Tour v477
COST
COSTCO WHSL CORP NEW
$951.89 -0.24%
$951.75 (-0.01%)🌙
as of 07/31 06:04 PM
(7/31 15:05) ◀
|
Friday, July 31, 2026 (6:04pm)
January 2026
|
▶ (8/3 15:05)
◀ 7/31 18:04 ▶

Option Volume

Detail
ℹ
Current (07/31) 57,333
Calls: 21,125 (37%)
Puts: 36,208 (63%)
Prior (07/30) 57,716
Calls: 19,454 (34%)
Puts: 38,262 (66%)
Current vs Prior -0.66%
Calls: +8.59% (Calls)
Puts: -5.37% (Puts)
Prior 7-Day Total 368,172
Calls: 147,069 (40%)
Puts: 221,103 (60%)
Prior 7-Day Average 52,596
Calls: 21,009 (40%)
Puts: 31,586 (60%)
Current vs Prior 7-Day Avg +9.01%
Calls: +0.55%
Puts: +14.63%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/31) $26.82M
Calls: $17.41M (65%)
Puts: $9.41M (35%)
Prior (07/30) $22.82M
Calls: $12.08M (53%)
Puts: $10.74M (47%)
Current vs Prior +17.53%
Calls: +44.13%
Puts: -12.38%
Prior 7-Day Total $266.95M
Calls: $198.85M (74%)
Puts: $68.11M (26%)
Prior 7-Day Average $38.14M
Calls: $28.41M (74%)
Puts: $9.73M (26%)
Current vs Prior 7-Day Avg -29.67%
Calls: -38.72%
Puts: -3.25%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/31) 1.71
Prior (07/30) 1.97
Current vs Prior -12.85%
Prior 7-Day Average 1.55
Current vs Prior 7-Day Avg +10.76%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/31) 367,357
Calls: 162,892 (44%)
Puts: 204,465 (56%)
Prior (07/30) 349,646
Calls: 155,373 (44%)
Puts: 194,273 (56%)
Current vs Prior +5.07%
Prior 7-Day Total 1,844,321
Calls: 841,967 (46%)
Puts: 1,002,354 (54%)
Prior 7-Day Average 263,474
Calls: 120,281 (46%)
Puts: 143,193 (54%)
Current vs Prior 7-Day Avg +39.43%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 0.61% | 2.71%4.64% | 7.10%
Prior 1.38% | 2.82%4.53% | 6.83%
Current vs Prior +96.82% | +30.69%+2.44% | +3.92%
Prior 7-Day Avg 1.81% | 3.13%4.84% | 7.10%
Current vs 7-Day Avg +50.11% | +18.01%-4.18% | -0.08%
Prior 7-Day Eod 1.38% | 2.82%4.53% | 6.83%
Current vs 7-Day Eod +96.82% | +30.69%+2.44% | +3.92%
Sentiment BEARISHBEARISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 54.26% | 9.29%
Calls: 40.96% | 9.45%
Puts: 67.56% | 9.14%
Prior 36.08% | 14.96%
Calls: 35.87% | 15.06%
Puts: 36.29% | 14.85%
Current vs Prior +50.39% | -37.90%
Prior 7-Day Avg 25.13% | 13.63%
Calls: 23.39% | 13.47%
Puts: 26.87% | 13.80%
Current vs 7-Day Avg +115.89% | -31.85%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bullish flow with 65% call dollar volume ($17.41M). Extreme bearish P/C ratio of 1.71 - heavy put buying.

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 BEARISH
7-Day Avg NEUTRAL
Current BEARISH
Prior BEARISH
7-Day Avg NEUTRAL
Current BEARISH
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 55 of results (avg 7.4%, best 3.7%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$805.00Aug 7145.50151.00$148.253.7%--0.9960
$850.00Aug 21103.20107.35$105.283.9%--0.9732
$840.00Aug 7110.65116.00$113.334.7%--0.9916
$840.00Aug 21112.70118.35$115.534.9%--0.9742
$765.00Aug 21184.00194.00$189.005.3%--0.9910
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1060.00Aug 21104.45111.65$108.056.7%--0.9321
$1055.00Aug 28100.35107.50$103.936.9%20.92--
$1020.00Aug 2166.6571.75$69.207.4%30.87116
$1050.00Aug 2895.55102.95$99.257.5%100.91--
$1000.00Aug 2150.2054.15$52.187.6%120.80393

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. 209 found (avg delta 0.77, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$875.00Jul 3175.0080.45$77.727.0%--1.0022
$900.00Jul 3148.0054.00$51.0011.8%41.0054
$910.00Jul 3139.8545.20$42.5312.6%51.00141
$920.00Jul 3129.8534.05$31.9513.1%21.00121
$925.00Jul 3123.5030.40$26.9525.6%61.0086
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1010.00Jul 3154.6060.00$57.309.4%11.001
$1000.00Jul 3144.5551.50$48.0314.5%10.99--
$980.00Jul 3125.2531.65$28.4522.5%60.986
$975.00Jul 3119.2526.40$22.8331.3%40.98103
$965.00Jul 3110.5514.85$12.7033.9%240.96158

