COST - Options Database

COST

COSTCO WHSL CORP NEW

$897.68 +0.42%

(9/17 18:01) ◀

Friday, September 18, 2026 (3:05pm)

▶ (9/18 15:12)

◀ 9/18 15:05 ▶

Option Volume

Detail

ℹ

Current (09/18 3:05pm) 43,139

Calls: 23,917 (55%)

Puts: 19,222 (45%)

Prior (09/17) 47,132

Calls: 20,966 (44%)

Puts: 26,166 (56%)

Current vs Prior -8.47%

Calls: +14.08% (Calls)

Puts: -26.54% (Puts)

Prior 7-Day Total 230,378

Calls: 117,648 (51%)

Puts: 112,730 (49%)

Prior 7-Day Average 32,911

Calls: 16,806 (51%)

Puts: 16,104 (49%)

Current vs Prior 7-Day Avg +31.08%

Calls: +42.31%

Puts: +19.36%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (09/18 3:05pm) $46.87M

Calls: $23.83M (51%)

Puts: $23.05M (49%)

Prior (09/17) $93.21M

Calls: $21.76M (23%)

Puts: $71.45M (77%)

Current vs Prior -49.71%

Calls: +9.51%

Puts: -67.75%

Prior 7-Day Total $333.42M

Calls: $195.64M (59%)

Puts: $137.78M (41%)

Prior 7-Day Average $47.63M

Calls: $27.95M (59%)

Puts: $19.68M (41%)

Current vs Prior 7-Day Avg -1.59%

Calls: -14.75%

Puts: +17.08%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (09/18 3:05pm) 0.80

Prior (09/17) 1.25

Current vs Prior -35.60%

Prior 7-Day Average 0.97

Current vs Prior 7-Day Avg -17.04%

Sentiment NEUTRAL

Open Interest

Detail

ℹ

Current (09/18 3:05pm) 337,653

Calls: 170,928 (51%)

Puts: 166,725 (49%)

Prior (09/17) 326,643

Calls: 162,406 (50%)

Puts: 164,237 (50%)

Current vs Prior +3.37%

Prior 7-Day Total 2,290,428

Calls: 1,118,116 (49%)

Puts: 1,172,312 (51%)

Prior 7-Day Average 327,204

Calls: 159,730 (49%)

Puts: 167,473 (51%)

Current vs Prior 7-Day Avg +3.19%

Sentiment BEARISH

Expected Move

Detail

ℹ

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

Current 0.65% | 3.73%0.65% | 5.62%

Prior 1.87% | 4.06%1.87% | 5.98%

Current vs Prior -65.43% | -8.09%-65.43% | -6.03%

Prior 7-Day Avg 1.49% | 2.98%2.82% | 6.39%

Current vs 7-Day Avg -56.67% | +25.26%-77.06% | -12.09%

Prior 7-Day Eod 1.87% | 4.06%1.14% | 5.49%

Current vs 7-Day Eod -65.43% | -8.09%-43.26% | +2.43%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 31.43% | 7.18%

Calls: 29.29% | 6.94%

Puts: 33.57% | 7.41%

Prior 13.79% | 7.21%

Calls: 19.92% | 9.81%

Puts: 7.65% | 4.62%

Current vs Prior +127.92% | -0.42%

Prior 7-Day Avg 18.70% | 9.04%

Calls: 18.80% | 8.96%

Puts: 18.60% | 9.12%

Current vs 7-Day Avg +68.07% | -20.60%

Liquidity Expensive

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P/C ratio dropping 36% - sentiment shifting bullish.

Smart Money BULLISH

Retail Flow BULLISH

Overall BULLISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BULLISH

Prior BEARISH

7-Day Avg BULLISH

Current BULLISH

Prior BEARISH

7-Day Avg NEUTRAL

Current NEUTRAL

Prior BEARISH

7-Day Avg NEUTRAL

Current NEUTRAL

Prior NEUTRAL

7-Day Avg NEUTRAL

Current NEUTRAL

Prior BULLISH

7-Day Avg BULLISH

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🛡️ Covered Calls

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Best Value <$1

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 211 of results (avg 7.0%, best 2.8%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$905.00	Oct 2	16.05	16.50	$16.27	2.8%	9	0.45	38
$720.00	Sep 18	173.55	179.10	$176.33	3.1%	--	0.93	29
$890.00	Oct 16	28.95	29.90	$29.42	3.2%	57	0.57	121
$720.00	Sep 25	174.05	179.80	$176.93	3.2%	2	0.95	--
$900.00	Oct 16	23.75	24.55	$24.15	3.3%	141	0.50	279

