Options Chain for COSTAR GROUP INC COM (CSGP) - $32.35 as of 5/29/2026 8:50:47 AM 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20.00 | 11.70 | 14.00 | 12.85 | 14.22 | 0.00 | 0.00% | 0.64 | 0 | 1 | 2.20 | 1.00 | 0.00 | 0.00 | 5/20/2026 | 5/29/2026 1:58:27 PM EST |
| 22.50 | 9.30 | 10.90 | 10.10 | 11.80 | 0.00 | 0.00% | 0.45 | 0 | 5 | 1.40 | 1.00 | 0.00 | 0.00 | 5/21/2026 | 5/29/2026 1:58:27 PM EST |
| 25.00 | 7.10 | 8.20 | 7.65 | 7.42 | -0.08 | -1.07% | 0.31 | 4 | 7 | 0.96 | 0.98 | 0.01 | 0.00 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 30.00 | 3.20 | 3.50 | 3.35 | 3.48 | +0.27 | +8.42% | 0.11 | 19 | 58 | 0.59 | 0.78 | 0.07 | -0.03 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 35.00 | 0.60 | 0.90 | 0.75 | 0.80 | +0.08 | +11.12% | 0.02 | 13 | 856 | 0.51 | 0.32 | 0.09 | -0.04 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 40.00 | 0.05 | 0.15 | 0.10 | 0.15 | -0.05 | -25.00% | 0.00 | 3 | 951 | 0.52 | 0.05 | 0.03 | -0.01 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 45.00 | 0.00 | 0.20 | 0.10 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 1,041 | 0.86 | 0.00 | 0.00 | 0.00 | 5/22/2026 | 5/29/2026 1:58:27 PM EST |
| 50.00 | 0.00 | 0.15 | 0.08 | 0.30 | 0.00 | 0.00% | 0.00 | 0 | 681 | 1.02 | 0.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 55.00 | 0.00 | 0.50 | 0.25 | 0.22 | 0.00 | 0.00% | 0.00 | 0 | 195 | 1.52 | 0.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 60.00 | 0.00 | 0.30 | 0.15 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 356 | 1.53 | 0.00 | 0.00 | 0.00 | 5/11/2026 | 5/29/2026 1:58:27 PM EST |
| 65.00 | 0.00 | 0.50 | 0.25 | 0.08 | 0.00 | 0.00% | 0.00 | 0 | 352 | 1.86 | 0.00 | 0.00 | 0.00 | 4/15/2026 | 5/29/2026 1:58:27 PM EST |
| 70.00 | 0.00 | 0.05 | 0.03 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 5,635 | 1.38 | 0.00 | 0.00 | 0.00 | 5/12/2026 | 5/29/2026 1:58:27 PM EST |
| 75.00 | 0.00 | 0.50 | 0.25 | 0.01 | 0.00 | 0.00% | 0.00 | 0 | 68 | 2.13 | 0.00 | 0.00 | 0.00 | 5/21/2026 | 5/29/2026 1:58:27 PM EST |
| 80.00 | 0.00 | 0.50 | 0.25 | 0.06 | 0.00 | 0.00% | 0.00 | 0 | 1,500 | 2.26 | 0.00 | 0.00 | 0.00 | 4/30/2026 | 5/29/2026 1:58:27 PM EST |
| 85.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 438 | 2.37 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 90.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 398 | 2.47 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 95.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 453 | 2.56 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 100.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 29 | 2.65 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 105.00 | 0.00 | 0.50 | 0.25 | 0.50 | 0.00 | 0.00% | 0.00 | 0 | 20 | 2.74 | 0.00 | 0.00 | 0.00 | 5/13/2026 | 5/29/2026 1:58:27 PM EST |
| 110.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 7 | 2.82 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 115.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 18 | 2.89 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 120.00 | 0.00 | 0.50 | 0.25 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 104 | 2.96 | 0.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 125.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 0 | 3.03 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 130.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 0 | 3.10 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 135.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 0 | 3.16 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 140.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 0 | 3.22 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 145.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 0 | 3.27 | 0.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20.00 | 0.00 | 0.10 | 0.05 | 0.07 | 0.00 | 0.00% | 0.00 | 0 | 100 | 1.18 | 0.00 | 0.00 | 0.00 | 5/21/2026 | 5/29/2026 1:58:27 PM EST |