Most actively traded options today. High liquidity = easy entry/exit. 559 active (total vol 40.2K, top 1.7K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1140.00Sep 110.371.68$1.02128.4%1.5K0.03--
$1140.00Sep 40.241.47$0.86143.0%1.5K0.03125
$960.00Jul 310.010.25$0.13184.6%9110.06298
$950.00Jul 311.223.20$2.2189.6%7950.74459
$955.00Jul 310.010.45$0.23191.3%6880.14529
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$780.00Sep 40.180.65$0.42111.9%1.7K0.01620
$780.00Sep 110.260.79$0.53100.0%1.3K0.02--
$950.00Jul 310.280.71$0.5086.0%1.2K0.28369
$795.00Sep 40.061.24$0.65181.5%7280.0284
$795.00Sep 110.141.40$0.77163.6%7280.02--

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 131 strikes (avg 1411.7%, max 4904.9%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$1135.00Jul 31Sep 111427.3%28.5%4904.9%24274
$1080.00Jul 31Sep 111105.7%25.1%4306.9%12448
$1065.00Jul 31Sep 111011.6%24.4%4053.2%9283
$1050.00Jul 31Sep 11914.0%23.6%3774.0%21.0K
$1055.00Jul 31Sep 4946.9%24.5%3758.8%8318
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$810.00Jul 31Sep 11905.3%26.3%3345.6%598409
$885.00Jul 31Sep 11745.6%22.6%3194.9%297238
$815.00Jul 31Sep 11834.1%25.9%3116.1%2242.0K
$780.00Jul 31Sep 11851.3%27.8%2957.5%1.3K669
$890.00Jul 31Aug 28702.5%23.0%2955.9%36475

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 390 found (best R:R 99.00, avg 9.65)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$1075.00$1100.00Aug 28$0.27$24.73$0.2791.59$1075.27
$1100.00$1120.00Aug 21$0.23$19.77$0.2385.96$1100.23
$955.00$960.00Jul 31$0.10$4.90$0.1049.00$955.10
$1040.00$1045.00Aug 21$0.10$4.90$0.1049.00$1040.10
$1080.00$1085.00Aug 21$0.10$4.90$0.1049.00$1080.10
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$780.00$770.00Sep 11$0.10$9.90$0.1099.00$779.90
$945.00$940.00Jul 31$0.10$4.90$0.1049.00$944.90
$785.00$780.00Aug 14$0.10$4.90$0.1049.00$784.90
$790.00$785.00Aug 28$0.10$4.90$0.1049.00$789.90
$835.00$830.00Aug 14$0.11$4.89$0.1144.45$834.89

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 489 found (best R:R 129.43, avg 2.80)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$865.00$895.00Aug 14$29.77$29.77$0.23129.43$894.77
$840.00$850.00Aug 7$9.90$9.90$0.1099.00$849.90
$850.00$895.00Aug 7$44.50$44.50$0.5089.00$894.50
$900.00$910.00Aug 7$9.77$9.77$0.2342.48$909.77
$845.00$850.00Sep 11$4.85$4.85$0.1532.33$849.85
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$990.00$980.00Jul 31$9.85$9.85$0.1565.67$980.15
$1040.00$1020.00Aug 21$19.60$19.60$0.4049.00$1020.40
$1050.00$1045.00Aug 28$4.87$4.87$0.1337.46$1045.13
$1000.00$990.00Jul 31$9.73$9.73$0.2736.04$990.27
$1060.00$1040.00Aug 21$19.25$19.25$0.7525.67$1040.75

