Dark

Check out our Level2View

CSGP
CoStar Group Inc
stock NASDAQ

At Close

Aug 5, 2026 3:59:53 PM EDT

30.22USD+1.359%(+0.41)6,566,708

28.45Bid 31.74Ask 3.29Spread

Pre-market

Aug 5, 2026 9:29:31 AM EDT

30.39USD+1.946%(+0.58)11,852

After-hours

Aug 5, 2026 4:52:30 PM EDT

30.30USD+0.281%(+0.08)200

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Oct 16, 2026 Dec 18, 2026 Jan 15, 2027 Mar 19, 2027 Jun 17, 2027 Jan 21, 2028

ITM/OTM for Jun 17, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
56	6	1	81

CSGP Jun 17, 2027 Exp. - Volume by Strike

Puts

Calls

CSGP Jun 17, 2027 Exp. - Open Interest by Strike

Puts

Calls

CSGP Jun 17, 2027 Exp. - Max Pain @ $20.00

Puts

Calls

CSGP Jun 17, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
45.00 C	0	0%	0			CSGP270617C00045000
40.00 C	4.40	+29.41%	11	3	07-28	CSGP270617C00040000
35.00 C	4.50	+13.92%	2	3	07-31	CSGP270617C00035000
30.00 C	6.06	-5.31%	3	10	07-31	CSGP270617C00030000
25.00 C	9.10	+5.20%	1	8	08-04	CSGP270617C00025000
22.50 C	9.80	0%	11	11	07-31	CSGP270617C00022500
20.00 C	12.38	0%	20	20	07-08	CSGP270617C00020000
17.50 C	14.55	0%	2	2	07-17	CSGP270617C00017500
15.00 C	16.45	+1.04%	2	5	07-17	CSGP270617C00015000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
45.00 P	0	0%	0			CSGP270617P00045000
40.00 P	0	0%	0			CSGP270617P00040000
35.00 P	9.56	0%	1	1	06-25	CSGP270617P00035000
30.00 P	6.95	+19.83%	1	4	07-23	CSGP270617P00030000
25.00 P	3.50	-10.26%	21	16	08-03	CSGP270617P00025000
22.50 P	0	0%	0			CSGP270617P00022500
20.00 P	2.10	-2.33%	6	27	07-31	CSGP270617P00020000
17.50 P	1.70	+22.30%	1	2	07-24	CSGP270617P00017500
15.00 P	0.96	+12.94%	15	32	07-31	CSGP270617P00015000

Share