Costar Group

CSGP · NASDAQ

$33.05+$1.24 (+3.90%)TodayMarket closed · Oct 20, 4:05 PM ET

Prev close $31.81

CSGP options chain

Calls and puts around the current price

By Fri, Nov 20 options price a move of ±$5.03 (15.2%), between $27.98 and $38.03.

At-the-money implied volatility: 60.9%
Put/call open interest: 0.77
Total open interest: 1.89K
Underlying price: $33.00

CSGP options expiring Nov 20, 2026: calls on the left, puts on the right. Calls below $33.00 and puts above it are in the money.
Calls		Calls					Puts
Open int.	IV	Ask	Bid	Strike	Bid	Ask	IV	Open int.
8	64.6%	$9.20	$7.50	25	$0.15	$0.25	68.8%	564
453	66.9%	$4.80	$4.00	30	$0.85	$1.10	60.2%	190
CSGP $33.00
347	60.2%	$1.65	$1.55	35	$2.95	$3.90	61.5%	66
259	56.0%	$0.50	$0.25	40	$6.70	$8.10	65.6%	1

Volatility smile

Implied volatility by strike for Fri, Nov 20, calls and puts averaged.

Unusual options activity

The latest large trades, newest first

Unusual CSGP options trades
Contract	Trade	Contracts	Premium	Sentiment	Time
CSGP 45C Mar 19	Block	619	$64.99K	bullish	Oct 15, 9:30 AM ET
CSGP 30C Dec 18	Block	505	$138.88K	bearish	Oct 14, 3:10 PM ET
CSGP 30C Oct 16	Sweep	125	$12.50K	neutral	Oct 9, 11:56 AM ET
CSGP 50P Oct 16	Large	68	$138.04K	neutral	Oct 8, 3:08 PM ET
CSGP 35P Dec 18	Large	140	$109.48K	neutral	Sep 24, 10:47 AM ET
CSGP 30P Apr 16	Large	210	$105.00K	neutral	Sep 24, 9:38 AM ET
CSGP 50P Oct 16	Large	68	$139.40K	neutral	Sep 22, 3:05 PM ET
CSGP 40P Oct 16	Large	95	$107.54K	neutral	Sep 22, 11:03 AM ET

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