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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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30.00 +0.79 +2.70%

21:59:59 - Closed. Currency in USD

After Hours

29.99

-0.01

-0.03%

23:30:06 - Real-time Data

Type: Equity

Market: United States

Volume: 5,619,715
Bid/Ask: 0.00 / 0.00
Day's Range: 29.11 - 30.02

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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

Oct 13, 2026 20:05 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	13.8	15.4	0	15.00	0	0%	0	0.05	0
CSGP Call 15.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|15.00C Delta0.9978 Imp Vol2.7761 Bid13.8 Gamma0.0009 Theoretical14.77 Ask15.4 Theta-0.0102 Intrinsic Value15 Volume0 Vega0.0002 Time Value-15 Open Interest6 Rho0.0012 Delta / Theta-97.7377 CSGP Put 15.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|15.00P Delta-0.0077 Imp Vol3.3252 Bid0 Gamma0.0024 Theoretical0.03 Ask0.05 Theta-0.0316 Intrinsic Value-15 Volume0 Vega0.0006 Time Value15 Open Interest8 Rho0 Delta / Theta0.243
0	0%	11.3	12.6	0	17.50	0	0%	0	0.45	0
CSGP Call 17.50 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|17.50C Delta0.9976 Imp Vol2.1535 Bid11.3 Gamma0.0013 Theoretical12.27 Ask12.6 Theta-0.0091 Intrinsic Value12.5 Volume0 Vega0.0002 Time Value-12.5 Open Interest0 Rho0.0014 Delta / Theta-109.0852 CSGP Put 17.50 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|17.50P Delta-0.0456 Imp Vol3.8711 Bid0 Gamma0.0092 Theoretical0.23 Ask0.45 Theta-0.1666 Intrinsic Value-12.5 Volume0 Vega0.0026 Time Value12.5 Open Interest0 Rho-0.0001 Delta / Theta0.2736
0	0%	8.8	10.2	0	20.00	0	0%	0	0.45	0
CSGP Call 20.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|20.00C Delta0.9973 Imp Vol1.6157 Bid8.8 Gamma0.0019 Theoretical9.77 Ask10.2 Theta-0.0081 Intrinsic Value10 Volume0 Vega0.0002 Time Value-10 Open Interest1 Rho0.0016 Delta / Theta-123.5718 CSGP Put 20.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|20.00P Delta-0.0573 Imp Vol3.0478 Bid0 Gamma0.014 Theoretical0.22 Ask0.45 Theta-0.1573 Intrinsic Value-10 Volume0 Vega0.0031 Time Value10 Open Interest10 Rho-0.0001 Delta / Theta0.3643
					30	Price @ Oct 13, 2026 20:05 GMT
0.7	40%	0.7	0.75	19	30.00	0.9	-31.3%	0.85	0.95	20
CSGP Call 30.00 Exp: Oct 16, 2026 Last: 0.7 Chg.: 40% SymbolCSGP\|20261016\|30.00C Delta0.4701 Imp Vol0.7731 Bid0.7 Gamma0.1908 Theoretical0.73 Ask0.75 Theta-0.1397 Intrinsic Value0 Volume19 Vega0.0107 Time Value0.7 Open Interest2,016 Rho0.0011 Delta / Theta-3.3649 CSGP Put 30.00 Exp: Oct 16, 2026 Last: 0.9 Chg.: -31.3% SymbolCSGP\|20261016\|30.00P Delta-0.5344 Imp Vol0.7208 Bid0.85 Gamma0.2046 Theoretical0.9 Ask0.95 Theta-0.1273 Intrinsic Value0 Volume20 Vega0.0107 Time Value0.9 Open Interest709 Rho-0.0012 Delta / Theta4.1994
0.07	16.67%	0.05	0.1	33	35.00	0	0%	5.1	5.9	0
CSGP Call 35.00 Exp: Oct 16, 2026 Last: 0.07 Chg.: 16.67% SymbolCSGP\|20261016\|35.00C Delta0.0602 Imp Vol1.1133 Bid0.05 Gamma0.0397 Theoretical0.08 Ask0.1 Theta-0.06 Intrinsic Value-5 Volume33 Vega0.0032 Time Value5.07 Open Interest4,566 Rho0.0001 Delta / Theta-1.0036 CSGP Put 35.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|35.00P Delta-0.8641 Imp Vol1.5312 Bid5.1 Gamma0.0554 Theoretical5.5 Ask5.9 Theta-0.1477 Intrinsic Value5 Volume0 Vega0.0059 Time Value-5 Open Interest115 Rho-0.0019 Delta / Theta5.8519
0.05	0%	0	0.45	0	40.00	0	0%	10	11.1	0
CSGP Call 40.00 Exp: Oct 16, 2026 Last: 0.05 Chg.: 0% SymbolCSGP\|20261016\|40.00C Delta0.0876 Imp Vol2.2359 Bid0 Gamma0.0264 Theoretical0.23 Ask0.45 Theta-0.1602 Intrinsic Value-10 Volume0 Vega0.0043 Time Value10.05 Open Interest494 Rho0.0002 Delta / Theta-0.5465 CSGP Put 40.00 Exp: Oct 16, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20261016\|40.00P Delta-0.8902 Imp Vol2.4382 Bid10 Gamma0.0286 Theoretical10.55 Ask11.1 Theta-0.2029 Intrinsic Value10 Volume0 Vega0.0051 Time Value-10 Open Interest0 Rho-0.0022 Delta / Theta4.3876

Open Positions

Calls

Puts

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