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CSGP — CoStar Group Inc

Nasdaq

CoStar Group Inc

CompareBack to Screener
$27.38
-0.34(-1.23%)
O
27.48
H
27.81
L
27.15
V
3.72M
⏱️ End-of-day dataAs of Oct 2, 2026
OverviewStatisticsFinancialsHistorical DataOptionsDividend HistoryNewsChart
Underlying Price$27.38
Implied Volatility (IV)0.7%
Put / Call Ratio0.47
Total Options Volume28
Total Open Interest6.3K
Selected Expiration2026-10-16

CSGP

Options Calculator
Expiration
CALLSSTRIKEPUTS
CalculatorLastChg% ChgBidAskVolOIIVStrikeLastChg% ChgBidAskVolOIIVCalculator
$3.00+0.00-$2.45$3.20-230.6%$25.00ATM$0.25+0.00-$0.10$0.5032.2K0.4%
$0.26-0.10-$0.20$0.35168580.5%$30.00$2.96+0.36-$2.55$3.4068230.5%

Open Interest & Max Pain

2026-10-16
Max Pain$30.00+9.6% vs price
Call Open Interest2.9K
Put Open Interest3.3K
Put / Call (Open Interest)1.15
CallsPutsPrice $27.38Max painTop of chart = 2.2K contracts
22.5
25
30Max pain $30

Max pain is the strike where the open options would be worth the least at expiration, i.e. where option buyers as a group would lose the most. The chart shows strikes within 20% of the price. Open interest is from the last end-of-day update.