COST - Options Database

COST

COSTCO WHSL CORP NEW

$892.38 -0.15%

(9/16 18:01) ◀

Thursday, September 17, 2026 (3:05pm)

▶

◀ 9/17 15:05

Option Volume

Detail

ℹ

Current (09/17 3:05pm) 47,132

Calls: 20,966 (44%)

Puts: 26,166 (56%)

Prior (09/15) 25,608

Calls: 12,695 (50%)

Puts: 12,913 (50%)

Current vs Prior +84.05%

Calls: +65.15% (Calls)

Puts: +102.63% (Puts)

Prior 7-Day Total 233,138

Calls: 120,468 (52%)

Puts: 112,670 (48%)

Prior 7-Day Average 33,305

Calls: 17,209 (52%)

Puts: 16,095 (48%)

Current vs Prior 7-Day Avg +41.51%

Calls: +21.83%

Puts: +62.57%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (09/17 3:05pm) $93.21M

Calls: $21.76M (23%)

Puts: $71.45M (77%)

Prior (09/15) $75.26M

Calls: $49.30M (66%)

Puts: $25.96M (34%)

Current vs Prior +23.85%

Calls: -55.87%

Puts: +175.27%

Prior 7-Day Total $301.71M

Calls: $165.42M (55%)

Puts: $136.29M (45%)

Prior 7-Day Average $43.10M

Calls: $23.63M (55%)

Puts: $19.47M (45%)

Current vs Prior 7-Day Avg +116.26%

Calls: -7.93%

Puts: +266.99%

Sentiment BEARISH

Put/Call Ratio

Detail

ℹ

Current (09/17 3:05pm) 1.25

Prior (09/15) 1.02

Current vs Prior +22.70%

Prior 7-Day Average 0.94

Current vs Prior 7-Day Avg +32.52%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (09/17 3:05pm) 326,643

Calls: 162,406 (50%)

Puts: 164,237 (50%)

Prior (09/15) 311,239

Calls: 151,957 (49%)

Puts: 159,282 (51%)

Current vs Prior +4.95%

Prior 7-Day Total 2,292,026

Calls: 1,117,003 (49%)

Puts: 1,175,023 (51%)

Prior 7-Day Average 327,432

Calls: 159,571 (49%)

Puts: 167,860 (51%)

Current vs Prior 7-Day Avg -0.24%

Sentiment BULLISH

Expected Move

Detail

ℹ

WKMO Expiry (09/18) | Next (09/25)Expiry (09/18) | Next (10/16)

Current 1.18% | 3.77%1.18% | 5.64%

Prior 1.91% | 4.08%1.91% | 5.96%

Current vs Prior -38.12% | -7.64%-38.13% | -5.31%

Prior 7-Day Avg 1.51% | 2.80%3.07% | 6.51%

Current vs 7-Day Avg -21.64% | +34.76%-61.61% | -13.40%

Prior 7-Day Eod 1.91% | 4.08%1.67% | 5.91%

Current vs 7-Day Eod -38.12% | -7.64%-29.27% | -4.59%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 16.77% | 7.47%

Calls: 11.11% | 6.70%

Puts: 22.42% | 8.25%

Prior 7.02% | 5.67%

Calls: 9.21% | 6.88%

Puts: 4.82% | 4.47%

Current vs Prior +138.89% | +31.75%

Prior 7-Day Avg 18.42% | 9.59%

Calls: 17.63% | 9.38%

Puts: 19.20% | 9.81%

Current vs 7-Day Avg -8.95% | -22.12%

Liquidity Expensive

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Strong bearish conviction with 77% of dollar volume in puts ($71.45M) vs calls ($21.76M). Dollar volume significantly above 7-day average (116% higher). Above-average activity with volume up 84% vs prior. Bearish P/C ratio of 1.25 indicates protective positioning.

