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 80 contracts, with 72 call options and 8 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
35.00	0.25	-0.12	-32.43%	34
30.00	1.65	-0.30	-15.38%	30
45.00	0.03	-0.02	-40.00%	7
40.00	0.19	0.13	+216.67%	1
20.00	9.70	0.00	-	-
25.00	4.43	0.00	-	-
50.00	0.10	0.00	-	-

CSGP Put Options Expiring September 18, 2026

Strike	Price	Change	% Change	Volume
30.00	0.75	0.28	+59.57%	6
25.00	0.05	-0.04	-44.44%	1
35.00	4.20	0.38	+9.95%	1
20.00	0.10	0.00	-	-
22.50	0.07	0.00	-	-
40.00	8.70	0.00	-	-
45.00	10.36	0.00	-	-

Costar Group Inc Stock (CSGP) Option Chain Analysis

Put Volume Total	8
Call Volume Total	72
Put/Call Ratio (PCR)	0.11

Put Strike With Highest Volume	$30.00
Call Strike With Highest Volume	$35.00

COMP

$11.12

0.54%

JLL

$362.36

0.02%

FSV

$144.11

0.84%

BEKE

$17.92

0.06%

CIGI

$99.02

1.76%