3.66% -1.1425

Costar Group Inc (CSGP)

Overview News Price History Option Chain Financials Discussions Forecast Stock Split

Costar Group Inc Stock (CSGP) Option Chain

For the September 18, 2026 expiration date, the CSGP stock option chain has a total of 120 contracts, with 101 call options and 19 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
45.00	0.10	0.00	-	49
40.00	0.20	-0.20	-50.00%	27
35.00	0.70	-0.39	-35.78%	25
20.00	9.70	0.00	-	-
25.00	4.43	0.00	-	-
30.00	3.51	0.00	-	-
50.00	0.10	0.00	-	-

CSGP Put Options Expiring September 18, 2026

Strike	Price	Change	% Change	Volume
22.50	0.10	0.00	-	7
30.00	1.17	0.27	+30.00%	7
25.00	0.18	0.00	-	5
20.00	0.13	0.00	-	-
35.00	3.42	0.00	-	-
40.00	9.10	0.00	-	-
45.00	10.36	0.00	-	-

Costar Group Inc Stock (CSGP) Option Chain Analysis

Put Volume Total	19
Call Volume Total	101
Put/Call Ratio (PCR)	0.19

Put Strike With Highest Volume	$22.50
Call Strike With Highest Volume	$45.00

COMP

$12.32

5.46%

JLL

$368.98

1.61%

BEKE

$16.82

0.94%

FSV

$139.20

1.01%

CIGI

$103.00

2.11%