| 22.50 | 0.00 | 0.20 | 0.10 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 12 | 1.08 | 0.00 | 0.00 | 0.00 | 5/21/2026 | 5/29/2026 1:58:27 PM EST |
| 25.00 | 0.00 | 0.15 | 0.08 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 230 | 0.78 | -0.02 | 0.01 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 30.00 | 0.60 | 0.70 | 0.65 | 0.65 | -0.15 | -18.75% | 0.02 | 5 | 812 | 0.56 | -0.22 | 0.07 | -0.03 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 35.00 | 2.85 | 3.20 | 3.03 | 3.00 | -0.40 | -11.77% | 0.09 | 16 | 875 | 0.51 | -0.68 | 0.09 | -0.04 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 40.00 | 6.90 | 7.70 | 7.30 | 7.29 | 0.00 | 0.00% | 0.18 | 0 | 922 | 0.83 | -0.95 | 0.03 | -0.01 | 5/27/2026 | 5/29/2026 1:58:27 PM EST |
| 45.00 | 11.10 | 13.50 | 12.30 | 13.60 | 0.00 | 0.00% | 0.27 | 0 | 214 | 1.51 | -1.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 50.00 | 16.20 | 18.30 | 17.25 | 18.60 | 0.00 | 0.00% | 0.34 | 0 | 42 | 1.60 | -1.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 55.00 | 21.20 | 23.30 | 22.25 | 22.80 | 0.00 | 0.00% | 0.40 | 0 | 3 | 1.83 | -1.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 60.00 | 26.20 | 28.30 | 27.25 | 27.40 | +0.02 | +0.08% | 0.45 | 3 | 3 | 2.02 | -1.00 | 0.00 | 0.00 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 65.00 | 31.20 | 33.30 | 32.25 | 32.78 | 0.00 | 0.00% | 0.50 | 0 | 16 | 2.20 | -1.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 1:58:27 PM EST |
| 70.00 | 36.40 | 38.10 | 37.25 | 37.20 | -0.58 | -1.54% | 0.53 | 1 | 3 | 2.36 | -1.00 | 0.00 | 0.00 | 5/29/2026 | 5/29/2026 1:58:27 PM EST |
| 75.00 | 41.10 | 43.30 | 42.20 | 34.98 | 0.00 | 0.00% | 0.56 | 0 | 1 | 2.50 | -1.00 | 0.00 | 0.00 | 4/16/2026 | 5/29/2026 1:58:27 PM EST |
| 80.00 | 46.10 | 48.30 | 47.20 | 40.07 | 0.00 | 0.00% | 0.59 | 0 | 1 | 2.64 | -1.00 | 0.00 | 0.00 | 4/16/2026 | 5/29/2026 1:58:27 PM EST |
| 85.00 | 51.10 | 53.30 | 52.20 | % | 0.61 | 0 | 1 | 2.76 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 90.00 | 56.10 | 58.30 | 57.20 | % | 0.64 | 0 | 1 | 2.87 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 95.00 | 61.10 | 63.30 | 62.20 | % | 0.65 | 0 | 0 | 2.98 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 100.00 | 66.10 | 68.30 | 67.20 | % | 0.67 | 0 | 0 | 3.08 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 105.00 | 71.10 | 73.30 | 72.20 | % | 0.69 | 0 | 0 | 3.17 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 110.00 | 76.10 | 78.10 | 77.10 | % | 0.70 | 0 | 0 | 3.26 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 115.00 | 81.10 | 83.30 | 82.20 | % | 0.71 | 0 | 0 | 3.35 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 120.00 | 86.10 | 88.30 | 87.20 | % | 0.73 | 0 | 0 | 3.43 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 125.00 | 91.10 | 93.30 | 92.20 | % | 0.74 | 0 | 0 | 3.50 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 130.00 | 96.10 | 98.30 | 97.20 | % | 0.75 | 0 | 0 | 3.57 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 135.00 | 101.10 | 103.30 | 102.20 | % | 0.76 | 0 | 0 | 3.64 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 140.00 | 106.10 | 108.30 | 107.20 | % | 0.77 | 0 | 0 | 3.71 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST | |||
| 145.00 | 111.10 | 113.30 | 112.20 | % | 0.77 | 0 | 0 | 3.78 | -1.00 | 0.00 | 0.00 | 5/29/2026 1:58:27 PM EST |