COST - Options Database

COST

COSTCO WHSL CORP NEW

$893.93 +0.02%

$893.12 (-0.09%)🌙

as of 09/17 06:01 PM

(9/17 15:05) ◀

Thursday, September 17, 2026 (6:01pm)

▶ (9/18 15:05)

◀ 9/17 18:01 ▶

Option Volume

Detail

ℹ

Current (09/17) 52,285

Calls: 23,932 (46%)

Puts: 28,353 (54%)

Prior (09/16) 33,868

Calls: 19,029 (56%)

Puts: 14,839 (44%)

Current vs Prior +54.38%

Calls: +25.77% (Calls)

Puts: +91.07% (Puts)

Prior 7-Day Total 275,039

Calls: 136,979 (50%)

Puts: 138,060 (50%)

Prior 7-Day Average 39,291

Calls: 19,568 (50%)

Puts: 19,722 (50%)

Current vs Prior 7-Day Avg +33.07%

Calls: +22.30%

Puts: +43.76%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (09/17) $96.67M

Calls: $24.48M (25%)

Puts: $72.20M (75%)

Prior (09/16) $67.86M

Calls: $48.75M (72%)

Puts: $19.11M (28%)

Current vs Prior +42.46%

Calls: -49.79%

Puts: +277.73%

Prior 7-Day Total $428.11M

Calls: $248.64M (58%)

Puts: $179.47M (42%)

Prior 7-Day Average $61.16M

Calls: $35.52M (58%)

Puts: $25.64M (42%)

Current vs Prior 7-Day Avg +58.07%

Calls: -31.09%

Puts: +181.60%

Sentiment BEARISH

Put/Call Ratio

Detail

ℹ

Current (09/17) 1.18

Prior (09/16) 0.78

Current vs Prior +51.93%

Prior 7-Day Average 1.01

Current vs Prior 7-Day Avg +16.90%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (09/17) 326,643

Calls: 162,406 (50%)

Puts: 164,237 (50%)

Prior (09/16) 318,880

Calls: 156,459 (49%)

Puts: 162,421 (51%)

Current vs Prior +2.43%

Prior 7-Day Total 2,245,782

Calls: 1,094,384 (49%)

Puts: 1,151,398 (51%)

Prior 7-Day Average 320,826

Calls: 156,340 (49%)

Puts: 164,485 (51%)

Current vs Prior 7-Day Avg +1.81%

Sentiment BULLISH

Expected Move

Detail

ℹ

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

Current 1.14% | 3.57%1.14% | 5.49%

Prior 1.67% | 4.01%1.67% | 5.91%

Current vs Prior -31.74% | -11.06%-31.74% | -7.16%

Prior 7-Day Avg 1.78% | 3.57%2.33% | 6.18%

Current vs 7-Day Avg -36.03% | -0.18%-51.22% | -11.24%

Prior 7-Day Eod 1.67% | 4.01%1.67% | 5.91%

Current vs 7-Day Eod -31.74% | -11.06%-31.74% | -7.16%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 16.77% | 7.47%

Calls: 11.11% | 6.70%

Puts: 22.42% | 8.25%

Prior 13.79% | 7.21%

Calls: 19.92% | 9.81%

Puts: 7.65% | 4.62%

Current vs Prior +21.61% | +3.61%

Prior 7-Day Avg 17.41% | 7.69%

Calls: 16.94% | 7.42%

Puts: 17.88% | 7.95%

Current vs 7-Day Avg -3.69% | -2.81%

Liquidity Expensive

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Moderately bearish flow with 75% put dollar volume ($72.20M). Dollar volume significantly above 7-day average (58% higher). Above-average activity with volume up 54% vs prior. Slightly bearish P/C ratio of 1.18.

