Options Chain for COSTAR GROUP INC COM (CSGP) - $43.63 as of 3/16/2026 10:30:32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.00 | 12.70 | 15.00 | 13.85 | % | 0.46 | 0 | 0 | 3.83 | 1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 35.00 | 8.00 | 9.90 | 8.95 | 10.50 | 0.00 | 0.00% | 0.26 | 0 | 0 | 2.60 | 1.00 | 0.00 | 0.00 | 2/26/2026 | 3/16/2026 4:00:03 PM EST |
| 40.00 | 3.20 | 4.80 | 4.00 | 8.90 | 0.00 | 0.00% | 0.10 | 0 | 30 | 1.47 | 0.89 | 0.06 | -0.06 | 3/9/2026 | 3/16/2026 4:00:03 PM EST |
| 45.00 | 0.40 | 0.65 | 0.53 | 0.49 | -0.16 | -24.62% | 0.01 | 66 | 1,351 | 0.64 | 0.27 | 0.14 | -0.11 | 3/16/2026 | 3/16/2026 4:00:03 PM EST |
| 50.00 | 0.00 | 0.15 | 0.08 | 0.10 | -0.10 | -50.00% | 0.00 | 36 | 2,849 | 0.90 | 0.01 | 0.01 | -0.01 | 3/16/2026 | 3/16/2026 4:00:03 PM EST |
| 55.00 | 0.00 | 0.05 | 0.03 | 0.11 | 0.00 | 0.00% | 0.00 | 0 | 2,369 | 1.11 | 0.00 | 0.00 | 0.00 | 3/11/2026 | 3/16/2026 4:00:03 PM EST |
| 60.00 | 0.00 | 0.60 | 0.30 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 2,704 | 2.37 | 0.00 | 0.00 | 0.00 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 65.00 | 0.00 | 0.60 | 0.30 | 0.09 | 0.00 | 0.00% | 0.00 | 0 | 864 | 2.77 | 0.00 | 0.00 | 0.00 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 70.00 | 0.00 | 0.60 | 0.30 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 1,381 | 3.13 | 0.00 | 0.00 | 0.00 | 3/10/2026 | 3/16/2026 4:00:03 PM EST |
| 75.00 | 0.00 | 0.60 | 0.30 | 0.14 | 0.00 | 0.00% | 0.00 | 0 | 1,850 | 3.46 | 0.00 | 0.00 | 0.00 | 2/20/2026 | 3/16/2026 4:00:03 PM EST |
| 80.00 | 0.00 | 0.60 | 0.30 | 0.02 | 0.00 | 0.00% | 0.00 | 0 | 303 | 3.74 | 0.00 | 0.00 | 0.00 | 3/6/2026 | 3/16/2026 4:00:03 PM EST |
| 85.00 | 0.00 | 0.20 | 0.10 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 327 | 3.27 | 0.00 | 0.00 | 0.00 | 2/12/2026 | 3/16/2026 4:00:03 PM EST |
| 90.00 | 0.00 | 0.05 | 0.03 | 0.35 | 0.00 | 0.00% | 0.00 | 0 | 1,702 | 2.89 | 0.00 | 0.00 | 0.00 | 2/24/2026 | 3/16/2026 4:00:03 PM EST |
| 95.00 | 0.00 | 0.05 | 0.03 | 0.20 | 0.00 | 0.00% | 0.00 | 0 | 385 | 3.06 | 0.00 | 0.00 | 0.00 | 1/23/2026 | 3/16/2026 4:00:03 PM EST |
| 100.00 | 0.00 | 0.05 | 0.03 | 0.04 | -0.06 | -60.00% | 0.00 | 3 | 432 | 3.23 | 0.00 | 0.00 | 0.00 | 3/16/2026 | 3/16/2026 4:00:03 PM EST |
| 105.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 379 | 0.00 | 0.00 | 0.00 | 0.00 | 2/20/2026 | 3/16/2026 4:00:03 PM EST |
| 110.00 | 0.00 | 0.05 | 0.03 | 1.80 | 0.00 | 0.00% | 0.00 | 0 | 375 | 0.00 | 0.00 | 0.00 | 0.00 | 9/15/2025 | 3/16/2026 4:00:03 PM EST |
| 115.00 | 0.00 | 0.05 | 0.03 | 0.46 | 0.00 | 0.00% | 0.00 | 0 | 16 | 0.00 | 0.00 | 0.00 | 0.00 | 10/24/2025 | 3/16/2026 4:00:03 PM EST |
| 120.00 | 0.00 | 0.05 | 0.03 | 1.05 | 0.00 | 0.00% | 0.00 | 0 | 8 | 0.00 | 0.00 | 0.00 | 0.00 | 9/9/2025 | 3/16/2026 4:00:03 PM EST |
| 125.00 | 0.00 | 1.60 | 0.80 | 0.80 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.00 | 0.00 | 0.00 | 0.00 | 9/3/2025 | 3/16/2026 4:00:03 PM EST |
| 130.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 135.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 140.00 | 0.00 | 2.05 | 1.03 | % | 0.01 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 145.00 | 0.00 | 1.60 | 0.80 | % | 0.01 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 2 | 14 | 1.76 | 0.00 | 0.00 | 0.00 | 3/16/2026 | 3/16/2026 4:00:03 PM EST |
