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CSGP
CoStar Group Inc
stock NASDAQ

Market Open

Sep 30, 2026 9:34:14 AM EDT

26.96USD+0.037%(+0.01)140,299

26.88Bid 26.98Ask 0.10Spread

Pre-market

Sep 30, 2026 9:21:30 AM EDT

27.14USD+0.705%(+0.19)1,000

After-hours

Sep 29, 2026 4:08:30 PM EDT

26.95USD0.000%(0.00)0

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Oct 16, 2026 Nov 20, 2026 Dec 18, 2026 Jan 15, 2027 Mar 19, 2027 Apr 16, 2027 Jun 17, 2027 Sep 17, 2027 Jan 21, 2028 Jan 19, 2029

ITM/OTM for Mar 19, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
85	8,727	1,470	1,096

CSGP Mar 19, 2027 Exp. - Volume by Strike

Puts

Calls

CSGP Mar 19, 2027 Exp. - Open Interest by Strike

Puts

Calls

CSGP Mar 19, 2027 Exp. - Max Pain @ $35.00

Puts

Calls

CSGP Mar 19, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
70.00 C	0.55	+34.15%	4	10	07-28	CSGP270319C00070000
65.00 C	0.53	-86.75%	3	3	07-02	CSGP270319C00065000
60.00 C	0.65	0.00%	1	10	08-20	CSGP270319C00060000
55.00 C	0.22	-51.11%	1	42	09-28	CSGP270319C00055000
50.00 C	0.50	-33.33%	1	13	09-25	CSGP270319C00050000
45.00 C	0.55	0.00%	10	8,046	09-29	CSGP270319C00045000
40.00 C	0.95	-8.65%	23	354	09-28	CSGP270319C00040000
35.00 C	2.17	+10.15%	6	112	09-25	CSGP270319C00035000
30.00 C	3.05	-7.58%	1	137	09-28	CSGP270319C00030000
25.00 C	10.00	+21.95%	25	48	08-20	CSGP270319C00025000
22.50 C	9.00	-34.07%	4	8	07-31	CSGP270319C00022500
20.00 C	13.20	-10.81%	1	23	08-20	CSGP270319C00020000
17.50 C	16.30	+12.03%	2	6	08-13	CSGP270319C00017500
15.00 C	0	0%	0			CSGP270319C00015000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
70.00 P	28.75	+2.68%	70	71	03-24	CSGP270319P00070000
65.00 P	33.81	+33.69%	5	5	09-14	CSGP270319P00065000
60.00 P	33.20	+5.40%	4	3	09-29	CSGP270319P00060000
55.00 P	24.05	-4.11%	1	0	09-15	CSGP270319P00055000
50.00 P	0	0%	0			CSGP270319P00050000
45.00 P	16.86	+62.12%	2	4	09-23	CSGP270319P00045000
40.00 P	10.24	-19.05%	1	26	08-17	CSGP270319P00040000
35.00 P	9.05	+22.30%	1	1,145	09-28	CSGP270319P00035000
30.00 P	5.10	+21.43%	4	216	09-24	CSGP270319P00030000
25.00 P	2.50	+16.28%	33	159	09-24	CSGP270319P00025000
22.50 P	1.70	+17.24%	2	24	09-28	CSGP270319P00022500
20.00 P	1.05	+50.00%	4	850	09-29	CSGP270319P00020000
17.50 P	0.50	-23.08%	5	28	08-25	CSGP270319P00017500
15.00 P	0.30	-57.75%	8	35	09-28	CSGP270319P00015000

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