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$970.00	Oct 16	73.65	76.00	$74.83	3.1%	--	0.86	48
$1020.00	Sep 18	121.65	127.00	$124.33	4.3%	--	1.00	17
$915.00	Oct 16	31.55	33.00	$32.28	4.5%	6	0.59	266
$900.00	Oct 2	19.30	20.25	$19.77	4.8%	76	0.51	404
$900.00	Oct 16	23.15	24.30	$23.73	4.8%	75	0.50	1.3K

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. 201 found (avg delta 0.78, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$740.00	Sep 18	153.55	159.10	$156.32	3.6%	--	1.00	29
$760.00	Sep 18	133.25	139.50	$136.38	4.6%	--	1.00	69
$780.00	Sep 18	113.55	119.20	$116.38	4.9%	--	1.00	53
$800.00	Sep 18	93.35	98.35	$95.85	5.2%	4	1.00	102
$820.00	Sep 18	73.20	78.45	$75.83	6.9%	2	1.00	38

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$905.00	Sep 18	6.95	8.25	$7.60	17.1%	162	1.00	591
$910.00	Sep 18	11.80	13.30	$12.55	12.0%	565	1.00	1.0K
$915.00	Sep 18	17.00	18.15	$17.58	6.5%	83	1.00	233
$920.00	Sep 18	21.10	25.55	$23.33	19.1%	78	1.00	613
$925.00	Sep 18	26.90	31.55	$29.23	15.9%	17	1.00	123

Most actively traded options today. High liquidity = easy entry/exit. 483 active (total vol 35.8K, top 3.8K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$915.00	Sep 18	0.00	0.02	$0.01	200.0%	3.8K	0.01	285
$900.00	Sep 18	0.35	0.68	$0.52	63.5%	1.8K	0.25	754
$895.00	Sep 18	2.53	3.40	$2.97	29.3%	971	0.76	452
$985.00	Sep 25	0.43	0.67	$0.55	43.6%	813	0.03	939
$980.00	Sep 25	0.60	0.81	$0.71	29.6%	747	0.04	838

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$900.00	Sep 18	2.35	3.30	$2.83	33.6%	1.4K	0.75	2.3K
$890.00	Sep 25	11.55	12.95	$12.25	11.4%	1.1K	0.41	363
$845.00	Sep 25	1.45	1.58	$1.52	8.6%	885	0.08	1.1K
$850.00	Sep 25	1.92	2.10	$2.01	9.0%	791	0.10	932
$890.00	Sep 18	0.05	0.29	$0.17	141.2%	768	0.07	1.3K

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 56.7%, max 76.3%)

CALLS (2)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$895.00	Sep 18	Oct 30	37.3%	21.1%	76.3%	1.0K	501
$900.00	Sep 18	Oct 30	33.4%	21.1%	58.4%	1.8K	784

PUTS (3)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$895.00	Sep 18	Oct 30	37.3%	21.1%	76.3%	459	1.1K
$900.00	Sep 18	Oct 30	33.4%	21.1%	58.4%	1.4K	2.5K
$917.50	Sep 25	Oct 2	32.2%	28.2%	14.0%	41	82

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 337 found (best R:R 1.13, avg 8.72)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$885.00	$890.00	Oct 9	$1.57	$3.43	$1.57	61%	2.18	$886.57
$915.00	$920.00	Oct 23	$0.78	$4.22	$0.78	41%	5.41	$915.78
$875.00	$880.00	Oct 30	$2.07	$2.93	$2.07	64%	1.42	$877.07
$860.00	$865.00	Sep 25	$3.10	$1.90	$3.10	84%	0.61	$863.10
$885.00	$890.00	Oct 2	$1.95	$3.05	$1.95	62%	1.56	$886.95

