Tour v452
CSGP
COSTAR GROUP INC
$30.33 +3.98%
$26.40 (-12.96%)🌙
as of 07/28 06:01 PM
(7/28 14:05) ◀
|
Tuesday, July 28, 2026 (6:01pm)
January 2026
|
▶ (7/29 18:29)
◀ 7/28 18:01 ▶

Option Volume

Detail
ℹ
Current (07/28) 2,754
Calls: 1,877 (68%)
Puts: 877 (32%)
Prior (07/27) 3,988
Calls: 1,994 (50%)
Puts: 1,994 (50%)
Current vs Prior -30.94%
Calls: -5.87% (Calls)
Puts: -56.02% (Puts)
Prior 7-Day Total 13,513
Calls: 6,532 (48%)
Puts: 6,981 (52%)
Prior 7-Day Average 1,930
Calls: 933 (48%)
Puts: 997 (52%)
Current vs Prior 7-Day Avg +42.66%
Calls: +101.15%
Puts: -12.06%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/28) $550.5K
Calls: $372.8K (68%)
Puts: $177.7K (32%)
Prior (07/27) $724.4K
Calls: $381.0K (53%)
Puts: $343.5K (47%)
Current vs Prior -24.01%
Calls: -2.15%
Puts: -48.27%
Prior 7-Day Total $3.10M
Calls: $1.17M (38%)
Puts: $1.93M (62%)
Prior 7-Day Average $442.8K
Calls: $167.3K (38%)
Puts: $275.5K (62%)
Current vs Prior 7-Day Avg +24.31%
Calls: +122.79%
Puts: -35.50%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/28) 0.47
Prior (07/27) 1.00
Current vs Prior -53.28%
Prior 7-Day Average 1.45
Current vs Prior 7-Day Avg -67.68%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (07/28) 57,614
Calls: 40,297 (70%)
Puts: 17,317 (30%)
Prior (07/27) 55,208
Calls: 39,190 (71%)
Puts: 16,018 (29%)
Current vs Prior +4.36%
Prior 7-Day Total 155,803
Calls: 100,180 (64%)
Puts: 55,623 (36%)
Prior 7-Day Average 22,257
Calls: 14,311 (64%)
Puts: 7,946 (36%)
Current vs Prior 7-Day Avg +158.85%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (09/18)
Current 16.91% | 19.95%
Prior 16.28% | 20.50%
Current vs Prior +3.87% | -2.70%
Prior 7-Day Avg 16.75% | 20.59%
Current vs 7-Day Avg +0.96% | -3.11%
Prior 7-Day Eod 16.28% | 20.50%
Current vs 7-Day Eod +3.87% | -2.70%
Sentiment BEARISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 5.11% | 5.74%
Calls: 4.95% | 5.41%
Puts: 5.26% | 6.07%
Prior 8.54% | 6.68%
Calls: 9.09% | 6.90%
Puts: 8.00% | 6.45%
Current vs Prior -40.16% | -14.07%
Prior 7-Day Avg 7.69% | 8.14%
Calls: 9.21% | 7.04%
Puts: 6.18% | 9.23%
Current vs 7-Day Avg -33.56% | -29.46%
Liquidity Pricy
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🤖 AI Insights

Moderately bullish flow with 68% call dollar volume ($372.8K). Extreme bullish P/C ratio of 0.47 - heavy call buying (1,877 calls vs 877 puts). P/C ratio dropping 53% - sentiment shifting bullish. Call-heavy open interest (40,297 calls vs 17,317 puts) suggests bullish positioning.

