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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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35.96 -0.28 -0.77%

03:59:59 - Closed. Currency in USD

After Hours

35.50

-0.46

-1.28%

8:30:37 - Real-time Data

Type: Equity

Market: United States

Volume: 7,354,880
Bid/Ask: 0.00 / 0.00
Day's Range: 35.88 - 37.39

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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:

Show:

Strike Price:

Quotes Analysis

Apr 28, 2026 20:06 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	13.4	14.8	0	22.50	0.08	0%	0	0.05	1
CSGP Call 22.50 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260515\|22.50C Delta0.9385 Imp Vol1.6145 Bid13.4 Gamma0.0096 Theoretical14.1 Ask14.8 Theta-0.047 Intrinsic Value13.46 Volume0 Vega0.0095 Time Value-13.46 Open Interest0 Rho0.0092 Delta / Theta-19.9545 CSGP Put 22.50 Exp: May 15, 2026 Last: 0.08 Chg.: 0% SymbolCSGP\|20260515\|22.50P Delta-0.0091 Imp Vol0.9786 Bid0 Gamma0.0032 Theoretical0.03 Ask0.05 Theta-0.0055 Intrinsic Value-13.46 Volume1 Vega0.0019 Time Value13.54 Open Interest3 Rho-0.0002 Delta / Theta1.6598
0	0%	11	12.3	0	25.00	0.13	0%	0.1	0.15	21
CSGP Call 25.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260515\|25.00C Delta0.9206 Imp Vol1.3627 Bid11 Gamma0.0139 Theoretical11.65 Ask12.3 Theta-0.0484 Intrinsic Value10.96 Volume0 Vega0.0115 Time Value-10.96 Open Interest0 Rho0.0101 Delta / Theta-19.0193 CSGP Put 25.00 Exp: May 15, 2026 Last: 0.13 Chg.: 0% SymbolCSGP\|20260515\|25.00P Delta-0.0373 Imp Vol1.0283 Bid0.1 Gamma0.0101 Theoretical0.13 Ask0.15 Theta-0.0191 Intrinsic Value-10.96 Volume21 Vega0.0064 Time Value11.09 Open Interest6 Rho-0.0006 Delta / Theta1.9542
6.75	0%	6.7	7	10	30.00	0.55	10%	0.4	0.6	419
CSGP Call 30.00 Exp: May 15, 2026 Last: 6.75 Chg.: 0% SymbolCSGP\|20260515\|30.00C Delta0.8621 Imp Vol0.8796 Bid6.7 Gamma0.0321 Theoretical6.75 Ask7 Theta-0.0469 Intrinsic Value5.96 Volume10 Vega0.0172 Time Value0.79 Open Interest10 Rho0.0114 Delta / Theta-18.3717 CSGP Put 30.00 Exp: May 15, 2026 Last: 0.55 Chg.: 10% SymbolCSGP\|20260515\|30.00P Delta-0.1413 Imp Vol0.8941 Bid0.4 Gamma0.0321 Theoretical0.55 Ask0.6 Theta-0.0455 Intrinsic Value-5.96 Volume419 Vega0.0175 Time Value6.51 Open Interest1,165 Rho-0.0024 Delta / Theta3.1079
					35.96	Price @ Apr 28, 2026 20:06 GMT
1.1	-4.35%	1	1.15	525	40.00	4.44	0%	4.6	5	22
CSGP Call 40.00 Exp: May 15, 2026 Last: 1.1 Chg.: -4.35% SymbolCSGP\|20260515\|40.00C Delta0.3075 Imp Vol0.78 Bid1 Gamma0.0577 Theoretical1.1 Ask1.15 Theta-0.064 Intrinsic Value-4.04 Volume525 Vega0.0274 Time Value5.14 Open Interest732 Rho0.0047 Delta / Theta-4.8076 CSGP Put 40.00 Exp: May 15, 2026 Last: 4.44 Chg.: 0% SymbolCSGP\|20260515\|40.00P Delta-0.7019 Imp Vol0.7556 Bid4.6 Gamma0.0591 Theoretical4.8 Ask5 Theta-0.0577 Intrinsic Value4.04 Volume22 Vega0.027 Time Value0.4 Open Interest198 Rho-0.011 Delta / Theta12.157
0.34	-8.11%	0.2	0.45	1	45.00	8.9	0%	8.3	9.5	0
CSGP Call 45.00 Exp: May 15, 2026 Last: 0.34 Chg.: -8.11% SymbolCSGP\|20260515\|45.00C Delta0.1196 Imp Vol0.7949 Bid0.2 Gamma0.0322 Theoretical0.34 Ask0.45 Theta-0.0368 Intrinsic Value-9.04 Volume1 Vega0.0156 Time Value9.38 Open Interest329 Rho0.0019 Delta / Theta-3.2478 CSGP Put 45.00 Exp: May 15, 2026 Last: 8.9 Chg.: 0% SymbolCSGP\|20260515\|45.00P Delta-0.9457 Imp Vol0.6206 Bid8.3 Gamma0.0234 Theoretical8.9 Ask9.5 Theta-0.0135 Intrinsic Value9.04 Volume0 Vega0.0085 Time Value-0.14 Open Interest408 Rho-0.0094 Delta / Theta70.2843
0.1	-28.57%	0.05	0.15	640	50.00	0	0%	12.9	14.4	0
CSGP Call 50.00 Exp: May 15, 2026 Last: 0.1 Chg.: -28.57% SymbolCSGP\|20260515\|50.00C Delta0.0411 Imp Vol0.8171 Bid0.05 Gamma0.0138 Theoretical0.1 Ask0.15 Theta-0.0167 Intrinsic Value-14.04 Volume640 Vega0.0069 Time Value14.14 Open Interest162 Rho0.0006 Delta / Theta-2.4663 CSGP Put 50.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolCSGP\|20260515\|50.00P Delta0 Imp Vol0 Bid12.9 Gamma0 Theoretical0 Ask14.4 Theta0 Intrinsic Value14.04 Volume0 Vega0 Time Value-14.04 Open Interest3 Rho0 Delta / Theta0

Open Positions

Calls

Puts

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Recent Quotes

	Name	Price	Chg.	Chg. %
	CSGP	35.96	-0.28	-0.77%

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