Options Chain for COSTAR GROUP INC COM (CSGP) - $30.00 as of 7/5/2026 8:44:17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17.50 | 11.80 | 13.30 | 12.55 | % | 0.72 | 0 | 0 | 1.38 | 0.99 | 0.00 | 0.00 | 7/2/2026 4:00:11 PM EST | |||
| 20.00 | 9.90 | 12.30 | 11.10 | % | 0.55 | 0 | 0 | 1.16 | 0.96 | 0.01 | -0.01 | 7/2/2026 4:00:11 PM EST | |||
| 22.50 | 7.70 | 8.60 | 8.15 | % | 0.36 | 0 | 0 | 0.75 | 0.90 | 0.02 | -0.02 | 7/2/2026 4:00:11 PM EST | |||
| 25.00 | 5.00 | 6.40 | 5.70 | 5.96 | +0.66 | +12.46% | 0.23 | 2 | 2 | 0.52 | 0.81 | 0.04 | -0.02 | 7/2/2026 | 7/2/2026 4:00:11 PM EST |
| 30.00 | 1.80 | 3.10 | 2.45 | 2.90 | +0.10 | +3.58% | 0.08 | 34 | 141 | 0.55 | 0.55 | 0.06 | -0.03 | 7/2/2026 | 7/2/2026 4:00:11 PM EST |
| 35.00 | 0.90 | 1.25 | 1.08 | 1.10 | +0.02 | +1.86% | 0.03 | 17 | 587 | 0.61 | 0.29 | 0.05 | -0.02 | 7/2/2026 | 7/2/2026 4:00:11 PM EST |
| 40.00 | 0.30 | 0.60 | 0.45 | 0.36 | 0.00 | 0.00% | 0.01 | 0 | 1,257 | 0.63 | 0.13 | 0.03 | -0.01 | 6/30/2026 | 7/2/2026 4:00:11 PM EST |
| 45.00 | 0.10 | 0.25 | 0.18 | 0.22 | +0.03 | +15.79% | 0.00 | 1 | 9 | 0.65 | 0.05 | 0.02 | -0.01 | 7/2/2026 | 7/2/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17.50 | 0.00 | 0.95 | 0.48 | 0.25 | 0.00 | 0.00% | 0.03 | 0 | 1 | 1.43 | -0.01 | 0.00 | 0.00 | 6/30/2026 | 7/2/2026 4:00:11 PM EST |
| 20.00 | 0.00 | 1.05 | 0.53 | % | 0.03 | 0 | 0 | 1.20 | -0.04 | 0.01 | -0.01 | 7/2/2026 4:00:11 PM EST | |||
| 22.50 | 0.35 | 0.60 | 0.48 | 0.50 | 0.00 | 0.00% | 0.02 | 0 | 15 | 0.71 | -0.10 | 0.02 | -0.02 | 7/1/2026 | 7/2/2026 4:00:11 PM EST |
| 25.00 | 0.60 | 1.05 | 0.83 | 0.90 | -0.10 | -10.00% | 0.03 | 38 | 273 | 0.64 | -0.19 | 0.04 | -0.02 | 7/2/2026 | 7/2/2026 4:00:11 PM EST |
| 30.00 | 2.05 | 3.40 | 2.73 | 2.65 | -0.20 | -7.02% | 0.09 | 4 | 161 | 0.63 | -0.45 | 0.06 | -0.03 | 7/2/2026 | 7/2/2026 4:00:11 PM EST |
| 35.00 | 5.10 | 6.20 | 5.65 | 5.95 | 0.00 | 0.00% | 0.16 | 0 | 5 | 0.65 | -0.71 | 0.05 | -0.02 | 6/24/2026 | 7/2/2026 4:00:11 PM EST |
| 40.00 | 9.30 | 10.70 | 10.00 | % | 0.25 | 0 | 0 | 0.74 | -0.87 | 0.03 | -0.01 | 7/2/2026 4:00:11 PM EST | |||
| 45.00 | 14.60 | 15.80 | 15.20 | % | 0.34 | 0 | 0 | 0.96 | -0.95 | 0.02 | -0.01 | 7/2/2026 4:00:11 PM EST |