Smart Money BULLISH
Retail Flow BULLISH
Overall BULLISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BEARISH
Current BULLISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BULLISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BULLISH
Prior BULLISH
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. 3 found (avg delta 0.71, highest 0.84)

CALLS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$25.00Aug 215.506.50$6.0016.7%20.84245
$30.00Aug 212.403.10$2.7525.5%1350.56496
PUTS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$35.00Aug 215.006.10$5.5519.8%230.73217

Most actively traded options today. High liquidity = easy entry/exit. 7 active (total vol 992, top 371)

CALLS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$35.00Aug 210.651.10$0.8851.1%1890.26762
$30.00Aug 212.403.10$2.7525.5%1350.56496
$25.00Aug 215.506.50$6.0016.7%20.84245
PUTS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$25.00Aug 210.400.70$0.5554.5%3710.152.2K
$30.00Aug 211.053.70$2.38111.3%2200.442.0K
$22.50Aug 210.100.25$0.1883.3%520.06254
$35.00Aug 215.006.10$5.5519.8%230.73217

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

No setups found for this strategy

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 5 found (best R:R 5.76, avg 2.06)

BULL CALL (2)
BuySellExpiryDebitMax GainMax LossR:RBE
$30.00$35.00Aug 21$1.87$3.13$1.871.67$31.87
$25.00$30.00Aug 21$3.25$1.75$3.250.54$28.25
BEAR PUT (3)
BuySellExpiryDebitMax GainMax LossR:RBE
$25.00$22.50Aug 21$0.37$2.13$0.375.76$24.63
$30.00$25.00Aug 21$1.83$3.17$1.831.73$28.17
$35.00$30.00Aug 21$3.17$1.83$3.170.58$31.83

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 5 found (best R:R 1.86, avg 0.99)

BEAR CALL (2)
SellBuyExpiryCreditMax GainMax LossR:RBE
$25.00$30.00Aug 21$3.25$3.25$1.751.86$28.25
$30.00$35.00Aug 21$1.87$1.87$3.130.60$31.87
BULL PUT (3)
SellBuyExpiryCreditMax GainMax LossR:RBE
$35.00$30.00Aug 21$3.17$3.17$1.831.73$31.83
$30.00$25.00Aug 21$1.83$1.83$3.170.58$28.17
$25.00$22.50Aug 21$0.37$0.37$2.130.17$24.63

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

No setups found for this strategy

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 3 found (cheapest 16.91% of stock, avg 19.90%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$30.00Aug 21$2.75$2.38$5.13$24.87$35.1316.91%
$35.00Aug 21$0.88$5.55$6.43$28.57$41.4321.20%
$25.00Aug 21$6.00$0.55$6.55$18.45$31.5521.60%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 3 found (cheapest 3.49% of stock, avg 6.32%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$35.00$22.50Aug 21$0.88$0.18$1.06$21.44$36.06
$35.00$25.00Aug 21$0.88$0.55$1.43$23.57$36.43
$35.00$30.00Aug 21$0.88$2.38$3.26$26.74$38.26

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 1 found (best R:R 0.81, avg credit $2.24)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
22/2530/35Aug 21$2.24$2.760.81$22.76$32.24

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 2 found (best R:R 2.73, cheapest $1.34)

CALLS (1)
LowMidHighExpiryDebitMax GainR:R
$25.00$30.00$35.00Aug 21$1.38$3.622.62
PUTS (1)
LowMidHighExpiryDebitMax GainR:R
$25.00$30.00$35.00Aug 21$1.34$3.662.73

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 5 found (best net $0.50, -- credits)

CALLS (2)
Buy KSell KRatioExpiryNetMax Gain
$25.00$30.001:2Aug 21$0.50$4.50
$30.00$35.001:2Aug 21$0.99$4.01
PUTS (3)
Buy KSell KRatioExpiryNetMax Gain
$35.00$30.001:2Aug 21$0.79$4.21
$30.00$25.001:2Aug 21$1.28$3.72
$25.00$22.501:2Aug 21$0.19$2.31

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 1 found (best yield 2.14%, avg 2.14%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$35.00Aug 21$0.650.2615.4%2.14%17.54%189762

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 1,877
Total Puts 877
Put/Call Ratio 0.47
Net Difference 1,000

Prior's Put/Call Breakdown

Total Calls 1,994
Total Puts 1,994
Put/Call Ratio 1.00
Net Difference --

Prior 7-Day Put/Call Summary

Total Calls 6,532
Total Puts 6,981
Average Put/Call Ratio 1.45
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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