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CoStar Group Inc (CSGP)

Symbol	Exchange	Currency
CSGP	NASDAQ	USD	Real-time
1CSGP	Milan	EUR	Real-time
C1GP34	B3	BRL	Delayed

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33.92 -1.53 -4.32%

20:59:59 - Closed. Currency in USD

After Hours

33.92

0.00

0.00%

21:18:56 - Real-time Data

Type: Equity

Market: United States

Volume: 7,247,169
Bid/Ask: 0.00 / 0.00
Day's Range: 33.79 - 35.59

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CoStar Option Chain

Get free option data for CSGP. You'll find Call and Put Strike Prices, Last Price, Change, Volume, Implied Volatility, Theoretical and Greeks for CoStar options for the expiration dates selected. Below this information you can also find an open interest chart for the share's options.

Expiration Date:

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Strike Price:

Quotes Analysis

Oct 23, 2026 20:05 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	15.9	18.1	0	17.50	0	0%	0	0.55	0
CSGP Call 17.50 Exp: Nov 20, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261120\|17.50C Delta0.9749 Imp Vol1.3807 Bid15.9 Gamma0.0045 Theoretical17 Ask18.1 Theta-0.0155 Intrinsic Value16.42 Volume0 Vega0.0056 Time Value-16.42 Open Interest0 Rho0.0126 Delta / Theta-63.022 CSGP Put 17.50 Exp: Nov 20, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261120\|17.50P Delta-0.0386 Imp Vol1.5755 Bid0 Gamma0.0056 Theoretical0.28 Ask0.55 Theta-0.0222 Intrinsic Value-16.42 Volume0 Vega0.008 Time Value16.42 Open Interest0 Rho-0.0011 Delta / Theta1.7371
0	0%	13.4	15.6	0	20.00	0	0%	0	0.6	0
CSGP Call 20.00 Exp: Nov 20, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261120\|20.00C Delta0.9708 Imp Vol1.1279 Bid13.4 Gamma0.0062 Theoretical14.5 Ask15.6 Theta-0.0147 Intrinsic Value13.92 Volume0 Vega0.0063 Time Value-13.92 Open Interest0 Rho0.0144 Delta / Theta-65.8939 CSGP Put 20.00 Exp: Nov 20, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261120\|20.00P Delta-0.0491 Imp Vol1.3329 Bid0 Gamma0.008 Theoretical0.3 Ask0.6 Theta-0.0228 Intrinsic Value-13.92 Volume0 Vega0.0097 Time Value13.92 Open Interest3 Rho-0.0014 Delta / Theta2.154
0	0%	11.8	13.4	0	22.50	0.1	0%	0.05	0.1	0
CSGP Call 22.50 Exp: Nov 20, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261120\|22.50C Delta0.9019 Imp Vol1.3952 Bid11.8 Gamma0.0131 Theoretical12.6 Ask13.4 Theta-0.0429 Intrinsic Value11.42 Volume0 Vega0.0164 Time Value-11.42 Open Interest2 Rho0.0141 Delta / Theta-21.0127 CSGP Put 22.50 Exp: Nov 20, 2026 Last: 0.1 Chg.: 0% SymbolCSGP\|20261120\|22.50P Delta-0.0237 Imp Vol0.8198 Bid0.05 Gamma0.0072 Theoretical0.08 Ask0.1 Theta-0.0077 Intrinsic Value-11.42 Volume0 Vega0.0053 Time Value11.52 Open Interest157 Rho-0.0006 Delta / Theta3.0828
					33.92	Price @ Oct 23, 2026 20:05 GMT
2.3	-9.45%	2	2.25	10	35.00	2.7	22.73%	2.55	2.8	130
CSGP Call 35.00 Exp: Nov 20, 2026 Last: 2.3 Chg.: -9.45% SymbolCSGP\|20261120\|35.00C Delta0.4959 Imp Vol0.6309 Bid2 Gamma0.0666 Theoretical2.13 Ask2.25 Theta-0.0443 Intrinsic Value-1.08 Volume10 Vega0.0379 Time Value3.38 Open Interest388 Rho0.0114 Delta / Theta-11.1967 CSGP Put 35.00 Exp: Nov 20, 2026 Last: 2.7 Chg.: 22.73% SymbolCSGP\|20261120\|35.00P Delta-0.5075 Imp Vol0.6179 Bid2.55 Gamma0.0682 Theoretical2.68 Ask2.8 Theta-0.04 Intrinsic Value1.08 Volume130 Vega0.0379 Time Value1.62 Open Interest81 Rho-0.013 Delta / Theta12.6897
1	0%	0.6	0.75	0	40.00	0	0%	6.1	6.4	0
CSGP Call 40.00 Exp: Nov 20, 2026 Last: 1 Chg.: 0% SymbolCSGP\|20261120\|40.00C Delta0.2162 Imp Vol0.6241 Bid0.6 Gamma0.0494 Theoretical0.68 Ask0.75 Theta-0.0318 Intrinsic Value-6.08 Volume0 Vega0.0279 Time Value7.08 Open Interest345 Rho0.0052 Delta / Theta-6.8083 CSGP Put 40.00 Exp: Nov 20, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261120\|40.00P Delta-0.793 Imp Vol0.6148 Bid6.1 Gamma0.0496 Theoretical6.25 Ask6.4 Theta-0.0272 Intrinsic Value6.08 Volume0 Vega0.027 Time Value-6.08 Open Interest1 Rho-0.0177 Delta / Theta29.11
0.25	0%	0.15	0.3	0	45.00	0	0%	10.1	11.1	0
CSGP Call 45.00 Exp: Nov 20, 2026 Last: 0.25 Chg.: 0% SymbolCSGP\|20261120\|45.00C Delta0.0842 Imp Vol0.6598 Bid0.15 Gamma0.0246 Theoretical0.23 Ask0.3 Theta-0.0176 Intrinsic Value-11.08 Volume0 Vega0.0147 Time Value11.33 Open Interest56 Rho0.002 Delta / Theta-4.7891 CSGP Put 45.00 Exp: Nov 20, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261120\|45.00P Delta-0.9882 Imp Vol0.4976 Bid10.1 Gamma0.0066 Theoretical10.7 Ask11.1 Theta-0.0017 Intrinsic Value11.08 Volume0 Vega0.0026 Time Value-11.08 Open Interest2 Rho-0.0045 Delta / Theta583.3554

Open Positions

Calls

Puts

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