Costar Group Inc (CSGP)

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Costar Group Inc Stock (CSGP) Option Chain

For the September 18, 2026 expiration date, the CSGP stock option chain has a total of 123 contracts, with 108 call options and 15 put options. This indicates a leaning towards calls, suggesting bullish sentiment.

Other Key Expiration Dates:

October 16, 2026 : 58 contracts.
December 18, 2026 : 179 contracts.
January 15, 2027 : 26 contracts.
March 19, 2027 : 6 contracts.
January 21, 2028 : 44 contracts.

Costar Group Inc (CSGP) Most Active Options & Calendar

CSGP Call Options Expiring September 18, 2026

Strike	Price	Change	% Change	Volume
30.00	3.00	1.00	+50.00%	87
35.00	1.35	0.55	+68.75%	11
45.00	0.25	0.07	+38.89%	10
20.00	9.70	0.00	-	-
25.00	4.43	0.00	-	-
40.00	0.30	0.00	-	-
50.00	0.10	0.00	-	-

CSGP Put Options Expiring September 18, 2026

Strike	Price	Change	% Change	Volume
30.00	3.09	-0.91	-22.75%	7
22.50	0.70	-0.08	-10.26%	4
25.00	1.30	-0.12	-8.45%	4
20.00	0.40	0.00	-	-
35.00	6.50	0.00	-	-
40.00	10.95	0.00	-	-
45.00	10.36	0.00	-	-

Costar Group Inc Stock (CSGP) Option Chain Analysis

Put Volume Total	15
Call Volume Total	108
Put/Call Ratio (PCR)	0.14

Put Strike With Highest Volume	$30.00
Call Strike With Highest Volume	$30.00

COMP

$11.80

6.59%

JLL

$333.15

2.37%

BEKE

$16.39

3.15%

FSV

$140.23

2.02%

CIGI

$101.98

4.61%