COST - Options Database

COST

COSTCO WHSL CORP NEW

$922.92 +0.02%

$921.52 (-0.15%)🌙

as of 09/29 02:41 AM

(9/25 18:01) ◀

Monday, September 28, 2026 (2:41am)

▶ (9/29 18:01)

◀ 9/28 02:41 ▶

Option Volume

Detail

ℹ

Current (09/29) 40,454

Calls: 23,831 (59%)

Puts: 16,623 (41%)

Prior (09/25) 120,518

Calls: 66,606 (55%)

Puts: 53,912 (45%)

Current vs Prior -66.43%

Calls: -64.22% (Calls)

Puts: -69.17% (Puts)

Prior 7-Day Total 376,262

Calls: 201,718 (54%)

Puts: 174,544 (46%)

Prior 7-Day Average 62,710

Calls: 28,816 (54%)

Puts: 24,934 (46%)

Current vs Prior 7-Day Avg -35.49%

Calls: -17.30%

Puts: -33.33%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (09/29) $49.56M

Calls: $33.12M (67%)

Puts: $16.44M (33%)

Prior (09/25) $119.11M

Calls: $88.51M (74%)

Puts: $30.60M (26%)

Current vs Prior -58.39%

Calls: -62.58%

Puts: -46.29%

Prior 7-Day Total $502.35M

Calls: $300.56M (60%)

Puts: $201.79M (40%)

Prior 7-Day Average $83.72M

Calls: $42.94M (60%)

Puts: $28.83M (40%)

Current vs Prior 7-Day Avg -40.81%

Calls: -22.86%

Puts: -42.98%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (09/29) 0.70

Prior (09/25) 0.81

Current vs Prior -13.82%

Prior 7-Day Average 0.87

Current vs Prior 7-Day Avg -19.75%

Sentiment BULLISH

Open Interest

Detail

ℹ

Current (09/29) 160,307

Calls: 84,218 (53%)

Puts: 76,089 (47%)

Prior (09/25) 323,996

Calls: 164,015 (51%)

Puts: 159,981 (49%)

Current vs Prior -50.52%

Prior 7-Day Total 1,863,579

Calls: 933,567 (50%)

Puts: 930,012 (50%)

Prior 7-Day Average 310,596

Calls: 155,594 (50%)

Puts: 155,002 (50%)

Current vs Prior 7-Day Avg -48.39%

Sentiment BEARISH

Expected Move

Detail

ℹ

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

Current 1.99% | 3.22%3.67% | 6.36%

Prior 2.34% | 3.38%4.13% | 6.49%

Current vs Prior -15.07% | -4.64%-11.16% | -1.97%

Prior 7-Day Avg 2.56% | 3.99%3.01% | 6.39%

Current vs 7-Day Avg -22.39% | -19.39%+22.05% | -0.37%

Prior 7-Day Eod 2.34% | 3.38%4.13% | 6.49%

Current vs 7-Day Eod -15.07% | -4.64%-11.16% | -1.97%

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 21.11% | 10.22%

Calls: 20.93% | 8.76%

Puts: 21.30% | 11.69%

Current vs 7-Day Avg +0.88% | +130.12%

Liquidity Expensive

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🤖 AI Insights

Moderately bullish flow with 67% call dollar volume ($33.12M). Light premium activity with dollar volume down 58% vs prior. Below-average activity with volume down 66% vs prior. Bullish P/C ratio of 0.70.

Smart Money BULLISH

Retail Flow BULLISH

Overall BULLISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BULLISH

Prior BULLISH

7-Day Avg BULLISH

Current BULLISH

Prior BULLISH

7-Day Avg NEUTRAL

Current BULLISH

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

💰

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 27 of results (avg 7.6%, best 4.5%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$820.00	Oct 2	100.60	105.45	$103.03	4.7%	2	0.99	4
$820.00	Oct 16	102.00	107.85	$104.93	5.6%	8	0.99	--
$800.00	Oct 16	120.80	129.00	$124.90	6.6%	20	0.99	38
$840.00	Oct 2	80.65	86.30	$83.48	6.8%	7	0.99	9
$865.00	Oct 23	60.50	64.85	$62.68	6.9%	26	0.90	10