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 113 found (avg debit $3.18, cheapest $0.05)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1100.00Jul 31Aug 7$0.08575.5%40.4%
$860.00Aug 14Aug 21$0.2527.3%25.9%
$1120.00Jul 31Aug 7$0.32834.5%54.5%
$1005.00Jul 31Aug 7$0.34459.3%26.9%
$1025.00Jul 31Aug 7$0.34476.3%29.8%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$820.00Jul 31Aug 7$0.05681.6%42.1%
$860.00Jul 31Aug 7$0.09513.8%32.0%
$870.00Jul 31Aug 7$0.09568.8%32.9%
$780.00Jul 31Aug 7$0.10851.3%56.8%
$850.00Jul 31Aug 7$0.10528.5%34.7%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 196 found (cheapest 0.28% of stock, avg 5.79%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$950.00Jul 31$2.21$0.50$2.71$947.29$952.710.28%
$955.00Jul 31$0.23$3.55$3.78$951.22$958.780.40%
$945.00Jul 31$7.85$0.28$8.13$936.87$953.130.85%
$960.00Jul 31$0.13$8.23$8.36$951.64$968.360.88%
$940.00Jul 31$12.35$0.18$12.53$927.47$952.531.32%
$965.00Jul 31$0.10$12.70$12.80$952.20$977.801.34%
$937.50Jul 31$15.05$0.17$15.22$922.28$952.721.60%
$935.00Jul 31$17.08$0.08$17.16$917.84$952.161.80%
$970.00Jul 31$0.50$18.77$19.27$950.73$989.272.02%
$932.50Jul 31$19.48$0.31$19.79$912.71$952.292.08%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 175 found (cheapest 0.05% of stock, avg 3.07%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$955.00$945.00Jul 31$0.23$0.28$0.51$944.49$955.51
$955.00$950.00Jul 31$0.23$0.50$0.73$949.27$955.73
$970.00$945.00Jul 31$0.50$0.28$0.78$944.22$970.78
$970.00$950.00Jul 31$0.50$0.50$1.00$949.00$971.00
$990.00$945.00Jul 31$1.00$0.28$1.28$943.72$991.28
$990.00$950.00Jul 31$1.00$0.50$1.50$948.50$991.50
$955.00$927.50Jul 31$0.23$2.40$2.63$924.87$957.63
$955.00$922.50Jul 31$0.23$2.40$2.63$919.87$957.63
$955.00$917.50Jul 31$0.23$2.40$2.63$914.87$957.63
$1035.00$945.00Jul 31$2.40$0.28$2.68$942.32$1037.68

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 397 found (best R:R 249.00, avg credit $6.61)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
830/835865/895Aug 14$29.88$0.12249.00$805.12$894.88
780/785865/895Aug 14$29.87$0.13229.77$755.13$894.87
785/790850/895Aug 7$44.73$0.27165.67$745.27$894.73
825/830850/895Aug 7$44.66$0.34131.35$785.34$894.66
800/805850/895Aug 7$44.65$0.35127.57$760.35$894.65
795/800840/850Aug 28$9.84$0.1661.50$790.16$849.84
780/785840/850Aug 28$9.81$0.1951.63$775.19$849.81
830/835840/850Aug 28$9.79$0.2146.62$825.21$849.79
805/810840/850Aug 28$9.78$0.2244.45$800.22$849.78
820/825840/850Aug 28$9.76$0.2440.67$815.24$849.76

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 289 found (best R:R 152.85, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$1100.00$1120.00$1140.00Aug 21$0.13$19.87152.85
$1060.00$1070.00$1080.00Sep 4$0.10$9.9099.00
$1050.00$1065.00$1080.00Sep 11$0.20$14.8074.00
$955.00$960.00$965.00Jul 31$0.07$4.9370.43
$920.00$925.00$930.00Aug 14$0.07$4.9370.43
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$880.00$885.00$890.00Aug 28$0.05$4.9599.00
$790.00$795.00$800.00Aug 21$0.06$4.9482.33
$805.00$810.00$815.00Aug 21$0.06$4.9482.33
$880.00$885.00$890.00Aug 21$0.06$4.9482.33
$845.00$850.00$855.00Aug 7$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. 361 found (best net $-0.34, 310 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$1080.00$1130.001:2Sep 11-$0.34$49.66
$850.00$895.001:2Aug 7-$14.43$30.57
$1075.00$1100.001:2Aug 28-$0.66$24.34
$1100.00$1120.001:2Aug 21-$0.20$19.80
$1120.00$1140.001:2Aug 21-$0.23$19.77
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$1035.00$990.001:2Aug 28-$9.03$35.97
$850.00$835.001:2Sep 4-$0.51$14.49
$1005.00$980.001:2Aug 14-$14.26$10.74
$780.00$770.001:2Jul 31$0.00$10.00
$780.00$770.001:2Aug 28-$0.21$9.79

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 134 found (best yield 2.91%, avg 0.80%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$955.00Sep 11$27.700.500.3%2.91%3.24%625
$955.00Sep 4$25.050.500.3%2.63%2.96%52161
$960.00Sep 11$24.200.470.8%2.54%3.39%51
$955.00Aug 28$24.000.500.3%2.52%2.85%569
$960.00Sep 4$22.900.470.8%2.41%3.26%91161
$960.00Aug 28$21.800.470.8%2.29%3.14%117
$965.00Sep 4$21.750.451.4%2.28%3.66%1317
$952.50Aug 21$20.650.510.1%2.17%2.23%1464
$955.00Aug 21$19.650.490.3%2.06%2.39%56193
$970.00Sep 11$19.000.421.9%2.00%3.90%21

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 21,125
Total Puts 36,208
Put/Call Ratio 1.71
Net Difference -15,083

Prior's Put/Call Breakdown

Total Calls 19,454
Total Puts 38,262
Put/Call Ratio 1.97
Net Difference -18,808

Prior 7-Day Put/Call Summary

Total Calls 147,069
Total Puts 221,103
Average Put/Call Ratio 1.55
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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