Options Chain for COSTAR GROUP INC COM (CSGP) - $78.23 as of 10/29/2025 3:06:18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 45.00 | 23.40 | 26.60 | 25.00 | 25.50 | % | 0.56 | 1 | 0 | 1.57 | 1.00 | 0.00 | 0.00 | 10/29/2025 | 10/29/2025 3:59:54 PM EST | |
| 50.00 | 18.50 | 21.10 | 19.80 | % | 0.40 | 0 | 0 | 1.11 | 1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 55.00 | 13.50 | 16.70 | 15.10 | % | 0.27 | 0 | 0 | 1.02 | 0.99 | 0.00 | -0.01 | 10/29/2025 3:59:54 PM EST | |||
| 60.00 | 9.20 | 11.80 | 10.50 | 9.80 | % | 0.17 | 18 | 0 | 0.88 | 0.95 | 0.02 | -0.04 | 10/29/2025 | 10/29/2025 3:59:54 PM EST | |
| 65.00 | 5.00 | 6.60 | 5.80 | 5.10 | -9.59 | -65.29% | 0.09 | 102 | 2 | 0.46 | 0.83 | 0.04 | -0.06 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 70.00 | 2.00 | 3.10 | 2.55 | 2.70 | -5.70 | -67.86% | 0.04 | 168 | 11 | 0.30 | 0.57 | 0.07 | -0.07 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 75.00 | 0.75 | 1.10 | 0.93 | 0.85 | -5.25 | -86.07% | 0.01 | 102 | 31 | 0.34 | 0.26 | 0.05 | -0.04 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 80.00 | 0.10 | 0.25 | 0.18 | 0.15 | -3.04 | -95.30% | 0.00 | 121 | 2,397 | 0.32 | 0.07 | 0.02 | -0.02 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 85.00 | 0.00 | 0.10 | 0.05 | 0.09 | -1.56 | -94.55% | 0.00 | 26 | 445 | 0.41 | 0.01 | 0.00 | 0.00 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 90.00 | 0.00 | 0.10 | 0.05 | 0.05 | -0.57 | -91.94% | 0.00 | 1 | 2,253 | 0.51 | 0.00 | 0.00 | 0.00 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 95.00 | 0.00 | 0.05 | 0.03 | 0.05 | -0.20 | -80.00% | 0.00 | 1 | 568 | 0.54 | 0.00 | 0.00 | 0.00 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 100.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 173 | 0.61 | 0.00 | 0.00 | 0.00 | 10/28/2025 | 10/29/2025 3:59:54 PM EST |
| 105.00 | 0.00 | 1.70 | 0.85 | 0.29 | 0.00 | 0.00% | 0.01 | 0 | 9 | 1.46 | 0.00 | 0.00 | 0.00 | 10/3/2025 | 10/29/2025 3:59:54 PM EST |
| 110.00 | 0.00 | 1.70 | 0.85 | 0.37 | 0.00 | 0.00% | 0.01 | 0 | 5 | 1.56 | 0.00 | 0.00 | 0.00 | 9/19/2025 | 10/29/2025 3:59:54 PM EST |
| 115.00 | 0.00 | 1.70 | 0.85 | % | 0.01 | 0 | 0 | 1.65 | 0.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 120.00 | 0.00 | 1.70 | 0.85 | 0.23 | 0.00 | 0.00% | 0.01 | 0 | 4 | 1.74 | 0.00 | 0.00 | 0.00 | 9/17/2025 | 10/29/2025 3:59:54 PM EST |
| 125.00 | 0.00 | 1.70 | 0.85 | % | 0.01 | 0 | 0 | 1.82 | 0.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 130.00 | 0.00 | 1.70 | 0.85 | % | 0.01 | 0 | 0 | 1.90 | 0.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 45.00 | 0.00 | 1.70 | 0.85 | % | 0.02 | 0 | 0 | 1.67 | 0.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 50.00 | 0.00 | 1.75 | 0.88 | 0.09 | -0.10 | -52.64% | 0.02 | 1 | 1 | 1.39 | 0.00 | 0.00 | 0.00 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 55.00 | 0.00 | 0.50 | 0.25 | 0.17 | -0.16 | -48.49% | 0.00 | 1 | 2 | 0.74 | -0.01 | 0.00 | -0.01 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 60.00 | 0.15 | 0.45 | 0.30 | 0.34 | +0.09 | +36.00% | 0.01 | 115 | 23 | 0.47 | -0.05 | 0.02 | -0.04 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 65.00 | 0.25 | 1.15 | 0.70 | 0.80 | +0.25 | +45.46% | 0.01 | 405 | 158 | 0.36 | -0.17 | 0.04 | -0.06 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 70.00 | 1.60 | 2.80 | 2.20 | 2.80 | +1.55 | +124.00% | 0.03 | 57 | 607 | 0.36 | -0.43 | 0.07 | -0.07 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 75.00 | 4.80 | 6.00 | 5.40 | 5.83 | +3.39 | +138.94% | 0.07 | 91 | 5,120 | 0.42 | -0.74 | 0.05 | -0.04 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 80.00 | 9.30 | 11.80 | 10.55 | 11.19 | +6.39 | +133.13% | 0.13 | 35 | 517 | 0.76 | -0.93 | 0.02 | -0.02 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 85.00 | 14.10 | 16.30 | 15.20 | 16.20 | +8.16 | +101.50% | 0.18 | 1 | 978 | 0.92 | -0.99 | 0.00 | 0.00 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 90.00 | 19.10 | 21.80 | 20.45 | 22.60 | +9.80 | +76.57% | 0.23 | 6 | 76 | 1.09 | -1.00 | 0.00 | 0.00 | 10/29/2025 | 10/29/2025 3:59:54 PM EST |
| 95.00 | 24.20 | 26.70 | 25.45 | 14.00 | 0.00 | 0.00% | 0.27 | 0 | 0 | 1.21 | -1.00 | 0.00 | 0.00 | 10/6/2025 | 10/29/2025 3:59:54 PM EST |
| 100.00 | 29.00 | 31.70 | 30.35 | % | 0.30 | 0 | 0 | 1.34 | -1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 105.00 | 34.00 | 36.70 | 35.35 | % | 0.34 | 0 | 0 | 1.45 | -1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 110.00 | 39.00 | 41.70 | 40.35 | % | 0.37 | 0 | 0 | 1.56 | -1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 115.00 | 44.00 | 46.70 | 45.35 | % | 0.39 | 0 | 0 | 1.66 | -1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 120.00 | 48.80 | 51.70 | 50.25 | % | 0.42 | 0 | 0 | 1.78 | -1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 125.00 | 53.80 | 56.70 | 55.25 | % | 0.44 | 0 | 0 | 1.87 | -1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST | |||
| 130.00 | 58.80 | 61.70 | 60.25 | % | 0.46 | 0 | 0 | 1.93 | -1.00 | 0.00 | 0.00 | 10/29/2025 3:59:54 PM EST |