Tour v346
CSGP
COSTAR GROUP INC
$29.78 -1.94%
$30.36 (+1.95%)🌙
as of 07/17 07:34 PM
(7/16 18:20) ◀
|
Friday, July 17, 2026 (7:34pm)
January 2026
|
▶
◀ 7/17 19:34

Option Volume

Detail
ℹ
Current (07/17) 1,305
Calls: 658 (50%)
Puts: 647 (50%)
Prior (07/16) 1,268
Calls: 580 (46%)
Puts: 688 (54%)
Current vs Prior +2.92%
Calls: +13.45% (Calls)
Puts: -5.96% (Puts)
Prior 7-Day Total 7,946
Calls: 3,904 (49%)
Puts: 4,042 (51%)
Prior 7-Day Average 1,135
Calls: 557 (49%)
Puts: 577 (51%)
Current vs Prior 7-Day Avg +14.96%
Calls: +17.98%
Puts: +12.05%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/17) $352.8K
Calls: $103.9K (29%)
Puts: $248.9K (71%)
Prior (07/16) $363.9K
Calls: $117.8K (32%)
Puts: $246.0K (68%)
Current vs Prior -3.06%
Calls: -11.84%
Puts: +1.15%
Prior 7-Day Total $2.49M
Calls: $1.04M (42%)
Puts: $1.45M (58%)
Prior 7-Day Average $356.4K
Calls: $149.0K (42%)
Puts: $207.3K (58%)
Current vs Prior 7-Day Avg -1.01%
Calls: -30.29%
Puts: +20.04%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (07/17) 0.98
Prior (07/16) 1.19
Current vs Prior -17.11%
Prior 7-Day Average 1.24
Current vs Prior 7-Day Avg -20.69%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (07/17) 16,917
Calls: 8,833 (52%)
Puts: 8,084 (48%)
Prior (07/16) 12,637
Calls: 6,015 (48%)
Puts: 6,622 (52%)
Current vs Prior +33.87%
Prior 7-Day Total 91,705
Calls: 49,824 (54%)
Puts: 41,881 (46%)
Prior 7-Day Average 13,100
Calls: 7,117 (54%)
Puts: 5,983 (46%)
Current vs Prior 7-Day Avg +29.13%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/17) | Next (08/21)Expiry (07/17) | Next (08/21)
Current 1.18% | 16.15%1.18% | 16.15%
Prior 2.67% | 16.23%2.67% | 16.23%
Current vs Prior +505.59% | +22.67%-55.93% | -0.50%
Prior 7-Day Avg 6.56% | 17.52%6.56% | 17.52%
Current vs 7-Day Avg +146.21% | +13.68%-82.08% | -7.79%
Prior 7-Day Eod 2.67% | 16.23%2.67% | 16.23%
Current vs 7-Day Eod +505.59% | +22.67%-55.93% | -0.50%
Sentiment BEARISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 7.55% | 8.38%
Calls: 9.23% | 7.06%
Puts: 5.88% | 9.69%
Prior 7.55% | 8.38%
Calls: 9.23% | 7.06%
Puts: 5.88% | 9.69%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 7.55% | 8.38%
Calls: 9.23% | 7.06%
Puts: 5.88% | 9.69%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bearish flow with 71% put dollar volume ($248.9K). Rising open interest (up 34%) indicates new positions being established.

Smart Money BEARISH
Retail Flow NEUTRAL
Overall MIXED
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BEARISH
Prior BEARISH
7-Day Avg BEARISH
Current NEUTRAL
Prior NEUTRAL
7-Day Avg NEUTRAL
Current NEUTRAL
Prior NEUTRAL
7-Day Avg NEUTRAL
Current NEUTRAL
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BEARISH
Prior BULLISH
7-Day Avg BULLISH

📈 Options Analysis

🎯 Tightest Spreads
💰 Best Value Under $1
📊 High Delta (ITM)
🔥 High Volume
⏰ Backwardation
📈 Debit Spreads
📉 Credit Spreads
📅 Calendar Spreads
⚡ Straddles
🔀 Strangles
🦅 Iron Condors
🦋 Butterflies
⚖️ Ratio Spreads
🛡️ Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top -- of results (avg --%, best --%)

No options available for this category

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. -- found (avg $--, cheapest $--)

No options available for this category

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 4 found (avg delta 0.75, highest 1.00)

CALLS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$25.00Aug 215.306.10$5.7014.0%30.82--
$30.00Aug 212.102.55$2.3319.3%270.52208
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$35.00Jul 175.005.80$5.4014.8%101.00--
$30.00Jul 170.100.40$0.25120.0%560.67835

Most actively traded options today. High liquidity = easy entry/exit. 11 active (total vol 402, top 102)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$35.00Jul 170.000.05$0.03166.7%1020.03835
$30.00Jul 170.000.20$0.10200.0%660.34653
$35.00Aug 210.700.95$0.8330.1%540.25674
$30.00Aug 212.102.55$2.3319.3%270.52208
$25.00Aug 215.306.10$5.7014.0%30.82--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$30.00Jul 170.100.40$0.25120.0%560.67835
$25.00Aug 210.500.80$0.6546.2%460.17797
$30.00Aug 212.252.70$2.4818.1%250.47349
$25.00Jul 170.000.05$0.03166.7%120.02--
$35.00Jul 175.005.80$5.4014.8%101.00--

