Options Chain for COSTAR GROUP INC COM (CSGP) - $37.38 as of 4/24/2026 6:21:10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20.00 | 15.50 | 18.10 | 16.80 | % | 0.84 | 0 | 0 | 1.64 | 0.99 | 0.00 | -0.01 | 4/24/2026 4:00:11 PM EST | |||
| 22.50 | 13.70 | 15.20 | 14.45 | 20.50 | 0.00 | 0.00% | 0.64 | 0 | 5 | 1.24 | 0.97 | 0.01 | -0.01 | 3/23/2026 | 4/24/2026 4:00:11 PM EST |
| 25.00 | 11.50 | 12.70 | 12.10 | 11.90 | % | 0.48 | 1 | 2 | 1.03 | 0.93 | 0.01 | -0.02 | 4/24/2026 | 4/24/2026 4:00:11 PM EST | |
| 30.00 | 7.30 | 8.50 | 7.90 | 7.86 | 0.00 | 0.00% | 0.26 | 0 | 5 | 0.69 | 0.82 | 0.03 | -0.03 | 4/10/2026 | 4/24/2026 4:00:11 PM EST |
| 35.00 | 4.20 | 4.60 | 4.40 | 4.45 | -0.49 | -9.92% | 0.13 | 1 | 44 | 0.63 | 0.63 | 0.04 | -0.03 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 40.00 | 1.95 | 2.35 | 2.15 | 2.05 | -0.50 | -19.61% | 0.05 | 403 | 794 | 0.60 | 0.41 | 0.05 | -0.03 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 45.00 | 0.80 | 1.15 | 0.98 | 0.90 | -0.20 | -18.19% | 0.02 | 1 | 1,026 | 0.59 | 0.23 | 0.04 | -0.02 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 50.00 | 0.30 | 0.75 | 0.53 | 0.45 | -0.10 | -18.19% | 0.01 | 6 | 803 | 0.61 | 0.12 | 0.02 | -0.02 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 55.00 | 0.00 | 0.60 | 0.30 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 194 | 0.79 | 0.06 | 0.01 | -0.01 | 4/23/2026 | 4/24/2026 4:00:11 PM EST |
| 60.00 | 0.00 | 0.20 | 0.10 | 0.10 | -0.04 | -28.58% | 0.00 | 3 | 367 | 0.72 | 0.03 | 0.01 | -0.01 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 65.00 | 0.00 | 0.15 | 0.08 | 0.08 | 0.00 | 0.00% | 0.00 | 0 | 352 | 0.77 | 0.01 | 0.00 | 0.00 | 4/15/2026 | 4/24/2026 4:00:11 PM EST |
| 70.00 | 0.00 | 0.60 | 0.30 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 5,636 | 1.10 | 0.00 | 0.00 | 0.00 | 3/26/2026 | 4/24/2026 4:00:11 PM EST |
| 75.00 | 0.00 | 0.55 | 0.28 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 70 | 1.16 | 0.00 | 0.00 | 0.00 | 4/22/2026 | 4/24/2026 4:00:11 PM EST |
| 80.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 1,501 | 1.23 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 85.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 438 | 1.30 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 90.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 398 | 1.37 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 95.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 453 | 1.43 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 100.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 29 | 1.48 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 105.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 2 | 1.53 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 110.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 7 | 1.58 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 115.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 18 | 1.63 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 120.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 104 | 1.67 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 125.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 0 | 1.72 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 130.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 0 | 1.76 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 135.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 0 | 1.80 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 140.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 0 | 1.83 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 145.00 | 0.00 | 0.55 | 0.28 | % | 0.00 | 0 | 0 | 1.87 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 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 | 0.60 | 0.30 | % | 0.01 | 0 | 0 | 1.23 | -0.01 | 0.00 | -0.01 | 4/24/2026 4:00:11 PM EST | |||