Smart Money BEARISH

Retail Flow BEARISH

Overall BEARISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BEARISH

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 NEUTRAL

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

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🔥 High Volume

⏰ Backwardation

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📉 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

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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 228 of results (avg 6.8%, best 2.2%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$880.00	Oct 2	26.40	27.00	$26.70	2.2%	5	0.62	12
$890.00	Oct 16	26.10	26.70	$26.40	2.3%	142	0.53	122
$755.00	Sep 18	135.65	138.95	$137.30	2.4%	2	0.92	9
$765.00	Sep 18	125.60	129.00	$127.30	2.7%	32	0.92	32
$775.00	Sep 18	115.40	119.00	$117.20	3.1%	1	0.91	2

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$920.00	Oct 23	39.30	40.70	$40.00	3.5%	2	0.64	152
$1000.00	Sep 18	106.25	110.55	$108.40	4.0%	363	1.00	62
$865.00	Oct 16	10.90	11.40	$11.15	4.5%	30	0.30	195
$1020.00	Sep 18	126.10	132.00	$129.05	4.6%	86	1.00	17
$890.00	Oct 16	20.70	21.70	$21.20	4.7%	98	0.47	464

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. 207 found (avg delta 0.79, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$740.00	Sep 18	149.90	155.15	$152.53	3.4%	--	1.00	29
$760.00	Sep 18	130.50	134.95	$132.73	3.4%	34	1.00	56
$800.00	Sep 25	89.40	95.70	$92.55	6.8%	6	1.00	8
$780.00	Sep 18	110.40	114.10	$112.25	3.3%	--	1.00	53
$800.00	Sep 18	90.15	94.00	$92.08	4.2%	4	1.00	100

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$917.50	Sep 18	23.80	29.80	$26.80	22.4%	3	1.00	39
$920.00	Sep 18	26.40	29.00	$27.70	9.4%	2.2K	1.00	1.4K
$922.50	Sep 18	27.90	34.10	$31.00	20.0%	--	1.00	11
$925.00	Sep 18	31.40	34.35	$32.88	9.0%	953	1.00	550
$930.00	Sep 18	36.55	39.40	$37.97	7.5%	1.3K	1.00	346

Most actively traded options today. High liquidity = easy entry/exit. 553 active (total vol 37.9K, top 2.2K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$975.00	Sep 18	0.00	0.13	$0.07	185.7%	1.5K	0.01	319
$900.00	Sep 18	1.22	1.36	$1.29	10.9%	1.4K	0.23	341
$950.00	Sep 18	0.01	0.10	$0.06	150.0%	1.1K	0.01	2.2K
$895.00	Sep 18	2.51	3.10	$2.81	21.0%	815	0.41	119
$900.00	Oct 23	23.55	24.45	$24.00	3.7%	667	0.47	155

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$920.00	Sep 18	26.40	29.00	$27.70	9.4%	2.2K	1.00	1.4K
$930.00	Sep 18	36.55	39.40	$37.97	7.5%	1.3K	1.00	346
$925.00	Sep 18	31.40	34.35	$32.88	9.0%	953	1.00	550
$940.00	Sep 18	46.40	51.25	$48.83	9.9%	870	1.00	113
$880.00	Sep 18	0.43	0.62	$0.53	35.8%	733	0.11	1.5K

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 1 strikes (avg 34.5%, max 34.5%)

CALLS (1)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$865.00	Sep 25	Oct 23	29.6%	22.0%	34.5%	13	10

PUTS (0)

No puts found

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 340 found (best R:R 4.32, avg 9.06)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$835.00	$840.00	Oct 2	$3.33	$1.67	$3.33	90%	0.50	$838.33
$860.00	$885.00	Oct 30	$15.03	$9.97	$15.03	70%	0.66	$875.03
$870.00	$875.00	Oct 16	$2.45	$2.55	$2.45	67%	1.04	$872.45
$875.00	$885.00	Oct 23	$5.27	$4.73	$5.27	62%	0.90	$880.27
$885.00	$890.00	Oct 30	$2.04	$2.96	$2.04	56%	1.45	$887.04

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$945.00	$942.50	Sep 18	$0.47	$2.03	$0.47	100%	4.32	$944.53
$920.00	$917.50	Sep 18	$0.90	$1.60	$0.90	100%	1.78	$919.10
$925.00	$922.50	Oct 2	$0.67	$1.83	$0.67	73%	2.73	$924.33
$920.00	$917.50	Sep 25	$0.84	$1.66	$0.84	74%	1.98	$919.16
$925.00	$922.50	Sep 25	$1.18	$1.32	$1.18	78%	1.12	$923.82

