Price Alert

CoStar Group Inc. (CSGP)

NASDAQ: CSGP · Real-Time Price · USD

88.00

0.44 (0.50%)

At close: Aug 14, 2025, 3:59 PM

86.52

-1.68%

Pre-market: Aug 15, 2025, 08:17 AM EDT

CSGP Option Overview

Overview for all option chains of CSGP. As of August 15, 2025, CSGP options have an IV of 230.7% and an IV rank of 807.17%. The volume is 857 contracts, which is 33.41% of average daily volume of 2,565 contracts. The volume put-call ratio is 0.85, indicating a neutral sentiment in the market.

Implied Volatility

Implied Volatility (30d)

230.7%

IV Rank

807.17%

Historical Volatility

30.05%

IV Low

34.94% on Sep 19, 2024

IV High

59.19% on Aug 14, 2025

Open Interest (OI)

Today's Open Interest

62,802

Put-Call Ratio

1.42

Put Open Interest

36,876

Call Open Interest

25,926

Open Interest Avg (30-day)

52,463

Today vs Open Interest Avg (30-day)

119.71%

Option Volume

Today's Volume

857

Put-Call Ratio

0.85

Put Volume

395

Call Volume

462

Volume Avg (30-day)

2,565

Today vs Volume Avg (30-day)

33.41%

Option Chain Statistics

This table provides a comprehensive overview of all CSGP options grouped by their expiration dates.

Expiration	Call Vol	Put Vol	P/C Vol	Call OI	Put OI	P/C OI	Implied Volatility	Max Pain
Aug 15, 2025	116	18	0.16	8,748	23,769	2.72	230.7%	90
Sep 19, 2025	283	107	0.38	3,702	5,679	1.53	45.71%	90
Oct 17, 2025	28	229	8.18	3,950	1,583	0.4	34.78%	85
Jan 16, 2026	15	41	2.73	7,483	3,173	0.42	36.77%	85
Mar 20, 2026	0	0	0	747	585	0.78	34.33%	80
Apr 17, 2026	0	0	0	0	0	0	33.72%	45
Jun 18, 2026	0	0	0	327	1,623	4.96	35.01%	90
Sep 18, 2026	0	0	0	126	257	2.04	34.73%	90
Jan 15, 2027	20	0	0	843	207	0.25	34.19%	70