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1100.00	Oct 16	173.20	181.10	$177.15	4.5%	1	1.00	--
$1100.00	Nov 6	173.20	181.20	$177.20	4.5%	2	0.97	--
$1045.00	Oct 2	118.20	125.90	$122.05	6.3%	2	1.00	--
$1040.00	Oct 2	113.20	120.90	$117.05	6.6%	12	1.00	--
$960.00	Nov 6	43.40	46.80	$45.10	7.5%	2	0.71	--

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. 144 found (avg delta 0.77, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$840.00	Oct 9	80.70	89.00	$84.85	9.8%	2	1.00	--
$820.00	Oct 2	100.60	105.45	$103.03	4.7%	2	0.99	4
$800.00	Oct 16	120.80	129.00	$124.90	6.6%	20	0.99	38
$840.00	Oct 2	80.65	86.30	$83.48	6.8%	7	0.99	9
$850.00	Oct 2	70.65	76.30	$73.47	7.7%	4	0.99	16

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1040.00	Oct 2	113.20	120.90	$117.05	6.6%	12	1.00	--
$1045.00	Oct 2	118.20	125.90	$122.05	6.3%	2	1.00	--
$1025.00	Oct 16	97.80	107.00	$102.40	9.0%	4	1.00	--
$1035.00	Oct 16	107.00	116.10	$111.55	8.2%	1	1.00	--
$1100.00	Oct 16	173.20	181.10	$177.15	4.5%	1	1.00	--

Most actively traded options today. High liquidity = easy entry/exit. 491 active (total vol 27.6K, top 1.4K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$950.00	Oct 2	1.20	1.46	$1.33	19.5%	1.4K	0.12	954
$960.00	Oct 2	0.55	0.78	$0.67	34.3%	1.0K	0.07	235
$940.00	Oct 2	2.61	3.00	$2.81	13.9%	982	0.23	433
$1000.00	Oct 2	0.04	0.10	$0.07	85.7%	781	0.01	776
$945.00	Oct 2	1.83	2.07	$1.95	12.3%	539	0.17	343

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$890.00	Oct 2	0.45	0.86	$0.66	62.1%	411	0.07	477
$870.00	Oct 2	0.08	0.24	$0.16	100.0%	369	0.02	267
$800.00	Oct 2	0.00	0.01	$0.01	100.0%	356	0.00	621
$870.00	Oct 16	1.26	1.96	$1.61	43.5%	329	0.08	585
$900.00	Oct 2	1.28	1.73	$1.51	29.8%	314	0.14	641

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 26 strikes (avg 14.2%, max 31.3%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$925.00	Oct 2	Nov 6	23.0%	17.5%	31.3%	408	504
$905.00	Oct 2	Nov 6	22.5%	18.7%	20.4%	54	279
$915.00	Oct 2	Nov 6	22.1%	18.8%	17.3%	232	459
$920.00	Oct 2	Nov 6	21.5%	18.6%	15.3%	298	740
$902.50	Oct 2	Oct 9	22.1%	19.4%	14.0%	17	109

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$925.00	Oct 2	Nov 6	23.0%	17.5%	31.3%	219	89
$905.00	Oct 2	Nov 6	22.5%	18.7%	20.4%	146	236
$910.00	Oct 2	Oct 30	21.8%	18.4%	18.4%	258	478
$915.00	Oct 2	Nov 6	22.1%	18.8%	17.3%	255	112
$920.00	Oct 2	Nov 6	21.5%	18.6%	15.3%	302	416

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 277 found (best R:R 1.15, avg 12.14)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$890.00	$895.00	Oct 30	$2.33	$2.67	$2.33	75%	1.15	$892.33
$890.00	$895.00	Oct 23	$2.68	$2.32	$2.68	78%	0.87	$892.68
$905.00	$907.50	Oct 2	$1.00	$1.50	$1.00	80%	1.50	$906.00
$925.00	$930.00	Oct 16	$1.37	$3.63	$1.37	50%	2.65	$926.37
$917.50	$920.00	Oct 9	$0.45	$2.05	$0.45	57%	4.56	$917.95

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$925.00	$920.00	Nov 6	$1.22	$3.78	$1.22	50%	3.10	$923.78
$960.00	$950.00	Nov 6	$5.87	$4.13	$5.87	71%	0.70	$954.13
$955.00	$950.00	Oct 9	$3.20	$1.80	$3.20	83%	0.56	$951.80
$965.00	$960.00	Oct 30	$3.00	$2.00	$3.00	76%	0.67	$962.00
$910.00	$905.00	Oct 23	$0.95	$4.05	$0.95	37%	4.26	$909.05