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$950.00	$945.00	Oct 23	$2.35	$2.65	$2.35	77%	1.13	$947.65
$970.00	$965.00	Oct 16	$3.13	$1.87	$3.13	86%	0.60	$966.87
$952.50	$950.00	Sep 18	$1.45	$1.05	$1.45	100%	0.72	$951.05
$920.00	$915.00	Oct 23	$2.13	$2.87	$2.13	61%	1.35	$917.87
$925.00	$922.50	Sep 25	$1.06	$1.44	$1.06	74%	1.36	$923.94

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 274 found (best R:R 5.85, avg 0.40)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$1065.00	$1070.00	Oct 2	$3.83	$3.83	$1.17	91%	3.27	$1068.83
$1040.00	$1060.00	Sep 18	$3.47	$3.47	$16.53	92%	0.21	$1043.47
$1005.00	$1010.00	Oct 2	$1.31	$1.31	$3.69	91%	0.36	$1006.31
$1010.00	$1015.00	Oct 2	$1.09	$1.09	$3.91	94%	0.28	$1011.09
$920.00	$925.00	Oct 23	$2.52	$2.52	$2.48	61%	1.02	$922.52

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
$785.00	$780.00	Sep 18	$4.26	$4.26	$0.74	91%	5.76	$780.74
$775.00	$770.00	Sep 18	$4.22	$4.22	$0.78	91%	5.41	$770.78
$755.00	$750.00	Sep 18	$4.15	$4.15	$0.85	92%	4.88	$750.85
$805.00	$800.00	Sep 18	$4.27	$4.27	$0.73	89%	5.85	$800.73

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 1 found (avg debit $3.12, cheapest $3.12)

CALLS (0)

No calls found

PUTS (1)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$917.50	Sep 25	Oct 2	$3.12	32.2%	28.2%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 176 found (cheapest 0.37% of stock, avg 5.71%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$900.00	Sep 18	$0.52	$2.83	$3.35	$896.65	$903.35	0.37%
$895.00	Sep 18	$2.97	$0.54	$3.51	$891.49	$898.51	0.39%
$905.00	Sep 18	$0.03	$7.60	$7.63	$897.37	$912.63	0.85%
$890.00	Sep 18	$7.60	$0.17	$7.77	$882.23	$897.77	0.87%
$885.00	Sep 18	$12.13	$0.09	$12.22	$872.78	$897.22	1.36%
$910.00	Sep 18	$0.01	$12.55	$12.56	$897.44	$922.56	1.40%
$880.00	Sep 18	$16.70	$0.12	$16.82	$863.18	$896.82	1.87%
$915.00	Sep 18	$0.01	$17.58	$17.59	$897.41	$932.59	1.96%
$875.00	Sep 18	$22.23	$0.13	$22.36	$852.64	$897.36	2.49%
$920.00	Sep 18	$0.01	$23.33	$23.34	$896.66	$943.34	2.60%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 170 found (cheapest 0.12% of stock, avg 3.47%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$900.00	$895.00	Sep 18	$0.52	$0.54	$1.06	$893.94	$901.06
$942.50	$895.00	Sep 18	$2.50	$0.54	$3.04	$891.96	$945.54
$955.00	$895.00	Sep 18	$2.73	$0.54	$3.27	$891.73	$958.27
$1040.00	$895.00	Sep 18	$3.50	$0.54	$4.04	$890.96	$1044.04
$900.00	$805.00	Sep 18	$0.52	$4.28	$4.80	$800.20	$904.80
$900.00	$795.00	Sep 18	$0.52	$4.28	$4.80	$790.20	$904.80
$900.00	$790.00	Sep 18	$0.52	$4.28	$4.80	$785.20	$904.80
$900.00	$785.00	Sep 18	$0.52	$4.28	$4.80	$780.20	$904.80
$942.50	$805.00	Sep 18	$2.50	$4.28	$6.78	$798.22	$949.28
$942.50	$795.00	Sep 18	$2.50	$4.28	$6.78	$788.22	$949.28

