COST - Options Database

COST

COSTCO WHSL CORP NEW

$951.62 +1.77%

(7/24 01:42) ◀

Monday, July 27, 2026 (3:05pm)

▶ (7/27 18:04)

◀ 7/27 15:05 ▶

Option Volume

Detail

ℹ

Current (07/27 3:05pm) 46,522

Calls: 18,809 (40%)

Puts: 27,713 (60%)

Prior (07/22) 34,460

Calls: 15,578 (45%)

Puts: 18,882 (55%)

Current vs Prior +35.00%

Calls: +20.74% (Calls)

Puts: +46.77% (Puts)

Prior 7-Day Total 291,973

Calls: 130,893 (45%)

Puts: 161,080 (55%)

Prior 7-Day Average 41,710

Calls: 18,699 (45%)

Puts: 23,011 (55%)

Current vs Prior 7-Day Avg +11.54%

Calls: +0.59%

Puts: +20.43%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (07/27 3:05pm) $30.28M

Calls: $18.44M (61%)

Puts: $11.84M (39%)

Prior (07/22) $17.02M

Calls: $9.19M (54%)

Puts: $7.83M (46%)

Current vs Prior +77.92%

Calls: +100.67%

Puts: +51.22%

Prior 7-Day Total $182.85M

Calls: $115.15M (63%)

Puts: $67.70M (37%)

Prior 7-Day Average $26.12M

Calls: $16.45M (63%)

Puts: $9.67M (37%)

Current vs Prior 7-Day Avg +15.93%

Calls: +12.13%

Puts: +22.41%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (07/27 3:05pm) 1.47

Prior (07/22) 1.21

Current vs Prior +21.56%

Prior 7-Day Average 1.27

Current vs Prior 7-Day Avg +15.94%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (07/27 3:05pm) 301,641

Calls: 145,021 (48%)

Puts: 156,620 (52%)

Prior (07/22) 318,538

Calls: 150,141 (47%)

Puts: 168,397 (53%)

Current vs Prior -5.30%

Prior 7-Day Total 2,195,574

Calls: 1,078,361 (49%)

Puts: 1,117,213 (51%)

Prior 7-Day Average 313,653

Calls: 154,051 (49%)

Puts: 159,601 (51%)

Current vs Prior 7-Day Avg -3.83%

Sentiment BULLISH

Expected Move

Detail

ℹ

WKMO Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)

Current 2.30% | 3.36%4.77% | 7.02%

Prior 1.63% | 2.92%5.18% | 7.47%

Current vs Prior +40.81% | +14.94%-7.87% | -6.06%

Prior 7-Day Avg 1.67% | 3.05%3.15% | 6.62%

Current vs 7-Day Avg +37.36% | +10.21%+51.30% | +6.02%

Prior 7-Day Eod 1.63% | 2.92%4.89% | 7.01%

Current vs 7-Day Eod +40.81% | +14.94%-2.43% | +0.10%

Sentiment BEARISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 15.66% | 20.37%

Calls: 10.76% | 18.29%

Puts: 20.56% | 22.44%

Prior 19.86% | 14.41%

Calls: 26.21% | 16.61%

Puts: 13.50% | 12.21%

Current vs Prior -21.15% | +41.36%

Prior 7-Day Avg 23.56% | 14.16%

Calls: 25.26% | 15.65%

Puts: 21.87% | 12.67%

Current vs 7-Day Avg -33.54% | +43.88%

Liquidity Expensive

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Moderately bullish flow with 61% call dollar volume ($18.44M). Elevated premium activity with dollar volume up 78% vs prior. Bearish P/C ratio of 1.47 indicates protective positioning.

Smart Money BULLISH

Retail Flow BEARISH

Overall BEARISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BULLISH

Prior BULLISH

7-Day Avg BULLISH

Current BEARISH

Prior NEUTRAL

7-Day Avg NEUTRAL

Current BEARISH

Prior BEARISH

7-Day Avg NEUTRAL

Current NEUTRAL

Prior NEUTRAL

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

Sentiment Timeline (Today)

Time	Smart Money	Retail	Overall
15:40	BULLISH	BEARISH	BEARISH
15:05	BULLISH	BEARISH	BEARISH

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📉 Credit Spreads

📅 Calendar Spreads

⚡ Straddles

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⚖️ Ratio Spreads

🛡️ Covered Calls

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Tightest Spreads

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Best Value <$1

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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 58 of results (avg 7.1%, best 2.7%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$800.00	Aug 21	153.15	157.35	$155.25	2.7%	1	0.99	132
$860.00	Aug 21	94.70	98.50	$96.60	3.9%	--	0.95	53
$805.00	Aug 7	146.05	151.95	$149.00	4.0%	--	1.00	60
$765.00	Aug 21	185.70	193.50	$189.60	4.1%	--	0.99	10
$780.00	Aug 21	171.40	178.60	$175.00	4.1%	--	0.99	20

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$945.00	Jul 31	6.40	6.80	$6.60	6.1%	44	0.38	104
$1050.00	Aug 21	94.45	100.50	$97.48	6.2%	--	0.95	22
$1040.00	Aug 21	85.35	90.85	$88.10	6.2%	--	0.93	143
$1060.00	Aug 21	104.30	111.25	$107.78	6.4%	--	0.97	21
$995.00	Aug 21	46.20	49.70	$47.95	7.3%	10	0.76	48

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 1 found (avg $0.11, cheapest $0.11)

CALLS (0)

No calls meet the criteria

PUTS (1)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$870.00	Jul 31	0.10	0.11	$0.11	9.1%	98	0.01	195