| 22.50 | 0.05 | 0.45 | 0.25 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 3 | 0.79 | -0.03 | 0.01 | -0.01 | 4/20/2026 | 4/24/2026 4:00:11 PM EST |
| 25.00 | 0.20 | 0.45 | 0.33 | 0.53 | 0.00 | 0.00% | 0.01 | 0 | 13 | 0.72 | -0.07 | 0.01 | -0.02 | 4/13/2026 | 4/24/2026 4:00:11 PM EST |
| 30.00 | 0.75 | 1.25 | 1.00 | 1.25 | +0.16 | +14.68% | 0.03 | 28 | 275 | 0.65 | -0.18 | 0.03 | -0.03 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 35.00 | 2.40 | 2.90 | 2.65 | 2.73 | +0.23 | +9.20% | 0.08 | 28 | 445 | 0.63 | -0.37 | 0.04 | -0.03 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 40.00 | 5.10 | 5.70 | 5.40 | 5.50 | +1.70 | +44.74% | 0.14 | 3 | 1,005 | 0.60 | -0.59 | 0.05 | -0.03 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 45.00 | 9.00 | 9.80 | 9.40 | 9.60 | +3.10 | +47.70% | 0.21 | 28 | 536 | 0.63 | -0.77 | 0.04 | -0.02 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 50.00 | 13.40 | 14.20 | 13.80 | 13.70 | -0.42 | -2.98% | 0.28 | 1 | 475 | 0.75 | -0.88 | 0.02 | -0.02 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 55.00 | 17.70 | 19.20 | 18.45 | 17.85 | -0.84 | -4.50% | 0.34 | 1 | 152 | 0.90 | -0.94 | 0.01 | -0.01 | 4/24/2026 | 4/24/2026 4:00:11 PM EST |
| 60.00 | 23.40 | 23.90 | 23.65 | % | 0.39 | 0 | 43 | 0.92 | -0.97 | 0.01 | -0.01 | 4/24/2026 4:00:11 PM EST | |||
| 65.00 | 27.20 | 29.80 | 28.50 | % | 0.44 | 0 | 18 | 1.32 | -0.99 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 70.00 | 32.10 | 34.80 | 33.45 | 29.95 | 0.00 | 0.00% | 0.48 | 0 | 3 | 1.43 | -1.00 | 0.00 | 0.00 | 4/16/2026 | 4/24/2026 4:00:11 PM EST |
| 75.00 | 37.10 | 39.80 | 38.45 | 34.98 | 0.00 | 0.00% | 0.51 | 0 | 1 | 1.53 | -1.00 | 0.00 | 0.00 | 4/16/2026 | 4/24/2026 4:00:11 PM EST |
| 80.00 | 42.10 | 44.80 | 43.45 | 40.07 | 0.00 | 0.00% | 0.54 | 0 | 1 | 1.62 | -1.00 | 0.00 | 0.00 | 4/16/2026 | 4/24/2026 4:00:11 PM EST |
| 85.00 | 47.10 | 49.80 | 48.45 | % | 0.57 | 0 | 1 | 1.70 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 90.00 | 52.10 | 54.80 | 53.45 | % | 0.59 | 0 | 1 | 1.78 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 95.00 | 57.10 | 59.80 | 58.45 | % | 0.62 | 0 | 0 | 1.85 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 100.00 | 62.10 | 64.80 | 63.45 | % | 0.63 | 0 | 0 | 1.92 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 105.00 | 67.10 | 69.80 | 68.45 | % | 0.65 | 0 | 0 | 1.98 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 110.00 | 72.10 | 74.80 | 73.45 | % | 0.67 | 0 | 0 | 2.04 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 115.00 | 77.10 | 79.80 | 78.45 | % | 0.68 | 0 | 0 | 2.10 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 120.00 | 82.10 | 84.80 | 83.45 | % | 0.70 | 0 | 0 | 2.15 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 125.00 | 87.20 | 89.80 | 88.50 | % | 0.71 | 0 | 0 | 2.21 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 130.00 | 92.10 | 94.80 | 93.45 | % | 0.72 | 0 | 0 | 2.26 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 135.00 | 97.10 | 99.80 | 98.45 | % | 0.73 | 0 | 0 | 2.30 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 140.00 | 102.10 | 104.80 | 103.45 | % | 0.74 | 0 | 0 | 2.35 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST | |||
| 145.00 | 107.10 | 109.80 | 108.45 | % | 0.75 | 0 | 0 | 2.40 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:11 PM EST |