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 NEUTRAL

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

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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 129 of results (avg 7.5%, best 3.8%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$720.00	Oct 16	173.35	180.10	$176.73	3.8%	--	0.99	12
$895.00	Sep 25	15.35	15.95	$15.65	3.8%	67	0.51	41
$750.00	Sep 18	140.60	146.40	$143.50	4.0%	--	0.99	11
$900.00	Oct 16	21.10	22.00	$21.55	4.2%	113	0.47	248
$720.00	Sep 18	170.60	178.00	$174.30	4.2%	--	0.93	29

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1020.00	Sep 18	123.15	128.95	$126.05	4.6%	86	1.00	17
$1000.00	Sep 18	103.15	108.95	$106.05	5.5%	363	1.00	62
$940.00	Sep 18	45.00	47.55	$46.28	5.5%	880	1.00	113
$1000.00	Sep 25	103.15	109.00	$106.08	5.5%	1	1.00	--
$900.00	Oct 16	24.15	25.55	$24.85	5.6%	112	0.53	1.3K

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 2 found (avg $0.36, cheapest $0.08)

CALLS (1)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$980.00	Sep 25	0.58	0.70	$0.64	18.8%	133	0.04	833

PUTS (1)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$850.00	Sep 18	0.07	0.08	$0.08	12.5%	78	0.01	1.9K

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 209 found (avg delta 0.80, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$740.00	Sep 18	150.60	158.00	$154.30	4.8%	--	1.00	29
$760.00	Sep 18	131.35	137.15	$134.25	4.3%	34	1.00	56
$780.00	Sep 18	111.35	117.15	$114.25	5.1%	--	1.00	53
$800.00	Sep 18	92.50	97.15	$94.83	4.9%	7	1.00	100
$840.00	Sep 18	51.40	57.20	$54.30	10.7%	--	1.00	97

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$920.00	Sep 18	25.00	27.50	$26.25	9.5%	2.2K	1.00	1.4K
$922.50	Sep 18	25.65	32.20	$28.93	22.6%	--	1.00	11
$925.00	Sep 18	30.00	33.90	$31.95	12.2%	955	1.00	550
$930.00	Sep 18	34.75	38.95	$36.85	11.4%	1.4K	1.00	346
$935.00	Sep 18	38.15	44.85	$41.50	16.1%	327	1.00	58

Most actively traded options today. High liquidity = easy entry/exit. 571 active (total vol 42.1K, top 2.2K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$900.00	Sep 18	1.50	1.80	$1.65	18.2%	1.6K	0.28	341
$975.00	Sep 18	0.00	0.13	$0.07	185.7%	1.5K	0.01	319
$895.00	Sep 18	3.10	3.85	$3.48	21.6%	1.2K	0.48	119
$950.00	Sep 18	0.01	0.05	$0.03	133.3%	1.1K	0.01	2.2K
$900.00	Oct 23	23.40	25.00	$24.20	6.6%	742	0.48	155

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$920.00	Sep 18	25.00	27.50	$26.25	9.5%	2.2K	1.00	1.4K
$930.00	Sep 18	34.75	38.95	$36.85	11.4%	1.4K	1.00	346
$925.00	Sep 18	30.00	33.90	$31.95	12.2%	955	1.00	550
$940.00	Sep 18	45.00	47.55	$46.28	5.5%	880	1.00	113
$880.00	Sep 18	0.29	0.53	$0.41	58.5%	785	0.08	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. 5 strikes (avg 9.7%, max 36.5%)

CALLS (3)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$865.00	Sep 25	Oct 23	28.9%	21.2%	36.5%	13	10
$885.00	Sep 18	Oct 30	22.4%	21.4%	4.4%	138	77
$895.00	Sep 18	Oct 30	20.9%	20.5%	1.6%	1.3K	129

PUTS (2)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$885.00	Sep 18	Oct 30	22.4%	21.4%	4.4%	526	1.1K
$895.00	Sep 18	Oct 30	20.9%	20.5%	1.6%	666	1.2K

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 333 found (best R:R 1.14, avg 10.41)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$925.00	$930.00	Oct 30	$0.53	$4.47	$0.53	36%	8.43	$925.53
$875.00	$885.00	Oct 23	$5.00	$5.00	$5.00	64%	1.00	$880.00
$850.00	$860.00	Oct 16	$6.68	$3.32	$6.68	79%	0.50	$856.68
$850.00	$855.00	Oct 2	$3.12	$1.88	$3.12	84%	0.60	$853.12
$880.00	$885.00	Oct 16	$2.03	$2.97	$2.03	61%	1.46	$882.03

