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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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31.12 -0.36 -1.14%

03:59:59 - Closed. Currency in USD

After Hours

31.19

+0.06

+0.19%

7:55:25 - Real-time Data

Type: Equity

Market: United States

Volume: 4,039,545
Bid/Ask: 0.00 / 0.00
Day's Range: 30.65 - 31.52

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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

Aug 11, 2026 20:06 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	12.6	14.7	0	17.50	0.05	0%	0	0.15	0
CSGP Call 17.50 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|17.50C Delta0.9967 Imp Vol1.3552 Bid12.6 Gamma0.0014 Theoretical13.87 Ask14.7 Theta-0.0053 Intrinsic Value13.63 Volume0 Vega0.0005 Time Value-13.63 Open Interest16 Rho0.0048 Delta / Theta-189.7354 CSGP Put 17.50 Exp: Aug 21, 2026 Last: 0.05 Chg.: 0% SymbolCSGP\|20260821\|17.50P Delta-0.0193 Imp Vol1.8407 Bid0 Gamma0.0049 Theoretical0.07 Ask0.15 Theta-0.0224 Intrinsic Value-13.63 Volume0 Vega0.0024 Time Value13.68 Open Interest86 Rho-0.0002 Delta / Theta0.8627
0	0%	10.1	12.4	0	20.00	0.1	0%	0	0.15	1
CSGP Call 20.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|20.00C Delta0.997 Imp Vol1.0228 Bid10.1 Gamma0.0017 Theoretical11.37 Ask12.4 Theta-0.0044 Intrinsic Value11.13 Volume0 Vega0.0005 Time Value-11.13 Open Interest0 Rho0.0054 Delta / Theta-224.9977 CSGP Put 20.00 Exp: Aug 21, 2026 Last: 0.1 Chg.: 0% SymbolCSGP\|20260821\|20.00P Delta-0.024 Imp Vol1.4662 Bid0 Gamma0.0074 Theoretical0.08 Ask0.15 Theta-0.0214 Intrinsic Value-11.13 Volume1 Vega0.0029 Time Value11.23 Open Interest57 Rho-0.0002 Delta / Theta1.1214
0	0%	7.8	9.3	0	22.50	0.14	0%	0	0.15	0
CSGP Call 22.50 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|22.50C Delta0.9977 Imp Vol0.7238 Bid7.8 Gamma0.0019 Theoretical8.87 Ask9.3 Theta-0.0036 Intrinsic Value8.63 Volume0 Vega0.0004 Time Value-8.63 Open Interest5 Rho0.0061 Delta / Theta-278.9226 CSGP Put 22.50 Exp: Aug 21, 2026 Last: 0.14 Chg.: 0% SymbolCSGP\|20260821\|22.50P Delta-0.0307 Imp Vol1.1306 Bid0 Gamma0.0118 Theoretical0.07 Ask0.15 Theta-0.0203 Intrinsic Value-8.63 Volume0 Vega0.0036 Time Value8.77 Open Interest418 Rho-0.0003 Delta / Theta1.5165
					31.13	Price @ Aug 11, 2026 20:06 GMT
0.2	0%	0.15	0.35	0	35.00	0	0%	3.6	4.5	0
CSGP Call 35.00 Exp: Aug 21, 2026 Last: 0.2 Chg.: 0% SymbolCSGP\|20260821\|35.00C Delta0.1555 Imp Vol0.6204 Bid0.15 Gamma0.0742 Theoretical0.25 Ask0.35 Theta-0.0389 Intrinsic Value-3.87 Volume0 Vega0.0124 Time Value4.07 Open Interest1,500 Rho0.0013 Delta / Theta-3.9982 CSGP Put 35.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|35.00P Delta-0.796 Imp Vol0.7476 Bid3.6 Gamma0.0735 Theoretical4.05 Ask4.5 Theta-0.0527 Intrinsic Value3.87 Volume0 Vega0.0147 Time Value-3.87 Open Interest235 Rho-0.006 Delta / Theta15.0982
0.1	0%	0	0.3	0	40.00	0	0%	8.1	9.9	0
CSGP Call 40.00 Exp: Aug 21, 2026 Last: 0.1 Chg.: 0% SymbolCSGP\|20260821\|40.00C Delta0.0723 Imp Vol0.9541 Bid0 Gamma0.0278 Theoretical0.15 Ask0.3 Theta-0.0343 Intrinsic Value-8.87 Volume0 Vega0.0071 Time Value8.97 Open Interest1,982 Rho0.0006 Delta / Theta-2.1092 CSGP Put 40.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|40.00P Delta-0.8708 Imp Vol1.2 Bid8.1 Gamma0.0341 Theoretical9 Ask9.9 Theta-0.063 Intrinsic Value8.87 Volume0 Vega0.0109 Time Value-8.87 Open Interest0 Rho-0.0069 Delta / Theta13.8234
0	0%	0	0.3	0	45.00	0	0%	12.8	14.9	0
CSGP Call 45.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|45.00C Delta0.0568 Imp Vol1.2899 Bid0 Gamma0.017 Theoretical0.15 Ask0.3 Theta-0.0383 Intrinsic Value-13.87 Volume0 Vega0.0059 Time Value13.87 Open Interest22 Rho0.0004 Delta / Theta-1.4812 CSGP Put 45.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|45.00P Delta-0.9263 Imp Vol1.4033 Bid12.8 Gamma0.0194 Theoretical13.85 Ask14.9 Theta-0.0481 Intrinsic Value13.87 Volume0 Vega0.0072 Time Value-13.87 Open Interest2 Rho-0.0072 Delta / Theta19.238

Open Positions

Calls

Puts

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