COST - Options Database

COST

COSTCO WHSL CORP NEW

$914.94 +0.51%

$915.38 (+0.05%)🌙

as of 10/01 06:00 PM

(9/30 23:31) ◀

Thursday, October 1, 2026 (6:00pm)

▶ (10/2 18:00)

◀ 10/1 18:00 ▶

Option Volume

Detail

ℹ

Current (10/01) 37,885

Calls: 20,960 (55%)

Puts: 16,925 (45%)

Prior (09/30) 25,975

Calls: 14,466 (56%)

Puts: 11,509 (44%)

Current vs Prior +45.85%

Calls: +44.89% (Calls)

Puts: +47.06% (Puts)

Prior 7-Day Total 382,751

Calls: 212,368 (55%)

Puts: 170,383 (45%)

Prior 7-Day Average 54,678

Calls: 30,338 (55%)

Puts: 24,340 (45%)

Current vs Prior 7-Day Avg -30.71%

Calls: -30.91%

Puts: -30.47%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (10/01) $44.47M

Calls: $20.64M (46%)

Puts: $23.83M (54%)

Prior (09/30) $30.85M

Calls: $15.74M (51%)

Puts: $15.11M (49%)

Current vs Prior +44.16%

Calls: +31.15%

Puts: +57.72%

Prior 7-Day Total $454.67M

Calls: $300.53M (66%)

Puts: $154.13M (34%)

Prior 7-Day Average $64.95M

Calls: $42.93M (66%)

Puts: $22.02M (34%)

Current vs Prior 7-Day Avg -31.53%

Calls: -51.92%

Puts: +8.21%

Sentiment BEARISH

Put/Call Ratio

Detail

ℹ

Current (10/01) 0.81

Prior (09/30) 0.80

Current vs Prior +1.50%

Prior 7-Day Average 0.78

Current vs Prior 7-Day Avg +3.62%

Sentiment NEUTRAL

Open Interest

Detail

ℹ

Current (10/01) 299,338

Calls: 156,620 (52%)

Puts: 142,718 (48%)

Prior (09/30) 162,423

Calls: 85,456 (53%)

Puts: 76,967 (47%)

Current vs Prior +84.30%

Prior 7-Day Total 1,824,537

Calls: 931,869 (51%)

Puts: 892,668 (49%)

Prior 7-Day Average 260,648

Calls: 133,124 (51%)

Puts: 127,524 (49%)

Current vs Prior 7-Day Avg +14.84%

Sentiment BEARISH

Expected Move

Detail

ℹ

WKMO Expiry (10/02) | Next (10/09)Expiry (10/16) | Next (11/20)

Current 1.23% | 2.54%3.51% | 6.22%

Prior 1.44% | 2.65%3.69% | 6.11%

Current vs Prior -14.62% | -4.01%-5.09% | +1.79%

Prior 7-Day Avg 2.51% | 3.59%3.75% | 6.53%

Current vs 7-Day Avg -51.06% | -29.22%-6.48% | -4.75%

Prior 7-Day Eod 1.44% | 2.65%3.69% | 6.11%

Current vs 7-Day Eod -14.62% | -4.01%-5.09% | +1.79%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 21.30% | 23.53%

Calls: 21.78% | 11.48%

Puts: 20.83% | 35.58%

Prior 21.30% | 23.53%

Calls: 21.78% | 11.48%

Puts: 20.83% | 35.58%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 22.86% | 16.75%

Calls: 22.84% | 10.07%

Puts: 22.89% | 23.43%

Current vs 7-Day Avg -6.83% | +40.47%

Liquidity Expensive

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🤖 AI Insights

Rising open interest (up 84%) indicates new positions being established.

Smart Money BEARISH

Retail Flow BULLISH

Overall BULLISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

Current BULLISH

Prior BULLISH

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

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Tightest Spreads

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Best Value <$1

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High Delta

⚖️

Ratio Spreads

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 29 of results (avg 7.6%, best 2.9%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$740.00	Oct 16	175.00	180.15	$177.58	2.9%	--	1.00	32
$750.00	Oct 16	162.70	170.25	$166.48	4.5%	--	0.95	10
$760.00	Oct 16	152.90	160.65	$156.78	4.9%	--	0.99	57
$800.00	Oct 16	114.70	120.60	$117.65	5.0%	--	0.99	31
$820.00	Oct 2	92.80	98.90	$95.85	6.4%	3	1.00	6