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$960.00	$957.50	Sep 18	$1.17	$1.33	$1.17	100%	1.14	$958.83
$905.00	$900.00	Sep 18	$2.95	$2.05	$2.95	88%	0.69	$902.05
$895.00	$890.00	Oct 30	$1.35	$3.65	$1.35	49%	2.70	$893.65
$920.00	$915.00	Oct 16	$2.22	$2.78	$2.22	65%	1.25	$917.78
$920.00	$917.50	Sep 25	$0.87	$1.63	$0.87	73%	1.87	$919.13

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 281 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	$4.25	$4.25	$0.75	89%	5.67	$1009.25
$995.00	$1000.00	Sep 18	$3.37	$3.37	$1.63	90%	2.07	$998.37
$1065.00	$1070.00	Oct 2	$2.93	$2.93	$2.07	92%	1.42	$1067.93
$1035.00	$1060.00	Oct 30	$2.42	$2.42	$22.58	91%	0.11	$1037.42

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
$885.00	$880.00	Oct 23	$3.15	$3.15	$1.85	57%	1.70	$881.85
$845.00	$840.00	Oct 30	$2.05	$2.05	$2.95	78%	0.69	$842.95

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 4 found (avg debit $11.53, cheapest $10.89)

CALLS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$890.00	Sep 18	Sep 25	$11.72	21.5%	28.8%
$895.00	Sep 18	Sep 25	$12.17	20.9%	28.7%

PUTS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$890.00	Sep 18	Sep 25	$10.89	21.5%	28.8%
$895.00	Sep 18	Sep 25	$11.32	20.9%	28.7%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 172 found (cheapest 0.83% of stock, avg 5.74%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$895.00	Sep 18	$3.48	$3.95	$7.43	$887.57	$902.43	0.83%
$890.00	Sep 18	$6.23	$2.04	$8.27	$881.73	$898.27	0.93%
$900.00	Sep 18	$1.65	$7.68	$9.33	$890.67	$909.33	1.04%
$885.00	Sep 18	$9.50	$0.93	$10.43	$874.57	$895.43	1.17%
$905.00	Sep 18	$0.71	$10.63	$11.34	$893.66	$916.34	1.27%
$880.00	Sep 18	$14.28	$0.41	$14.69	$865.31	$894.69	1.64%
$910.00	Sep 18	$0.32	$15.58	$15.90	$894.10	$925.90	1.78%
$875.00	Sep 18	$19.98	$0.20	$20.18	$854.82	$895.18	2.26%
$915.00	Sep 18	$0.20	$20.75	$20.95	$894.05	$935.95	2.34%
$917.50	Sep 18	$0.37	$23.98	$24.35	$893.15	$941.85	2.72%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 175 found (cheapest 0.18% of stock, avg 3.31%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$905.00	$885.00	Sep 18	$0.71	$0.93	$1.64	$883.36	$906.64
$900.00	$885.00	Sep 18	$1.65	$0.93	$2.58	$882.42	$902.58
$905.00	$890.00	Sep 18	$0.71	$2.04	$2.75	$887.25	$907.75
$900.00	$890.00	Sep 18	$1.65	$2.04	$3.69	$886.31	$903.69
$905.00	$795.00	Sep 18	$0.71	$4.28	$4.99	$790.01	$909.99
$905.00	$790.00	Sep 18	$0.71	$4.28	$4.99	$785.01	$909.99
$905.00	$775.00	Sep 18	$0.71	$4.28	$4.99	$770.01	$909.99
$1005.00	$885.00	Sep 18	$4.28	$0.93	$5.21	$879.79	$1010.21
$1015.00	$885.00	Sep 18	$4.28	$0.93	$5.21	$879.79	$1020.21
$895.00	$885.00	Sep 18	$3.48	$0.93	$4.41	$880.59	$899.41

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 329 found (best R:R 6.58, avg credit $1.68)