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 228 found (best R:R 0.60, avg 0.29)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$995.00	$1000.00	Oct 9	$2.00	$2.00	$3.00	90%	0.67	$997.00
$1075.00	$1080.00	Oct 23	$1.77	$1.77	$3.23	94%	0.55	$1076.77
$1005.00	$1010.00	Oct 16	$1.59	$1.59	$3.41	91%	0.47	$1006.59
$1050.00	$1055.00	Oct 9	$1.44	$1.44	$3.56	95%	0.40	$1051.44
$1055.00	$1060.00	Oct 16	$1.44	$1.44	$3.56	94%	0.40	$1056.44

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$745.00	$740.00	Nov 6	$1.87	$1.87	$3.13	96%	0.60	$743.13
$810.00	$800.00	Oct 2	$1.59	$1.59	$8.41	95%	0.19	$808.41
$760.00	$745.00	Oct 23	$0.96	$0.96	$14.04	97%	0.07	$759.04
$860.00	$855.00	Nov 6	$1.52	$1.52	$3.48	85%	0.44	$858.48
$915.00	$910.00	Oct 23	$2.75	$2.75	$2.25	58%	1.22	$912.25

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 13 found (avg debit $4.34, cheapest $3.85)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$915.00	Oct 2	Oct 9	$3.97	22.1%	19.5%
$920.00	Oct 2	Oct 9	$5.88	21.5%	19.0%
$930.00	Oct 2	Oct 9	$4.30	23.0%	20.8%
$925.00	Oct 2	Oct 9	$4.63	23.0%	21.2%
$935.00	Oct 2	Oct 9	$4.35	23.1%	21.4%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$915.00	Oct 2	Oct 9	$3.85	22.1%	19.5%
$920.00	Oct 2	Oct 9	$3.93	21.5%	19.0%
$930.00	Oct 2	Oct 9	$4.15	23.0%	20.8%
$925.00	Oct 2	Oct 9	$4.05	23.0%	21.2%
$912.50	Oct 2	Oct 9	$4.30	21.6%	20.2%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 130 found (cheapest 1.83% of stock, avg 4.89%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$922.50	Oct 2	$8.90	$7.95	$16.85	$905.65	$939.35	1.83%
$920.00	Oct 2	$10.35	$6.75	$17.10	$902.90	$937.10	1.85%
$925.00	Oct 2	$7.85	$9.43	$17.28	$907.72	$942.28	1.87%
$917.50	Oct 2	$12.00	$5.63	$17.63	$899.87	$935.13	1.91%
$927.50	Oct 2	$6.60	$11.50	$18.10	$909.40	$945.60	1.96%
$930.00	Oct 2	$5.75	$12.55	$18.30	$911.70	$948.30	1.98%
$915.00	Oct 2	$14.13	$4.97	$19.10	$895.90	$934.10	2.07%
$935.00	Oct 2	$4.15	$15.18	$19.33	$915.67	$954.33	2.09%
$912.50	Oct 2	$15.43	$3.98	$19.41	$893.09	$931.91	2.10%
$910.00	Oct 2	$17.13	$3.33	$20.46	$889.54	$930.46	2.22%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 0.74% of stock, avg 2.63%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$940.00	$912.50	Oct 2	$2.81	$3.98	$6.79	$905.71	$946.79
$935.00	$912.50	Oct 2	$4.15	$3.98	$8.13	$904.37	$943.13
$940.00	$915.00	Oct 2	$2.81	$4.97	$7.78	$907.22	$947.78
$935.00	$915.00	Oct 2	$4.15	$4.97	$9.12	$905.88	$944.12
$940.00	$917.50	Oct 2	$2.81	$5.63	$8.44	$909.06	$948.44
$930.00	$912.50	Oct 2	$5.75	$3.98	$9.73	$902.77	$939.73
$935.00	$917.50	Oct 2	$4.15	$5.63	$9.78	$907.72	$944.78
$930.00	$915.00	Oct 2	$5.75	$4.97	$10.72	$904.28	$940.72
$930.00	$917.50	Oct 2	$5.75	$5.63	$11.38	$906.12	$941.38
$927.50	$912.50	Oct 2	$6.60	$3.98	$10.58	$901.92	$938.08

