Tour v422
COST
COSTCO WHSL CORP NEW
$951.58 +1.77%
$950.31 (-0.13%)🌙
as of 07/27 06:04 PM
(7/27 15:05) ◀
|
Monday, July 27, 2026 (6:04pm)
January 2026
|
▶ (7/28 15:05)
◀ 7/27 18:04 ▶

Option Volume

Detail
ℹ
Current (07/27) 52,343
Calls: 21,293 (41%)
Puts: 31,050 (59%)
Prior (07/24) 59,446
Calls: 27,244 (46%)
Puts: 32,202 (54%)
Current vs Prior -11.95%
Calls: -21.84% (Calls)
Puts: -3.58% (Puts)
Prior 7-Day Total 345,701
Calls: 157,387 (46%)
Puts: 188,314 (54%)
Prior 7-Day Average 49,385
Calls: 22,483 (46%)
Puts: 26,902 (54%)
Current vs Prior 7-Day Avg +5.99%
Calls: -5.30%
Puts: +15.42%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/27) $33.26M
Calls: $20.57M (62%)
Puts: $12.69M (38%)
Prior (07/24) $21.08M
Calls: $11.93M (57%)
Puts: $9.15M (43%)
Current vs Prior +57.80%
Calls: +72.43%
Puts: +38.72%
Prior 7-Day Total $283.28M
Calls: $208.19M (73%)
Puts: $75.09M (27%)
Prior 7-Day Average $40.47M
Calls: $29.74M (73%)
Puts: $10.73M (27%)
Current vs Prior 7-Day Avg -17.82%
Calls: -30.83%
Puts: +18.26%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/27) 1.46
Prior (07/24) 1.18
Current vs Prior +23.37%
Prior 7-Day Average 1.25
Current vs Prior 7-Day Avg +16.97%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/27) 301,641
Calls: 145,021 (48%)
Puts: 156,620 (52%)
Prior (07/24) 190,904
Calls: 79,792 (42%)
Puts: 111,112 (58%)
Current vs Prior +58.01%
Prior 7-Day Total 1,948,099
Calls: 929,239 (48%)
Puts: 1,018,860 (52%)
Prior 7-Day Average 278,299
Calls: 132,748 (48%)
Puts: 145,551 (52%)
Current vs Prior 7-Day Avg +8.39%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 2.31% | 3.26%4.68% | 6.98%
Prior 2.33% | 3.62%4.89% | 7.01%
Current vs Prior -0.93% | -9.93%-4.15% | -0.45%
Prior 7-Day Avg 1.90% | 3.20%4.07% | 6.97%
Current vs 7-Day Avg +21.45% | +1.90%+15.14% | +0.18%
Prior 7-Day Eod 2.33% | 3.62%4.89% | 7.01%
Current vs 7-Day Eod -0.93% | -9.93%-4.15% | -0.45%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 15.66% | 20.37%
Calls: 10.76% | 18.29%
Puts: 20.56% | 22.44%
Prior 23.48% | 8.96%
Calls: 17.98% | 8.44%
Puts: 28.97% | 9.49%
Current vs Prior -33.30% | +127.34%
Prior 7-Day Avg 23.28% | 12.01%
Calls: 22.20% | 12.34%
Puts: 24.36% | 11.68%
Current vs 7-Day Avg -32.74% | +69.63%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bullish flow with 62% call dollar volume ($20.57M). Elevated premium activity with dollar volume up 58% vs prior. Bearish P/C ratio of 1.46 indicates protective positioning. Rising open interest (up 58%) indicates new positions being established.

Smart Money BULLISH
Retail Flow BEARISH
Overall BEARISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current BEARISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BEARISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current NEUTRAL
Prior BEARISH
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 49 of results (avg 7.3%, best 4.3%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$910.00Jul 3141.6543.50$42.584.3%360.94187
$780.00Aug 21170.70178.40$174.554.4%--0.9920
$765.00Aug 21184.70193.25$188.984.5%--0.9910
$800.00Aug 21151.05158.25$154.654.7%10.99132
$830.00Aug 21121.80127.65$124.734.7%--0.9816
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1060.00Aug 21104.55112.25$108.407.1%--0.9521
$1050.00Aug 2195.00102.35$98.687.4%--0.9422
$1040.00Aug 2185.2592.00$88.637.6%--0.93143
$1000.00Aug 2151.2055.45$53.338.0%170.79401
$920.00Aug 218.208.90$8.558.2%1740.26637

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. 161 found (avg delta 0.76, highest 0.99)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$870.00Jul 3179.2085.55$82.387.7%100.9916
$850.00Aug 799.30106.70$103.007.2%20.9926
$840.00Aug 7109.40116.70$113.056.5%--0.9916
$805.00Aug 7144.20151.50$147.854.9%--0.9960
$875.00Jul 3174.0579.95$77.007.7%--0.9922
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1060.00Aug 21104.55112.25$108.407.1%--0.9521
$995.00Jul 3140.1047.50$43.8016.9%--0.9411
$1050.00Aug 2195.00102.35$98.687.4%--0.9422
$1040.00Aug 2185.2592.00$88.637.6%--0.93143
$990.00Jul 3136.4041.60$39.0013.3%110.9335