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 280 found (best R:R 5.85, avg 0.39)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$1015.00	$1020.00	Sep 18	$4.23	$4.23	$0.77	89%	5.49	$1019.23
$1005.00	$1010.00	Sep 18	$4.23	$4.23	$0.77	89%	5.49	$1009.23
$995.00	$1000.00	Sep 18	$4.25	$4.25	$0.75	88%	5.67	$999.25
$1025.00	$1030.00	Oct 30	$1.53	$1.53	$3.47	90%	0.44	$1026.53
$1035.00	$1060.00	Oct 30	$2.06	$2.06	$22.94	92%	0.09	$1037.06

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$765.00	$760.00	Sep 18	$4.27	$4.27	$0.73	92%	5.85	$760.73
$755.00	$750.00	Sep 18	$4.15	$4.15	$0.85	92%	4.88	$750.85
$790.00	$785.00	Sep 18	$4.20	$4.20	$0.80	90%	5.25	$785.80
$730.00	$725.00	Oct 9	$0.88	$0.88	$4.12	97%	0.21	$729.12
$875.00	$870.00	Oct 9	$2.30	$2.30	$2.70	64%	0.85	$872.70

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 4 found (avg debit $12.15, cheapest $11.72)

CALLS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$890.00	Sep 18	Sep 25	$12.50	19.8%	29.2%
$895.00	Sep 18	Sep 25	$12.52	20.0%	31.4%

PUTS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$890.00	Sep 18	Sep 25	$11.72	19.8%	29.2%
$895.00	Sep 18	Sep 25	$11.85	20.0%	31.4%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 169 found (cheapest 0.89% of stock, avg 5.83%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$890.00	Sep 18	$5.40	$2.55	$7.95	$882.05	$897.95	0.89%
$895.00	Sep 18	$2.81	$5.13	$7.94	$887.06	$902.94	0.89%
$885.00	Sep 18	$8.80	$1.21	$10.01	$874.99	$895.01	1.12%
$900.00	Sep 18	$1.29	$8.75	$10.04	$889.96	$910.04	1.13%
$880.00	Sep 18	$13.13	$0.53	$13.66	$866.34	$893.66	1.53%
$905.00	Sep 18	$0.62	$13.13	$13.75	$891.25	$918.75	1.54%
$875.00	Sep 18	$17.77	$0.27	$18.04	$856.96	$893.04	2.02%
$910.00	Sep 18	$0.31	$17.88	$18.19	$891.81	$928.19	2.04%
$870.00	Sep 18	$22.92	$0.18	$23.10	$846.90	$893.10	2.59%
$915.00	Sep 18	$0.19	$22.92	$23.11	$891.89	$938.11	2.59%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 175 found (cheapest 0.13% of stock, avg 3.40%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$905.00	$880.00	Sep 18	$0.62	$0.53	$1.15	$878.85	$906.15
$900.00	$880.00	Sep 18	$1.29	$0.53	$1.82	$878.18	$901.82
$905.00	$885.00	Sep 18	$0.62	$1.21	$1.83	$883.17	$906.83
$900.00	$885.00	Sep 18	$1.29	$1.21	$2.50	$882.50	$902.50
$905.00	$890.00	Sep 18	$0.62	$2.55	$3.17	$886.83	$908.17
$900.00	$890.00	Sep 18	$1.29	$2.55	$3.84	$886.16	$903.84
$895.00	$880.00	Sep 18	$2.81	$0.53	$3.34	$876.66	$898.34
$1005.00	$880.00	Sep 18	$4.28	$0.53	$4.81	$875.19	$1009.81
$995.00	$880.00	Sep 18	$4.28	$0.53	$4.81	$875.19	$999.81
$895.00	$885.00	Sep 18	$2.81	$1.21	$4.02	$880.98	$899.02