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 360 found (best R:R 7.20, avg credit $1.37)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
740/745	955/960	Nov 6	$4.39	$0.61	63%	7.20	$740.61	$959.39
855/860	955/960	Nov 6	$4.04	$0.96	52%	4.21	$855.96	$959.04
740/745	970/975	Nov 6	$2.95	$2.05	71%	1.44	$742.05	$972.95
790/795	960/965	Oct 23	$2.67	$2.33	73%	1.15	$792.33	$962.67
740/745	965/970	Nov 6	$2.84	$2.16	69%	1.31	$742.16	$967.84
810/815	965/970	Oct 30	$2.55	$2.45	73%	1.04	$812.45	$967.55
830/835	965/970	Oct 30	$2.49	$2.51	71%	0.99	$832.51	$967.49
850/855	965/970	Oct 30	$2.71	$2.29	66%	1.18	$852.29	$967.71
740/745	960/965	Nov 6	$2.63	$2.37	67%	1.11	$742.37	$962.63
740/745	950/955	Nov 6	$2.90	$2.10	61%	1.38	$742.10	$952.90

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 203 found (best R:R 18.23, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$930.00	$935.00	$940.00	Oct 2	$0.26	$4.74	16%	18.23
$940.00	$945.00	$950.00	Oct 16	$0.09	$4.91	8%	54.56
$955.00	$960.00	$965.00	Oct 2	$0.06	$4.94	5%	82.33
$885.00	$890.00	$895.00	Oct 2	$0.10	$4.90	6%	49.00
$945.00	$950.00	$955.00	Nov 6	$0.09	$4.91	5%	54.56

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$935.00	$945.00	$955.00	Oct 23	$0.67	$9.33	14%	13.93
$917.50	$920.00	$922.50	Oct 2	$0.08	$2.42	10%	30.25
$880.00	$885.00	$890.00	Oct 9	$0.09	$4.91	4%	54.56
$875.00	$880.00	$885.00	Nov 6	$0.14	$4.86	6%	34.71
$860.00	$865.00	$870.00	Oct 16	$0.07	$4.93	3%	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. 268 found (best net $-45.95, 235 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$840.00	$870.00	1:2	Oct 9	-$24.15	$5.85
$980.00	$985.00	1:2	Oct 9	-$0.06	$4.94
$1035.00	$1040.00	1:2	Oct 23	-$0.09	$4.91
$1085.00	$1095.00	1:2	Oct 16	$0.00	$10.00
$960.00	$965.00	1:2	Oct 2	-$0.15	$4.85

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$1100.00	$1035.00	1:2	Oct 16	-$45.95	$19.05
$950.00	$925.00	1:2	Nov 6	-$5.17	$19.83
$800.00	$740.00	1:2	Oct 16	$0.00	$60.00
$890.00	$885.00	1:2	Oct 2	-$0.10	$4.90
$870.00	$865.00	1:2	Oct 9	-$0.07	$4.93

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 98 found (best yield 2.00%, avg 0.62%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$935.00	Nov 6	$18.50	0.44	1.3%	2.00%	3.31%	1	--
$930.00	Nov 6	$20.35	0.47	0.8%	2.20%	2.97%	21	8
$925.00	Nov 6	$22.50	0.49	0.2%	2.44%	2.66%	21	8
$940.00	Nov 6	$15.30	0.41	1.9%	1.66%	3.51%	3	--
$945.00	Nov 6	$13.70	0.38	2.4%	1.48%	3.88%	10	1
$950.00	Nov 6	$12.40	0.35	2.9%	1.34%	4.28%	86	13
$930.00	Oct 30	$17.85	0.46	0.8%	1.93%	2.70%	108	31
$955.00	Nov 6	$10.30	0.33	3.5%	1.12%	4.59%	1	4
$925.00	Oct 30	$19.15	0.49	0.2%	2.07%	2.30%	82	49
$935.00	Oct 30	$14.80	0.42	1.3%	1.60%	2.91%	22	9

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 23,831

Total Puts 16,623

Put/Call Ratio 0.70

Net Difference 7,208

Prior's Put/Call Breakdown

Total Calls 66,606

Total Puts 53,912

Put/Call Ratio 0.81

Net Difference 12,694

Prior 7-Day Put/Call Summary

Total Calls 201,718

Total Puts 174,544

Average Put/Call Ratio 0.87

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

🤖 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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