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$915.00	Nov 6	20.65	21.95	$21.30	6.1%	746	0.49	245
$1000.00	Oct 30	80.75	86.00	$83.38	6.3%	1	0.94	3
$915.00	Oct 30	18.05	19.45	$18.75	7.5%	738	0.49	301
$915.00	Nov 13	22.55	24.35	$23.45	7.7%	11	0.49	--
$960.00	Oct 30	46.05	49.85	$47.95	7.9%	--	0.80	30

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. 163 found (avg delta 0.79, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$840.00	Oct 2	71.60	78.90	$75.25	9.7%	2	1.00	11
$830.00	Oct 2	81.60	89.00	$85.30	8.7%	--	1.00	11
$740.00	Oct 16	175.00	180.15	$177.58	2.9%	--	1.00	32
$800.00	Oct 2	111.35	118.90	$115.13	6.6%	1	1.00	22
$820.00	Oct 2	92.80	98.90	$95.85	6.4%	3	1.00	6

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$940.00	Oct 2	22.75	26.65	$24.70	15.8%	--	1.00	15
$955.00	Oct 2	36.00	43.75	$39.88	19.4%	4	1.00	--
$960.00	Oct 2	41.40	48.75	$45.08	16.3%	17	1.00	3
$965.00	Oct 2	46.40	51.35	$48.88	10.1%	5	1.00	--
$965.00	Oct 9	46.40	52.50	$49.45	12.3%	4	0.97	16

Most actively traded options today. High liquidity = easy entry/exit. 484 active (total vol 30.2K, top 1.4K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$925.00	Oct 2	0.91	1.22	$1.07	29.0%	1.4K	0.18	413
$950.00	Oct 2	0.02	0.12	$0.07	142.9%	1.2K	0.01	1.5K
$935.00	Oct 2	0.12	0.30	$0.21	85.7%	825	0.04	591
$930.00	Oct 2	0.45	0.58	$0.52	25.0%	803	0.10	589
$920.00	Oct 2	1.93	2.49	$2.21	25.3%	602	0.33	681

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$910.00	Oct 30	14.40	18.40	$16.40	24.4%	774	0.45	170
$910.00	Nov 6	16.80	20.80	$18.80	21.3%	766	0.46	122
$915.00	Nov 6	20.65	21.95	$21.30	6.1%	746	0.49	245
$915.00	Oct 30	18.05	19.45	$18.75	7.5%	738	0.49	301
$925.00	Oct 30	22.15	26.20	$24.17	16.8%	733	0.56	63

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 18 strikes (avg 13.0%, max 29.5%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$915.00	Oct 2	Nov 6	23.7%	18.3%	29.5%	597	907
$905.00	Oct 2	Nov 6	23.2%	18.0%	28.7%	237	226
$912.50	Oct 2	Oct 9	24.4%	20.0%	22.3%	146	105
$910.00	Oct 2	Nov 6	22.0%	18.3%	19.9%	267	214
$925.00	Oct 2	Nov 13	23.2%	21.4%	8.4%	1.4K	413

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$915.00	Oct 2	Nov 13	23.7%	18.7%	26.8%	176	138
$912.50	Oct 2	Oct 9	24.4%	20.0%	22.3%	143	194
$905.00	Oct 2	Nov 13	23.2%	19.0%	22.0%	229	324
$910.00	Oct 2	Nov 13	22.0%	18.3%	20.3%	318	461
$925.00	Oct 2	Nov 6	23.2%	21.7%	6.8%	780	184

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 297 found (best R:R 6.04, avg 8.64)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$900.00	$902.50	Oct 9	$0.73	$1.77	$0.73	73%	2.42	$900.73
$875.00	$880.00	Oct 23	$3.20	$1.80	$3.20	84%	0.56	$878.20
$907.50	$910.00	Oct 2	$0.90	$1.60	$0.90	78%	1.78	$908.40
$920.00	$922.50	Oct 9	$0.17	$2.33	$0.17	45%	13.71	$920.17
$915.00	$920.00	Nov 6	$1.55	$3.45	$1.55	51%	2.23	$916.55

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$885.00	$870.00	Nov 13	$2.13	$12.87	$2.13	29%	6.04	$882.87
$930.00	$925.00	Oct 23	$1.70	$3.30	$1.70	61%	1.94	$928.30
$920.00	$915.00	Nov 13	$1.58	$3.42	$1.58	51%	2.16	$918.42
$910.00	$905.00	Nov 13	$1.38	$3.62	$1.38	45%	2.62	$908.62
$945.00	$940.00	Oct 23	$2.93	$2.07	$2.93	74%	0.71	$942.07