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 319 found (best R:R 6.58, avg credit $1.67)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
745/750	1015/1020	Sep 18	$4.34	$0.66	89%	6.58	$745.66	$1019.34
745/750	1005/1010	Sep 18	$4.34	$0.66	88%	6.58	$745.66	$1009.34
745/750	995/1000	Sep 18	$4.36	$0.64	88%	6.81	$745.64	$999.36
760/765	910/915	Sep 18	$4.39	$0.61	85%	7.20	$760.61	$914.39
750/755	910/915	Sep 18	$4.27	$0.73	86%	5.85	$750.73	$914.27
760/765	905/910	Sep 18	$4.58	$0.42	79%	10.90	$760.42	$909.58
785/790	910/915	Sep 18	$4.32	$0.68	84%	6.35	$785.68	$914.32
750/755	905/910	Sep 18	$4.46	$0.54	80%	8.26	$750.54	$909.46
875/880	1015/1020	Sep 18	$4.49	$0.51	79%	8.80	$875.51	$1019.49
785/790	905/910	Sep 18	$4.51	$0.49	78%	9.20	$785.49	$909.51

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 263 found (best R:R 5.17, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$885.00	$890.00	$895.00	Sep 18	$0.81	$4.19	38%	5.17
$875.00	$880.00	$885.00	Sep 18	$0.31	$4.69	16%	15.13
$890.00	$895.00	$900.00	Sep 18	$1.07	$3.93	39%	3.67
$885.00	$890.00	$895.00	Oct 16	$0.08	$4.92	7%	61.50
$890.00	$895.00	$900.00	Oct 2	$0.11	$4.89	8%	44.45

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$890.00	$895.00	$900.00	Sep 18	$1.04	$3.96	40%	3.81
$880.00	$885.00	$890.00	Sep 18	$0.66	$4.34	28%	6.58
$895.00	$900.00	$905.00	Sep 18	$0.76	$4.24	30%	5.58
$875.00	$880.00	$885.00	Sep 25	$0.15	$4.85	10%	32.33
$900.00	$905.00	$910.00	Sep 18	$0.37	$4.63	17%	12.51

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 321 found (best net $-4.42, 298 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$820.00	$850.00	1:2	Sep 25	-$18.30	$11.70
$890.00	$895.00	1:2	Sep 18	-$0.22	$4.78
$885.00	$890.00	1:2	Sep 18	-$2.00	$3.00
$905.00	$910.00	1:2	Sep 18	$0.00	$5.00
$910.00	$915.00	1:2	Sep 18	-$0.07	$4.93

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$1000.00	$940.00	1:2	Oct 30	-$4.42	$55.58
$900.00	$895.00	1:2	Sep 18	-$1.51	$3.49
$780.00	$750.00	1:2	Oct 30	-$0.08	$29.92
$800.00	$780.00	1:2	Oct 30	-$0.37	$19.63
$880.00	$875.00	1:2	Sep 18	-$0.01	$4.99

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 131 found (best yield 3.09%, avg 0.88%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$895.00	Oct 30	$27.60	0.50	0.3%	3.09%	3.39%	93	10
$900.00	Oct 30	$25.15	0.47	0.8%	2.82%	3.67%	31	16
$905.00	Oct 30	$23.00	0.45	1.4%	2.58%	3.99%	8	21
$910.00	Oct 30	$20.70	0.42	2.0%	2.32%	4.29%	1	32
$900.00	Oct 23	$23.55	0.47	0.8%	2.64%	3.49%	667	155
$895.00	Oct 23	$25.70	0.50	0.3%	2.88%	3.17%	16	36
$905.00	Oct 23	$21.05	0.44	1.4%	2.36%	3.77%	13	61
$910.00	Oct 23	$18.40	0.41	2.0%	2.06%	4.04%	15	79
$930.00	Oct 30	$13.60	0.32	4.2%	1.52%	5.74%	1	4
$920.00	Oct 23	$15.25	0.36	3.1%	1.71%	4.80%	13	38

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 20,966

Total Puts 26,166

Put/Call Ratio 1.25

Net Difference -5,200

Prior's Put/Call Breakdown

Total Calls 12,695

Total Puts 12,913

Put/Call Ratio 1.02

Net Difference -218

Prior 7-Day Put/Call Summary

Total Calls 120,468

Total Puts 112,670

Average Put/Call Ratio 0.94

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

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📈 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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