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 308 found (best R:R 0.63, avg credit $1.87)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
760/765	1040/1060	Sep 18	$7.74	$12.26	83%	0.63	$757.26	$1047.74
750/755	1040/1060	Sep 18	$7.62	$12.38	84%	0.62	$747.38	$1047.62
770/775	1040/1060	Sep 18	$7.69	$12.31	83%	0.62	$767.31	$1047.69
780/785	1040/1060	Sep 18	$7.73	$12.27	82%	0.63	$777.27	$1047.73
800/805	1040/1060	Sep 18	$7.74	$12.26	81%	0.63	$797.26	$1047.74
760/765	900/905	Sep 18	$4.76	$0.24	67%	19.83	$760.24	$904.76
780/785	900/905	Sep 18	$4.75	$0.25	66%	19.00	$780.25	$904.75
770/775	900/905	Sep 18	$4.71	$0.29	66%	16.24	$770.29	$904.71
750/755	900/905	Sep 18	$4.64	$0.36	67%	12.89	$750.36	$904.64
800/805	900/905	Sep 18	$4.76	$0.24	64%	19.83	$800.24	$904.76

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 257 found (best R:R 1.55, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$895.00	$900.00	$905.00	Sep 18	$1.96	$3.04	73%	1.55
$840.00	$850.00	$860.00	Sep 25	$0.20	$9.80	9%	49.00
$890.00	$895.00	$900.00	Sep 18	$2.18	$2.82	68%	1.29
$900.00	$905.00	$910.00	Sep 18	$0.47	$4.53	25%	9.64
$870.00	$875.00	$880.00	Sep 25	$0.12	$4.88	9%	40.67

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$900.00	$905.00	$910.00	Sep 18	$0.18	$4.82	25%	26.78
$890.00	$895.00	$900.00	Sep 18	$1.92	$3.08	68%	1.60
$895.00	$900.00	$905.00	Sep 18	$2.48	$2.52	76%	1.02
$885.00	$890.00	$895.00	Sep 18	$0.29	$4.71	21%	16.24
$885.00	$890.00	$895.00	Oct 2	$0.07	$4.93	8%	70.43

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 320 found (best net $-20.57, 289 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$720.00	$800.00	1:2	Sep 25	-$20.57	$59.43
$800.00	$835.00	1:2	Sep 25	-$27.35	$7.65
$885.00	$890.00	1:2	Sep 18	-$3.07	$1.93
$1005.00	$1010.00	1:2	Oct 2	-$0.24	$4.76
$910.00	$915.00	1:2	Sep 18	-$0.01	$4.99

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$910.00	$905.00	1:2	Sep 18	-$2.65	$2.35
$890.00	$885.00	1:2	Sep 18	-$0.01	$4.99
$765.00	$760.00	1:2	Oct 16	$0.00	$5.00
$815.00	$810.00	1:2	Oct 2	-$0.06	$4.94
$780.00	$770.00	1:2	Oct 9	-$0.06	$9.94

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 128 found (best yield 3.06%, avg 0.87%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$900.00	Oct 30	$27.45	0.49	0.3%	3.06%	3.32%	15	30
$905.00	Oct 30	$24.85	0.47	0.8%	2.77%	3.58%	--	21
$910.00	Oct 30	$22.10	0.44	1.4%	2.46%	3.83%	1	32
$915.00	Oct 30	$19.50	0.42	1.9%	2.17%	4.10%	1	5
$900.00	Oct 23	$25.35	0.50	0.3%	2.82%	3.08%	257	489
$905.00	Oct 23	$22.90	0.47	0.8%	2.55%	3.37%	8	64
$920.00	Oct 23	$16.90	0.39	2.5%	1.88%	4.37%	--	48
$910.00	Oct 23	$19.90	0.44	1.4%	2.22%	3.59%	4	93
$930.00	Oct 30	$14.10	0.34	3.6%	1.57%	5.17%	1	5
$900.00	Oct 16	$23.75	0.50	0.3%	2.65%	2.90%	141	279

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 23,917

Total Puts 19,222

Put/Call Ratio 0.80

Net Difference 4,695

Prior's Put/Call Breakdown

Total Calls 20,966

Total Puts 26,166

Put/Call Ratio 1.25

Net Difference -5,200

Prior 7-Day Put/Call Summary

Total Calls 117,648

Total Puts 112,730

Average Put/Call Ratio 0.97

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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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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