Tour v366
CSGP
COSTAR GROUP INC
$29.68 -0.34%
(7/17 19:34) ◀
|
Monday, July 20, 2026 (6:22pm)
January 2026
|
▶ (7/21 18:23)
◀ 7/20 18:22 ▶

Option Volume

Detail
ℹ
Current (07/20) 1,565
Calls: 952 (61%)
Puts: 613 (39%)
Prior (07/17) 1,305
Calls: 658 (50%)
Puts: 647 (50%)
Current vs Prior +19.92%
Calls: +44.68% (Calls)
Puts: -5.26% (Puts)
Prior 7-Day Total 7,769
Calls: 3,340 (43%)
Puts: 4,429 (57%)
Prior 7-Day Average 1,109
Calls: 477 (43%)
Puts: 632 (57%)
Current vs Prior 7-Day Avg +41.01%
Calls: +99.52%
Puts: -3.12%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/20) $447.5K
Calls: $195.9K (44%)
Puts: $251.7K (56%)
Prior (07/17) $352.8K
Calls: $103.9K (29%)
Puts: $248.9K (71%)
Current vs Prior +26.87%
Calls: +88.56%
Puts: +1.12%
Prior 7-Day Total $2.31M
Calls: $844.9K (37%)
Puts: $1.47M (63%)
Prior 7-Day Average $330.3K
Calls: $120.7K (37%)
Puts: $209.6K (63%)
Current vs Prior 7-Day Avg +35.49%
Calls: +62.30%
Puts: +20.06%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (07/20) 0.64
Prior (07/17) 0.98
Current vs Prior -34.51%
Prior 7-Day Average 1.35
Current vs Prior 7-Day Avg -52.30%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (07/20) 17,189
Calls: 9,693 (56%)
Puts: 7,496 (44%)
Prior (07/17) 16,917
Calls: 8,833 (52%)
Puts: 8,084 (48%)
Current vs Prior +1.61%
Prior 7-Day Total 100,391
Calls: 54,110 (54%)
Puts: 46,281 (46%)
Prior 7-Day Average 14,341
Calls: 7,730 (54%)
Puts: 6,611 (46%)
Current vs Prior 7-Day Avg +19.85%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (09/18)
Current 16.07% | 19.64%
Prior 16.15% | 19.91%
Current vs Prior -0.50% | -1.36%
Prior 7-Day Avg 7.82% | 17.81%
Current vs 7-Day Avg +105.50% | +10.32%
Prior 7-Day Eod 16.15% | 19.91%
Current vs 7-Day Eod -0.50% | -1.36%
Sentiment BULLISH

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

Bullish P/C ratio of 0.64. P/C ratio dropping 35% - sentiment shifting bullish.

Smart Money BEARISH
Retail Flow BULLISH
Overall BULLISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BEARISH
Prior BEARISH
7-Day Avg BEARISH
Current BULLISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BULLISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BULLISH
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 1 of results (avg 4.3%, best 4.3%)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$30.00Aug 212.302.40$2.354.3%2640.53217
PUTS (0)
No puts meet the criteria

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. 1 found (avg delta 0.53, highest 0.53)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$30.00Aug 212.302.40$2.354.3%2640.53217
PUTS (0)
No puts meet the criteria

Most actively traded options today. High liquidity = easy entry/exit. 5 active (total vol 594, top 264)

CALLS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$30.00Aug 212.302.40$2.354.3%2640.53217
$35.00Aug 210.650.85$0.7526.7%800.24682
PUTS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$30.00Aug 212.252.60$2.4214.5%1420.47361
$25.00Aug 210.500.90$0.7057.1%1010.18821
$22.50Aug 210.300.40$0.3528.6%70.10172

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. 3 found (best R:R 6.14, avg 3.39)

BULL CALL (1)
BuySellExpiryDebitMax GainMax LossR:RBE
$30.00$35.00Aug 21$1.60$3.40$1.602.12$31.60
BEAR PUT (2)
BuySellExpiryDebitMax GainMax LossR:RBE
$25.00$22.50Aug 21$0.35$2.15$0.356.14$24.65
$30.00$25.00Aug 21$1.72$3.28$1.721.91$28.28

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 3 found (best R:R 0.52, avg 0.38)

BEAR CALL (1)
SellBuyExpiryCreditMax GainMax LossR:RBE
$30.00$35.00Aug 21$1.60$1.60$3.400.47$31.60
BULL PUT (2)
SellBuyExpiryCreditMax GainMax LossR:RBE
$30.00$25.00Aug 21$1.72$1.72$3.280.52$28.28
$25.00$22.50Aug 21$0.35$0.35$2.150.16$24.65

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. 1 found (cheapest 16.07% of stock, avg 16.07%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$30.00Aug 21$2.35$2.42$4.77$25.23$34.7716.07%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 3 found (cheapest 3.71% of stock, avg 6.43%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$35.00$22.50Aug 21$0.75$0.35$1.10$21.40$36.10
$35.00$25.00Aug 21$0.75$0.70$1.45$23.55$36.45
$35.00$30.00Aug 21$0.75$2.42$3.17$26.83$38.17

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 1 found (best R:R 0.64, avg credit $1.95)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
22/2530/35Aug 21$1.95$3.050.64$23.05$31.95

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

No setups found for this strategy

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 3 found (best net $--, 1 credits)

CALLS (1)
Buy KSell KRatioExpiryNetMax Gain
$30.00$35.001:2Aug 21$0.85$4.15
PUTS (2)
Buy KSell KRatioExpiryNetMax Gain
$25.00$22.501:2Aug 21$0.00$2.50
$30.00$25.001:2Aug 21$1.02$3.98

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 2 found (best yield 7.75%, avg 4.97%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$30.00Aug 21$2.300.531.1%7.75%8.83%264217
$35.00Aug 21$0.650.2417.9%2.19%20.11%80682

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 952
Total Puts 613
Put/Call Ratio 0.64
Net Difference 339

Prior's Put/Call Breakdown

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

Prior 7-Day Put/Call Summary

Total Calls 3,340
Total Puts 4,429
Average Put/Call Ratio 1.35
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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