| 35.00 | 0.00 | 0.35 | 0.18 | 0.08 | -0.02 | -20.00% | 0.01 | 2 | 91 | 1.26 | 0.00 | 0.00 | 0.00 | 3/16/2026 | 3/16/2026 4:00:03 PM EST |
| 40.00 | 0.10 | 0.20 | 0.15 | 0.33 | 0.00 | 0.00% | 0.00 | 0 | 735 | 0.62 | -0.11 | 0.06 | -0.06 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 45.00 | 1.70 | 2.00 | 1.85 | 1.85 | -0.54 | -22.60% | 0.04 | 17 | 5,243 | 0.41 | -0.73 | 0.14 | -0.11 | 3/16/2026 | 3/16/2026 4:00:03 PM EST |
| 50.00 | 6.10 | 6.50 | 6.30 | 6.40 | +0.07 | +1.11% | 0.13 | 11 | 724 | 0.91 | -0.99 | 0.01 | -0.01 | 3/16/2026 | 3/16/2026 4:00:03 PM EST |
| 55.00 | 10.10 | 12.40 | 11.25 | 11.10 | 0.00 | 0.00% | 0.20 | 0 | 542 | 2.30 | -1.00 | 0.00 | 0.00 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 60.00 | 15.10 | 17.50 | 16.30 | 15.95 | 0.00 | 0.00% | 0.27 | 0 | 93 | 2.89 | -1.00 | 0.00 | 0.00 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 65.00 | 21.10 | 21.50 | 21.30 | 20.90 | 0.00 | 0.00% | 0.33 | 0 | 61 | 2.10 | -1.00 | 0.00 | 0.00 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 70.00 | 24.70 | 28.20 | 26.45 | 25.90 | 0.00 | 0.00% | 0.38 | 0 | 32 | 4.30 | -1.00 | 0.00 | 0.00 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 75.00 | 29.60 | 33.20 | 31.40 | 30.38 | 0.00 | 0.00% | 0.42 | 0 | 2 | 4.68 | -1.00 | 0.00 | 0.00 | 2/27/2026 | 3/16/2026 4:00:03 PM EST |
| 80.00 | 36.10 | 36.70 | 36.40 | 35.90 | 0.00 | 0.00% | 0.45 | 0 | 19 | 3.19 | -1.00 | 0.00 | 0.00 | 3/13/2026 | 3/16/2026 4:00:03 PM EST |
| 85.00 | 39.60 | 43.10 | 41.35 | 40.40 | 0.00 | 0.00% | 0.49 | 0 | 2 | 5.24 | -1.00 | 0.00 | 0.00 | 2/27/2026 | 3/16/2026 4:00:03 PM EST |
| 90.00 | 44.60 | 48.30 | 46.45 | 9.60 | 0.00 | 0.00% | 0.52 | 0 | 0 | 5.69 | -1.00 | 0.00 | 0.00 | 10/3/2025 | 3/16/2026 4:00:03 PM EST |
| 95.00 | 49.60 | 53.30 | 51.45 | % | 0.54 | 0 | 0 | 5.95 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 100.00 | 54.60 | 58.30 | 56.45 | 20.55 | 0.00 | 0.00% | 0.56 | 0 | 0 | 6.20 | -1.00 | 0.00 | 0.00 | 10/8/2025 | 3/16/2026 4:00:03 PM EST |
| 105.00 | 59.60 | 62.80 | 61.20 | % | 0.58 | 0 | 0 | 5.97 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 110.00 | 64.60 | 68.30 | 66.45 | 31.10 | 0.00 | 0.00% | 0.60 | 0 | 0 | 6.64 | -1.00 | 0.00 | 0.00 | 10/24/2025 | 3/16/2026 4:00:03 PM EST |
| 115.00 | 69.70 | 73.30 | 71.50 | % | 0.62 | 0 | 0 | 6.85 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 120.00 | 74.70 | 78.30 | 76.50 | % | 0.64 | 0 | 0 | 7.04 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 125.00 | 79.60 | 83.30 | 81.45 | % | 0.65 | 0 | 0 | 7.23 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 130.00 | 84.60 | 88.30 | 86.45 | % | 0.67 | 0 | 0 | 7.40 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 135.00 | 89.60 | 93.30 | 91.45 | % | 0.68 | 0 | 0 | 7.56 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 140.00 | 94.60 | 98.30 | 96.45 | % | 0.69 | 0 | 0 | 7.72 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST | |||
| 145.00 | 99.60 | 103.30 | 101.45 | % | 0.70 | 0 | 0 | 7.87 | -1.00 | 0.00 | 0.00 | 3/16/2026 4:00:03 PM EST |