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 4 strikes (avg 899.1%, max 1677.3%)

CALLS (2)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$35.00Jul 17Aug 211087.3%67.1%1520.1%1561.5K
$30.00Jul 17Aug 21199.6%66.6%199.6%93861
PUTS (2)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$25.00Jul 17Aug 211204.6%67.8%1677.3%58797
$30.00Jul 17Aug 21199.6%66.6%199.6%811.2K

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 4 found (best R:R 21.73, avg 8.15)

BULL CALL (1)
BuySellExpiryDebitMax GainMax LossR:RBE
$30.00$35.00Aug 21$1.50$3.50$1.502.33$31.50
BEAR PUT (3)
BuySellExpiryDebitMax GainMax LossR:RBE
$30.00$25.00Jul 17$0.22$4.78$0.2221.73$29.78
$25.00$22.50Aug 21$0.32$2.18$0.326.81$24.68
$30.00$25.00Aug 21$1.83$3.17$1.831.73$28.17

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 5 found (best R:R 2.07, avg 0.66)

BEAR CALL (2)
SellBuyExpiryCreditMax GainMax LossR:RBE
$25.00$30.00Aug 21$3.37$3.37$1.632.07$28.37
$30.00$35.00Aug 21$1.50$1.50$3.500.43$31.50
BULL PUT (3)
SellBuyExpiryCreditMax GainMax LossR:RBE
$30.00$25.00Aug 21$1.83$1.83$3.170.58$28.17
$25.00$22.50Aug 21$0.32$0.32$2.180.15$24.68
$30.00$25.00Jul 17$0.22$0.22$4.780.05$29.78

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 4 found (avg debit $1.47, cheapest $0.62)

CALLS (2)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$35.00Jul 17Aug 21$0.801087.3%67.1%
$30.00Jul 17Aug 21$2.23199.6%66.6%
PUTS (2)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$25.00Jul 17Aug 21$0.621204.6%67.8%
$30.00Jul 17Aug 21$2.23199.6%66.6%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 4 found (cheapest 1.18% of stock, avg 14.22%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$30.00Jul 17$0.10$0.25$0.35$29.65$30.351.18%
$30.00Aug 21$2.33$2.48$4.81$25.19$34.8116.15%
$35.00Jul 17$0.03$5.40$5.43$29.57$40.4318.23%
$25.00Aug 21$5.70$0.65$6.35$18.65$31.3521.32%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 3 found (cheapest 3.90% of stock, avg 6.66%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$35.00$22.50Aug 21$0.83$0.33$1.16$21.34$36.16
$35.00$25.00Aug 21$0.83$0.65$1.48$23.52$36.48
$35.00$30.00Aug 21$0.83$2.48$3.31$26.69$38.31

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 1 found (best R:R 0.57, avg credit $1.82)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
22/2530/35Aug 21$1.82$3.180.57$23.18$31.82

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 2 found (best R:R 1.67, cheapest $1.87)

CALLS (1)
LowMidHighExpiryDebitMax GainR:R
$25.00$30.00$35.00Aug 21$1.87$3.131.67
PUTS (1)
LowMidHighExpiryDebitMax GainR:R
$25.00$30.00$35.00Jul 17$4.93$0.070.01

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 7 found (best net $-0.01, 1 credits)

CALLS (3)
Buy KSell KRatioExpiryNetMax Gain
$30.00$35.001:2Jul 17$0.04$4.96
$30.00$35.001:2Aug 21$0.67$4.33
$25.00$30.001:2Aug 21$1.04$3.96
PUTS (4)
Buy KSell KRatioExpiryNetMax Gain
$25.00$22.501:2Aug 21-$0.01$2.49
$30.00$25.001:2Jul 17$0.19$4.81
$30.00$25.001:2Aug 21$1.18$3.82
$35.00$30.001:2Jul 17$4.90$0.10

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 2 found (best yield 7.05%, avg 4.70%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$30.00Aug 21$2.100.520.7%7.05%7.79%27208
$35.00Aug 21$0.700.2517.5%2.35%19.88%54674

Current 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
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Prior's 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
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Current Put/Call Breakdown

Total Calls 658
Total Puts 647
Put/Call Ratio 0.98
Net Difference 11

Prior's Put/Call Breakdown

Total Calls 580
Total Puts 688
Put/Call Ratio 1.19
Net Difference -108

Prior 7-Day Put/Call Summary

Total Calls 3,904
Total Puts 4,042
Average Put/Call Ratio 1.24
Ratio Trend Falling

Daily Put/Call History (Last 7 Days)

Date Calls Puts Ratio Net Diff
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Upcoming Earnings - 2 Weeks Prior

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Upcoming Earnings - 1 Week Prior

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Earnings This Week

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Earnings - Day Before / Day After

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Options Activity Around Earnings

Ticker Earnings Date Days Away Call Volume Put Volume IV Rank
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Chart Title

Price — Past 7 Days

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