Most actively traded options today. High liquidity = easy entry/exit. 513 active (total vol 33.7K, top 1.2K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$950.00Jul 3110.1511.70$10.9314.2%5130.53525
$1000.00Jul 310.400.53$0.4727.7%4990.04523
$1000.00Aug 216.257.00$6.6311.3%4270.211.7K
$1000.00Aug 71.982.60$2.2927.1%4220.12742
$1090.00Aug 70.010.17$0.09177.8%4200.0166
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$785.00Aug 280.200.84$0.52123.1%1.2K0.02125
$785.00Aug 210.000.64$0.32200.0%1.1K0.0121
$780.00Aug 280.300.74$0.5284.6%7400.02331
$780.00Aug 210.250.61$0.4383.7%7280.01369
$900.00Aug 71.052.24$1.6572.1%6400.09293

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 127 strikes (avg 42.8%, max 159.3%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$1120.00Jul 31Sep 465.2%25.1%159.3%315399
$1140.00Jul 31Sep 471.3%27.5%159.3%177711
$1130.00Jul 31Sep 468.3%26.8%154.9%116343
$1135.00Jul 31Sep 463.6%26.2%142.5%175598
$1125.00Jul 31Sep 461.9%25.7%141.2%75318
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$815.00Jul 31Sep 466.8%26.3%154.2%50784
$785.00Jul 31Sep 471.6%29.3%144.4%315543
$780.00Jul 31Sep 473.3%30.5%140.3%352627
$790.00Jul 31Sep 470.6%29.7%137.7%256117
$805.00Jul 31Aug 2166.8%30.6%118.2%218286

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 320 found (best R:R 141.86, avg 10.21)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$1085.00$1100.00Aug 21$0.11$14.89$0.11135.36$1085.11
$1100.00$1120.00Aug 21$0.15$19.85$0.15132.33$1100.15
$1120.00$1140.00Aug 21$0.15$19.85$0.15132.33$1120.15
$1070.00$1115.00Sep 4$0.36$44.64$0.36124.00$1070.36
$1130.00$1135.00Jul 31$0.11$4.89$0.1144.45$1130.11
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$815.00$795.00Sep 4$0.14$19.86$0.14141.86$814.86
$780.00$770.00Aug 28$0.12$9.88$0.1282.33$779.88
$780.00$770.00Sep 4$0.15$9.85$0.1565.67$779.85
$905.00$900.00Jul 31$0.10$4.90$0.1049.00$904.90
$840.00$835.00Aug 14$0.10$4.90$0.1049.00$839.90

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 404 found (best R:R 284.71, avg 3.39)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$800.00$860.00Aug 14$59.79$59.79$0.21284.71$859.79
$810.00$840.00Aug 7$29.77$29.77$0.23129.43$839.77
$850.00$890.00Aug 7$39.25$39.25$0.7552.33$889.25
$840.00$850.00Aug 21$9.81$9.81$0.1951.63$849.81
$890.00$895.00Aug 21$4.83$4.83$0.1728.41$894.83
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$1060.00$1050.00Aug 21$9.72$9.72$0.2834.71$1050.28
$995.00$990.00Jul 31$4.80$4.80$0.2024.00$990.20
$1030.00$1015.00Aug 14$14.27$14.27$0.7319.55$1015.73
$990.00$985.00Jul 31$4.67$4.67$0.3314.15$985.33
$1040.00$1020.00Aug 21$18.45$18.45$1.5511.90$1021.55

