12:59:08 PM EST | |||
| 140.00 | 72.00 | 75.80 | 73.90 | % | 0.53 | 0 | 0 | 2.14 | -1.00 | 0.00 | 0.00 | 12/23/2025 12:59:08 PM EST |