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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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29.83 -0.50 -1.65%

29/07 - Closed. Currency in USD

After Hours

29.95

+0.12

+0.40%

0:39:10 - Real-time Data

Type: Equity

Market: United States

Volume: 17,482,784
Bid/Ask: 0.00 / 0.00
Day's Range: 25.89 - 30.45

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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

Jul 29, 2026 20:06 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	11.8	13.5	0	17.50	0	0%	0	0.25	0
CSGP Call 17.50 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|17.50C Delta0.9537 Imp Vol1.4237 Bid11.8 Gamma0.0091 Theoretical12.65 Ask13.5 Theta-0.0241 Intrinsic Value12.33 Volume0 Vega0.0073 Time Value-12.33 Open Interest16 Rho0.01 Delta / Theta-39.5784 CSGP Put 17.50 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|17.50P Delta-0.0306 Imp Vol1.2472 Bid0 Gamma0.0074 Theoretical0.13 Ask0.25 Theta-0.014 Intrinsic Value-12.33 Volume0 Vega0.0052 Time Value12.33 Open Interest86 Rho-0.0006 Delta / Theta2.1908
0	0%	9.6	11	0	20.00	0.05	0%	0	0.5	10
CSGP Call 20.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|20.00C Delta0.9228 Imp Vol1.2716 Bid9.6 Gamma0.0152 Theoretical10.3 Ask11 Theta-0.0317 Intrinsic Value9.83 Volume0 Vega0.0109 Time Value-9.83 Open Interest0 Rho0.0109 Delta / Theta-29.0907 CSGP Put 20.00 Exp: Aug 21, 2026 Last: 0.05 Chg.: 0% SymbolCSGP\|20260821\|20.00P Delta-0.0604 Imp Vol1.141 Bid0 Gamma0.014 Theoretical0.25 Ask0.5 Theta-0.0221 Intrinsic Value-9.83 Volume10 Vega0.009 Time Value9.88 Open Interest47 Rho-0.0012 Delta / Theta2.7343
6.7	0%	7.1	8.5	5	22.50	0.15	-6.25%	0.1	0.2	14
CSGP Call 22.50 Exp: Aug 21, 2026 Last: 6.7 Chg.: 0% SymbolCSGP\|20260821\|22.50C Delta0.9021 Imp Vol0.9716 Bid7.1 Gamma0.0237 Theoretical7.8 Ask8.5 Theta-0.0293 Intrinsic Value7.33 Volume5 Vega0.013 Time Value-0.63 Open Interest5 Rho0.0121 Delta / Theta-30.82 CSGP Put 22.50 Exp: Aug 21, 2026 Last: 0.15 Chg.: -6.25% SymbolCSGP\|20260821\|22.50P Delta-0.0568 Imp Vol0.7655 Bid0.1 Gamma0.0199 Theoretical0.15 Ask0.2 Theta-0.0141 Intrinsic Value-7.33 Volume14 Vega0.0086 Time Value7.48 Open Interest222 Rho-0.0011 Delta / Theta4.0363
					29.83	Price @ Jul 29, 2026 20:06 GMT
1.8	-29.41%	1.6	2.05	235	30.00	1.9	-11.63%	1.85	2	382
CSGP Call 30.00 Exp: Aug 21, 2026 Last: 1.8 Chg.: -29.41% SymbolCSGP\|20260821\|30.00C Delta0.5228 Imp Vol0.6274 Bid1.6 Gamma0.0848 Theoretical1.83 Ask2.05 Theta-0.042 Intrinsic Value-0.17 Volume235 Vega0.0298 Time Value1.97 Open Interest490 Rho0.0087 Delta / Theta-12.4348 CSGP Put 30.00 Exp: Aug 21, 2026 Last: 1.9 Chg.: -11.63% SymbolCSGP\|20260821\|30.00P Delta-0.4787 Imp Vol0.6252 Bid1.85 Gamma0.0853 Theoretical1.93 Ask2 Theta-0.0392 Intrinsic Value0.17 Volume382 Vega0.0298 Time Value1.73 Open Interest2,152 Rho-0.0087 Delta / Theta12.226
0.55	-36.78%	0.45	0.55	79	35.00	7.12	31.85%	4.9	5.8	1
CSGP Call 35.00 Exp: Aug 21, 2026 Last: 0.55 Chg.: -36.78% SymbolCSGP\|20260821\|35.00C Delta0.1959 Imp Vol0.6617 Bid0.45 Gamma0.0557 Theoretical0.5 Ask0.55 Theta-0.0304 Intrinsic Value-5.17 Volume79 Vega0.0207 Time Value5.72 Open Interest821 Rho0.0034 Delta / Theta-6.4525 CSGP Put 35.00 Exp: Aug 21, 2026 Last: 7.12 Chg.: 31.85% SymbolCSGP\|20260821\|35.00P Delta-0.8624 Imp Vol0.5477 Bid4.9 Gamma0.0546 Theoretical5.35 Ask5.8 Theta-0.0176 Intrinsic Value5.17 Volume1 Vega0.0164 Time Value1.95 Open Interest227 Rho-0.0124 Delta / Theta49.0663
0.09	-70%	0.05	0.35	12	40.00	0	0%	9.2	10.7	0
CSGP Call 40.00 Exp: Aug 21, 2026 Last: 0.09 Chg.: -70% SymbolCSGP\|20260821\|40.00C Delta0.0817 Imp Vol0.7737 Bid0.05 Gamma0.026 Theoretical0.2 Ask0.35 Theta-0.0193 Intrinsic Value-10.17 Volume12 Vega0.0113 Time Value10.26 Open Interest1,994 Rho0.0014 Delta / Theta-4.2379 CSGP Put 40.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260821\|40.00P Delta-0.9863 Imp Vol0.5676 Bid9.2 Gamma0.0086 Theoretical10.13 Ask10.7 Theta-0.0023 Intrinsic Value10.17 Volume0 Vega0.0024 Time Value-10.17 Open Interest0 Rho-0.0048 Delta / Theta437.1977

Open Positions

Calls

Puts

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