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 116 found (avg debit $2.73, cheapest $0.05)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1100.00Jul 31Aug 7$0.0847.7%32.9%
$1110.00Jul 31Aug 7$0.0857.5%37.0%
$1115.00Jul 31Aug 7$0.0963.6%40.2%
$1080.00Jul 31Aug 7$0.1945.6%32.4%
$1050.00Jul 31Aug 7$0.2436.4%26.9%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$850.00Jul 31Aug 7$0.0541.4%26.7%
$810.00Jul 31Aug 7$0.0664.6%40.4%
$770.00Jul 31Aug 7$0.0767.3%46.3%
$790.00Jul 31Aug 7$0.0770.6%44.8%
$780.00Jul 31Aug 7$0.0873.3%47.3%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 157 found (cheapest 2.03% of stock, avg 6.15%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$955.00Jul 31$8.30$11.05$19.35$935.65$974.352.03%
$950.00Jul 31$10.93$8.78$19.71$930.29$969.712.07%
$945.00Jul 31$13.63$6.48$20.11$924.89$965.112.11%
$960.00Jul 31$6.08$14.18$20.26$939.74$980.262.13%
$940.00Jul 31$16.65$4.58$21.23$918.77$961.232.23%
$965.00Jul 31$4.53$17.58$22.11$942.89$987.112.32%
$937.50Jul 31$18.88$4.08$22.96$914.54$960.462.41%
$970.00Jul 31$3.22$21.30$24.52$945.48$994.522.58%
$935.00Jul 31$21.25$3.40$24.65$910.35$959.652.59%
$932.50Jul 31$23.35$2.88$26.23$906.27$958.732.76%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 0.61% of stock, avg 3.12%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$975.00$935.00Jul 31$2.41$3.40$5.81$929.19$980.81
$975.00$937.50Jul 31$2.41$4.08$6.49$931.01$981.49
$970.00$935.00Jul 31$3.22$3.40$6.62$928.38$976.62
$975.00$940.00Jul 31$2.41$4.58$6.99$933.01$981.99
$970.00$937.50Jul 31$3.22$4.08$7.30$930.20$977.30
$970.00$940.00Jul 31$3.22$4.58$7.80$932.20$977.80
$965.00$935.00Jul 31$4.53$3.40$7.93$927.07$972.93
$965.00$937.50Jul 31$4.53$4.08$8.61$928.89$973.61
$975.00$945.00Jul 31$2.41$6.48$8.89$936.11$983.89
$965.00$940.00Jul 31$4.53$4.58$9.11$930.89$974.11

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 293 found (best R:R 92.02, avg credit $6.04)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
840/845850/890Aug 7$39.57$0.4392.02$805.43$889.57
785/790840/850Aug 28$9.84$0.1661.50$780.16$849.84
775/780830/840Aug 21$9.80$0.2049.00$770.20$839.80
820/825830/840Aug 21$9.77$0.2342.48$815.23$839.77
770/780840/850Aug 28$9.77$0.2342.48$770.23$849.77
810/815880/890Jul 31$9.76$0.2440.67$805.24$889.76
890/895910/915Aug 7$4.86$0.1434.71$890.14$914.86
870/875905/910Aug 14$4.86$0.1434.71$870.14$909.86
825/830865/900Aug 14$34.01$0.9934.35$795.99$899.01
850/855865/900Aug 14$33.94$1.0632.02$821.06$898.94

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 246 found (best R:R 99.00, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$995.00$1000.00$1005.00Aug 21$0.05$4.9599.00
$1055.00$1060.00$1065.00Jul 31$0.06$4.9482.33
$1075.00$1080.00$1085.00Jul 31$0.06$4.9482.33
$1030.00$1035.00$1040.00Aug 14$0.06$4.9482.33
$860.00$865.00$870.00Aug 21$0.06$4.9482.33
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$790.00$795.00$800.00Aug 7$0.06$4.9482.33
$890.00$895.00$900.00Aug 7$0.06$4.9482.33
$830.00$835.00$840.00Aug 21$0.06$4.9482.33
$880.00$885.00$890.00Jul 31$0.07$4.9370.43
$890.00$895.00$900.00Jul 31$0.07$4.9370.43

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 315 found (best net $-2.04, 290 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$1070.00$1115.001:2Sep 4-$2.04$42.96
$800.00$860.001:2Aug 14-$34.49$25.51
$1120.00$1140.001:2Aug 21-$0.05$19.95
$1100.00$1120.001:2Aug 21-$0.20$19.80
$850.00$890.001:2Aug 7-$24.50$15.50
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$1005.00$975.001:2Aug 14-$8.31$21.69
$820.00$800.001:2Aug 28-$0.03$19.97
$815.00$795.001:2Sep 4-$0.79$19.21
$900.00$880.001:2Sep 4-$1.67$18.33
$780.00$770.001:2Aug 7-$0.01$9.99

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 112 found (best yield 2.49%, avg 0.78%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$955.00Aug 28$23.700.500.4%2.49%2.85%2016
$960.00Sep 4$23.450.470.9%2.46%3.35%3--
$952.50Aug 21$21.900.510.1%2.30%2.40%629
$965.00Sep 4$21.300.441.4%2.24%3.65%31
$955.00Aug 21$20.500.490.4%2.15%2.51%57181
$960.00Aug 28$20.500.470.9%2.15%3.04%1111
$957.50Aug 21$19.150.480.6%2.01%2.63%282
$970.00Sep 4$18.800.411.9%1.98%3.91%7--
$965.00Aug 28$18.650.441.4%1.96%3.37%273
$952.50Aug 14$17.700.510.1%1.86%1.96%118--

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 21,293
Total Puts 31,050
Put/Call Ratio 1.46
Net Difference -9,757

Prior's Put/Call Breakdown

Total Calls 27,244
Total Puts 32,202
Put/Call Ratio 1.18
Net Difference -4,958

Prior 7-Day Put/Call Summary

Total Calls 157,387
Total Puts 188,314
Average Put/Call Ratio 1.25
Ratio Trend Rising

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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