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 247 found (best R:R 0.92, avg 0.45)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$1065.00	$1070.00	Oct 9	$2.40	$2.40	$2.60	93%	0.92	$1067.40
$1035.00	$1040.00	Oct 2	$2.39	$2.39	$2.61	92%	0.92	$1037.39
$995.00	$1000.00	Oct 2	$2.43	$2.43	$2.57	91%	0.95	$997.43
$1030.00	$1035.00	Oct 9	$2.39	$2.39	$2.61	92%	0.92	$1032.39
$1055.00	$1060.00	Oct 16	$2.33	$2.33	$2.67	93%	0.87	$1057.33

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$745.00	$740.00	Oct 9	$2.39	$2.39	$2.61	95%	0.92	$742.61
$805.00	$800.00	Oct 2	$2.42	$2.42	$2.58	93%	0.94	$802.58
$835.00	$830.00	Oct 2	$2.43	$2.43	$2.57	92%	0.95	$832.57
$790.00	$785.00	Oct 2	$2.23	$2.23	$2.77	94%	0.81	$787.77
$825.00	$820.00	Oct 9	$2.25	$2.25	$2.75	92%	0.82	$822.75

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 10 found (avg debit $6.56, cheapest $5.88)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$912.50	Oct 2	Oct 9	$6.20	24.4%	20.0%
$915.00	Oct 2	Oct 9	$7.12	23.7%	19.4%
$910.00	Oct 2	Oct 9	$7.38	22.0%	19.3%
$920.00	Oct 2	Oct 9	$7.06	22.6%	20.8%
$917.50	Oct 2	Oct 9	$7.28	22.0%	20.6%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$912.50	Oct 2	Oct 9	$5.88	24.4%	20.0%
$915.00	Oct 2	Oct 9	$5.78	23.7%	19.4%
$910.00	Oct 2	Oct 9	$5.74	22.0%	19.3%
$920.00	Oct 2	Oct 9	$6.62	22.6%	20.8%
$917.50	Oct 2	Oct 9	$6.57	22.0%	20.6%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 152 found (cheapest 0.89% of stock, avg 4.61%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$917.50	Oct 2	$3.02	$5.13	$8.15	$909.35	$925.65	0.89%
$915.00	Oct 2	$4.58	$4.25	$8.83	$906.17	$923.83	0.97%
$920.00	Oct 2	$2.21	$6.73	$8.94	$911.06	$928.94	0.98%
$910.00	Oct 2	$7.75	$1.94	$9.69	$900.31	$919.69	1.06%
$907.50	Oct 2	$8.65	$1.25	$9.90	$897.60	$917.40	1.08%
$912.50	Oct 2	$7.00	$3.25	$10.25	$902.25	$922.75	1.12%
$922.50	Oct 2	$1.51	$8.98	$10.49	$912.01	$932.99	1.15%
$905.00	Oct 2	$10.95	$0.95	$11.90	$893.10	$916.90	1.30%
$925.00	Oct 2	$1.07	$10.83	$11.90	$913.10	$936.90	1.30%
$927.50	Oct 2	$0.83	$12.63	$13.46	$914.04	$940.96	1.47%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 175 found (cheapest 0.19% of stock, avg 2.57%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$927.50	$905.00	Oct 2	$0.83	$0.95	$1.78	$903.22	$929.28
$925.00	$905.00	Oct 2	$1.07	$0.95	$2.02	$902.98	$927.02
$927.50	$907.50	Oct 2	$0.83	$1.25	$2.08	$905.42	$929.58
$925.00	$907.50	Oct 2	$1.07	$1.25	$2.32	$905.18	$927.32
$922.50	$905.00	Oct 2	$1.51	$0.95	$2.46	$902.54	$924.96
$922.50	$907.50	Oct 2	$1.51	$1.25	$2.76	$904.74	$925.26
$927.50	$910.00	Oct 2	$0.83	$1.94	$2.77	$907.23	$930.27
$925.00	$910.00	Oct 2	$1.07	$1.94	$3.01	$906.99	$928.01
$922.50	$910.00	Oct 2	$1.51	$1.94	$3.45	$906.55	$925.95
$920.00	$905.00	Oct 2	$2.21	$0.95	$3.16	$901.84	$923.16