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
760/765	920/922	Sep 18	$4.38	$0.62	88%	7.06	$760.62	$924.38
745/750	1005/1010	Sep 18	$4.36	$0.64	88%	6.81	$745.64	$1009.36
760/765	918/920	Sep 18	$4.44	$0.56	86%	7.93	$760.56	$921.94
750/755	920/922	Sep 18	$4.26	$0.74	88%	5.76	$750.74	$924.26
785/790	920/922	Sep 18	$4.31	$0.69	87%	6.25	$785.69	$924.31
750/755	918/920	Sep 18	$4.32	$0.68	86%	6.35	$750.68	$921.82
760/765	910/915	Sep 18	$4.39	$0.61	85%	7.20	$760.61	$914.39
785/790	918/920	Sep 18	$4.37	$0.63	84%	6.94	$785.63	$921.87
760/765	905/910	Sep 18	$4.66	$0.34	77%	13.71	$760.34	$909.66

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 262 found (best R:R 8.62, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$885.00	$890.00	$895.00	Sep 18	$0.52	$4.48	35%	8.62
$890.00	$895.00	$900.00	Sep 18	$0.92	$4.08	40%	4.43
$780.00	$800.00	$820.00	Oct 16	$0.42	$19.58	6%	46.62
$895.00	$900.00	$905.00	Sep 18	$0.89	$4.11	34%	4.62
$900.00	$905.00	$910.00	Oct 9	$0.11	$4.89	7%	44.45

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$885.00	$890.00	$895.00	Sep 18	$0.80	$4.20	35%	5.25
$890.00	$895.00	$900.00	Oct 16	$0.07	$4.93	7%	70.43
$880.00	$885.00	$890.00	Sep 18	$0.59	$4.41	24%	7.47
$840.00	$845.00	$850.00	Sep 25	$0.06	$4.94	5%	82.33
$780.00	$790.00	$800.00	Oct 23	$0.09	$9.91	3%	110.11

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 323 found (best net $-3.62, 289 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$820.00	$850.00	1:2	Sep 25	-$18.72	$11.28
$890.00	$895.00	1:2	Sep 18	-$0.73	$4.27
$885.00	$890.00	1:2	Sep 18	-$2.96	$2.04
$910.00	$915.00	1:2	Sep 18	-$0.08	$4.92
$995.00	$1000.00	1:2	Sep 25	-$0.02	$4.98

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$1000.00	$940.00	1:2	Oct 30	-$3.62	$56.38
$900.00	$895.00	1:2	Sep 18	-$0.22	$4.78
$895.00	$890.00	1:2	Sep 18	-$0.13	$4.87
$780.00	$750.00	1:2	Oct 30	-$0.28	$29.72
$780.00	$760.00	1:2	Oct 23	-$0.16	$19.84

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 137 found (best yield 2.64%, avg 0.85%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$905.00	Oct 30	$23.60	0.46	1.2%	2.64%	3.88%	9	21
$900.00	Oct 30	$25.55	0.48	0.7%	2.86%	3.54%	35	16
$895.00	Oct 30	$27.90	0.51	0.1%	3.12%	3.24%	96	10
$910.00	Oct 30	$20.70	0.43	1.8%	2.32%	4.11%	1	32
$925.00	Oct 30	$15.30	0.36	3.5%	1.71%	5.19%	1	4
$900.00	Oct 23	$23.40	0.48	0.7%	2.62%	3.30%	742	155
$905.00	Oct 23	$21.30	0.45	1.2%	2.38%	3.62%	15	61
$895.00	Oct 23	$25.60	0.51	0.1%	2.86%	2.98%	16	36
$930.00	Oct 30	$13.60	0.34	4.0%	1.52%	5.56%	1	4
$910.00	Oct 23	$18.65	0.43	1.8%	2.09%	3.88%	15	79

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 23,932

Total Puts 28,353

Put/Call Ratio 1.18

Net Difference -4,421

Prior's Put/Call Breakdown

Total Calls 19,029

Total Puts 14,839

Put/Call Ratio 0.78

Net Difference 4,190

Prior 7-Day Put/Call Summary

Total Calls 136,979

Total Puts 138,060

Average Put/Call Ratio 1.01

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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