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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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28.91 -0.13 -0.45%

03:53:39 - Real-time Cboe. Currency in USD

Type: Equity

Market: United States

Volume: 3,113,837
Bid/Ask: 0.00 / 0.00
Day's Range: 28.32 - 29.63

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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 stock's options.

Expiration Date:

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Strike Price:

Quotes Analysis

Sep 22, 2026 19:36 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	12.7	14.7	0	15.00	0	0%	0	0.15	0
CSGP Call 15.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|15.00C Delta0.9962 Imp Vol0.9999 Bid12.7 Gamma0.0015 Theoretical13.78 Ask14.7 Theta-0.0032 Intrinsic Value13.95 Volume0 Vega0.0008 Time Value-13.95 Open Interest6 Rho0.0098 Delta / Theta-311.2252 CSGP Put 15.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|15.00P Delta-0.0186 Imp Vol1.3304 Bid0 Gamma0.0047 Theoretical0.08 Ask0.15 Theta-0.0093 Intrinsic Value-13.95 Volume0 Vega0.0034 Time Value13.95 Open Interest8 Rho-0.0004 Delta / Theta2.0133
0	0%	10.3	12.3	0	17.50	0	0%	0	0.3	0
CSGP Call 17.50 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|17.50C Delta0.9901 Imp Vol0.8761 Bid10.3 Gamma0.0041 Theoretical11.3 Ask12.3 Theta-0.0053 Intrinsic Value11.45 Volume0 Vega0.0019 Time Value-11.45 Open Interest0 Rho0.0113 Delta / Theta-188.2321 CSGP Put 17.50 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|17.50P Delta-0.0378 Imp Vol1.1968 Bid0 Gamma0.0093 Theoretical0.15 Ask0.3 Theta-0.015 Intrinsic Value-11.45 Volume0 Vega0.0061 Time Value11.45 Open Interest4 Rho-0.0008 Delta / Theta2.5191
0	0%	8.6	8.9	0	20.00	0	0%	0	0.25	0
CSGP Call 20.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|20.00C Delta0.9948 Imp Vol0.5719 Bid8.6 Gamma0.0036 Theoretical8.79 Ask8.9 Theta-0.0033 Intrinsic Value8.95 Volume0 Vega0.0011 Time Value-8.95 Open Interest1 Rho0.013 Delta / Theta-302.362 CSGP Put 20.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|20.00P Delta-0.043 Imp Vol0.8868 Bid0 Gamma0.014 Theoretical0.12 Ask0.25 Theta-0.0123 Intrinsic Value-8.95 Volume0 Vega0.0067 Time Value8.95 Open Interest10 Rho-0.0008 Delta / Theta3.4917
					28.95	Price @ Sep 22, 2026 19:36 GMT
0.95	-22.13%	0.9	1	49	30.00	2.15	19.44%	2	2.25	26
CSGP Call 30.00 Exp: Oct 16, 2026 Last: 0.95 Chg.: -22.13% SymbolCSGP\|20261016\|30.00C Delta0.3971 Imp Vol0.4904 Bid0.9 Gamma0.1067 Theoretical0.95 Ask1 Theta-0.0301 Intrinsic Value-1.05 Volume49 Vega0.0284 Time Value2 Open Interest835 Rho0.0069 Delta / Theta-13.2073 CSGP Put 30.00 Exp: Oct 16, 2026 Last: 2.15 Chg.: 19.44% SymbolCSGP\|20261016\|30.00P Delta-0.6084 Imp Vol0.4812 Bid2 Gamma0.109 Theoretical2.13 Ask2.25 Theta-0.0268 Intrinsic Value1.05 Volume26 Vega0.0283 Time Value1.1 Open Interest856 Rho-0.0105 Delta / Theta22.7306
0.15	-40%	0.1	0.2	21	35.00	0	0%	6.1	6.6	0
CSGP Call 35.00 Exp: Oct 16, 2026 Last: 0.15 Chg.: -40% SymbolCSGP\|20261016\|35.00C Delta0.0874 Imp Vol0.5332 Bid0.1 Gamma0.0404 Theoretical0.15 Ask0.2 Theta-0.0132 Intrinsic Value-6.05 Volume21 Vega0.0117 Time Value6.2 Open Interest1,110 Rho0.0016 Delta / Theta-6.6017 CSGP Put 35.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|35.00P Delta-0.9262 Imp Vol0.5218 Bid6.1 Gamma0.0376 Theoretical6.35 Ask6.6 Theta-0.0094 Intrinsic Value6.05 Volume0 Vega0.0101 Time Value-6.05 Open Interest963 Rho-0.0106 Delta / Theta98.1419
0.05	0%	0	0.1	0	40.00	0	0%	10.5	12.3	0
CSGP Call 40.00 Exp: Oct 16, 2026 Last: 0.05 Chg.: 0% SymbolCSGP\|20261016\|40.00C Delta0.0288 Imp Vol0.6463 Bid0 Gamma0.0138 Theoretical0.05 Ask0.1 Theta-0.0066 Intrinsic Value-11.05 Volume0 Vega0.0049 Time Value11.1 Open Interest494 Rho0.0005 Delta / Theta-4.3615 CSGP Put 40.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|40.00P Delta-0.929 Imp Vol0.8337 Bid10.5 Gamma0.0227 Theoretical11.4 Ask12.3 Theta-0.0152 Intrinsic Value11.05 Volume0 Vega0.0099 Time Value-11.05 Open Interest201 Rho-0.013 Delta / Theta60.9292

Open Positions

Calls

Puts

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