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 352 found (best R:R 25.32, avg credit $1.94)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
800/805	1035/1040	Oct 2	$4.81	$0.19	86%	25.32	$800.19	$1039.81
800/805	995/1000	Oct 2	$4.85	$0.15	84%	32.33	$800.15	$999.85
830/835	1035/1040	Oct 2	$4.82	$0.18	84%	26.78	$830.18	$1039.82
830/835	995/1000	Oct 2	$4.86	$0.14	82%	34.71	$830.14	$999.86
785/790	1035/1040	Oct 2	$4.62	$0.38	86%	12.16	$785.38	$1039.62
740/745	1035/1040	Oct 2	$4.50	$0.50	88%	9.00	$740.50	$1039.50
785/790	995/1000	Oct 2	$4.66	$0.34	84%	13.71	$785.34	$999.66
740/745	995/1000	Oct 2	$4.54	$0.46	86%	9.87	$740.46	$999.54
770/780	1035/1040	Oct 2	$4.40	$5.60	87%	0.79	$775.60	$1039.40
770/780	995/1000	Oct 2	$4.44	$5.56	85%	0.80	$775.56	$999.44

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 269 found (best R:R 40.67, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$917.50	$920.00	$922.50	Oct 2	$0.11	$2.39	17%	21.73
$900.00	$905.00	$910.00	Oct 23	$0.13	$4.87	9%	37.46
$907.50	$910.00	$912.50	Oct 2	$0.15	$2.35	18%	15.67
$925.00	$930.00	$935.00	Oct 23	$0.16	$4.84	8%	30.25
$875.00	$880.00	$885.00	Oct 16	$0.13	$4.87	7%	37.46

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$985.00	$1000.00	$1015.00	Nov 6	$0.36	$14.64	8%	40.67
$895.00	$900.00	$905.00	Nov 13	$0.06	$4.94	6%	82.33
$935.00	$940.00	$945.00	Oct 9	$0.19	$4.81	10%	25.32
$865.00	$870.00	$875.00	Oct 23	$0.07	$4.93	6%	70.43
$902.50	$905.00	$907.50	Oct 2	$0.06	$2.44	9%	40.67

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 358 found (best net $-2.53, 297 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$865.00	$895.00	1:2	Nov 6	-$15.10	$14.90
$925.00	$950.00	1:2	Nov 13	-$5.33	$19.67
$970.00	$990.00	1:2	Nov 13	-$2.96	$17.04
$875.00	$900.00	1:2	Nov 13	-$17.58	$7.42
$965.00	$970.00	1:2	Oct 9	-$0.01	$4.99

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$980.00	$940.00	1:2	Nov 6	-$2.53	$37.47
$955.00	$940.00	1:2	Oct 2	-$9.52	$5.48
$795.00	$770.00	1:2	Nov 6	$0.00	$25.00
$912.50	$910.00	1:2	Oct 2	-$0.63	$1.87
$770.00	$750.00	1:2	Nov 6	-$0.04	$19.96

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 99 found (best yield 2.42%, avg 0.67%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$920.00	Nov 13	$22.15	0.49	0.6%	2.42%	2.97%	4	--
$925.00	Nov 13	$18.65	0.46	1.1%	2.04%	3.14%	2	--
$915.00	Nov 6	$22.85	0.51	0.0%	2.50%	2.50%	16	22
$920.00	Nov 6	$19.80	0.48	0.6%	2.16%	2.72%	5	171
$950.00	Nov 13	$11.00	0.32	3.8%	1.20%	5.03%	2	--
$925.00	Nov 6	$17.60	0.45	1.1%	1.92%	3.02%	17	177
$930.00	Nov 6	$15.60	0.41	1.6%	1.71%	3.35%	6	18
$935.00	Nov 6	$14.00	0.39	2.2%	1.53%	3.72%	--	12
$960.00	Nov 13	$8.05	0.27	4.9%	0.88%	5.80%	3	--
$915.00	Oct 30	$20.00	0.51	0.0%	2.19%	2.19%	11	56

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 20,960

Total Puts 16,925

Put/Call Ratio 0.81

Net Difference 4,035

Prior's Put/Call Breakdown

Total Calls 14,466

Total Puts 11,509

Put/Call Ratio 0.80

Net Difference 2,957

Prior 7-Day Put/Call Summary

Total Calls 212,368

Total Puts 170,383

Average Put/Call Ratio 0.78

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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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

🤖 AI Insights

📈 Options Analysis

Current 5-Minute Volume Snapshots

Prior's 5-Minute Volume Snapshots

Current Put/Call Breakdown

Prior's Put/Call Breakdown

Prior 7-Day Put/Call Summary

Daily Put/Call History (Last 7 Days)

Upcoming Earnings - 2 Weeks Prior

Upcoming Earnings - 1 Week Prior

Earnings This Week

Earnings - Day Before / Day After

Options Activity Around Earnings

Chart Title

Price — Past 7 Days

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