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 159 found (avg delta 0.76, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$805.00	Aug 7	146.05	151.95	$149.00	4.0%	--	1.00	60
$810.00	Aug 7	141.05	147.00	$144.03	4.1%	3	0.99	4
$765.00	Aug 21	185.70	193.50	$189.60	4.1%	--	0.99	10
$870.00	Jul 31	80.40	86.45	$83.43	7.3%	10	0.99	16
$875.00	Jul 31	75.45	81.00	$78.22	7.1%	--	0.99	22

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1060.00	Aug 21	104.30	111.25	$107.78	6.4%	--	0.97	21
$1050.00	Aug 21	94.45	100.50	$97.48	6.2%	--	0.95	22
$995.00	Jul 31	39.60	45.65	$42.63	14.2%	--	0.94	11
$1030.00	Aug 14	74.65	80.80	$77.72	7.9%	--	0.93	21
$1040.00	Aug 21	85.35	90.85	$88.10	6.2%	--	0.93	143

Most actively traded options today. High liquidity = easy entry/exit. 508 active (total vol 30.4K, top 1.2K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$950.00	Jul 31	10.55	11.75	$11.15	10.8%	496	0.54	525
$1000.00	Aug 7	2.25	2.78	$2.51	21.1%	417	0.13	742
$1000.00	Aug 21	6.50	7.25	$6.88	10.9%	414	0.22	1.7K
$1090.00	Aug 7	0.01	0.35	$0.18	188.9%	376	0.01	66
$1050.00	Aug 7	0.16	0.50	$0.33	103.0%	363	0.02	54

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$785.00	Aug 28	0.30	0.55	$0.43	58.1%	1.2K	0.01	125
$785.00	Aug 21	0.20	0.35	$0.28	53.6%	1.1K	0.01	21
$780.00	Aug 28	0.34	0.71	$0.53	69.8%	740	0.02	331
$780.00	Aug 21	0.25	0.57	$0.41	78.0%	721	0.01	369
$900.00	Aug 7	1.40	1.90	$1.65	30.3%	640	0.09	293

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 127 strikes (avg 38.0%, max 140.2%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$1135.00	Jul 31	Sep 4	59.0%	26.1%	126.1%	162	598
$1125.00	Jul 31	Sep 4	54.3%	24.9%	117.6%	75	318
$1140.00	Jul 31	Sep 4	57.2%	26.5%	115.8%	95	711
$1120.00	Jul 31	Sep 4	53.0%	24.9%	112.5%	302	399
$1130.00	Jul 31	Sep 4	54.7%	26.1%	109.5%	112	343

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$785.00	Jul 31	Sep 4	68.9%	28.7%	140.2%	258	543
$780.00	Jul 31	Sep 4	67.5%	30.4%	121.8%	224	627
$790.00	Jul 31	Sep 4	64.8%	29.8%	117.4%	220	117
$770.00	Jul 31	Sep 4	66.4%	30.8%	115.7%	277	956
$795.00	Jul 31	Sep 4	62.2%	29.1%	113.7%	159	146

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 311 found (best R:R 132.33, avg 10.58)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$1100.00	$1120.00	Aug 21	$0.15	$19.85	$0.15	132.33	$1100.15
$1120.00	$1140.00	Aug 21	$0.15	$19.85	$0.15	132.33	$1120.15
$1085.00	$1100.00	Aug 21	$0.13	$14.87	$0.13	114.38	$1085.13
$1085.00	$1100.00	Aug 28	$0.15	$14.85	$0.15	99.00	$1085.15
$1070.00	$1075.00	Aug 21	$0.10	$4.90	$0.10	49.00	$1070.10

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$780.00	$770.00	Aug 28	$0.14	$9.86	$0.14	70.43	$779.86
$780.00	$770.00	Aug 14	$0.15	$9.85	$0.15	65.67	$779.85
$780.00	$770.00	Sep 4	$0.18	$9.82	$0.18	54.56	$779.82
$815.00	$795.00	Sep 4	$0.38	$19.62	$0.38	51.63	$814.62
$870.00	$865.00	Aug 21	$0.10	$4.90	$0.10	49.00	$869.90

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 410 found (best R:R 99.00, avg 2.92)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$840.00	$850.00	Aug 7	$9.90	$9.90	$0.10	99.00	$849.90
$805.00	$820.00	Aug 21	$14.83	$14.83	$0.17	87.24	$819.83
$830.00	$840.00	Aug 21	$9.83	$9.83	$0.17	57.82	$839.83
$850.00	$890.00	Aug 7	$39.18	$39.18	$0.82	47.78	$889.18
$765.00	$780.00	Aug 21	$14.60	$14.60	$0.40	36.50	$779.60

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$1005.00	$1000.00	Aug 21	$4.90	$4.90	$0.10	49.00	$1000.10
$1040.00	$1020.00	Aug 21	$19.42	$19.42	$0.58	33.48	$1020.58
$990.00	$985.00	Jul 31	$4.77	$4.77	$0.23	20.74	$985.23
$1050.00	$1040.00	Aug 21	$9.38	$9.38	$0.62	15.13	$1040.62
$1030.00	$1015.00	Aug 14	$13.82	$13.82	$1.18	11.71	$1016.18

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 119 found (avg debit $2.73, cheapest $0.05)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$1105.00	Jul 31	Aug 7	$0.05	49.0%	32.6%
$1110.00	Jul 31	Aug 7	$0.05	50.3%	33.5%
$1115.00	Jul 31	Aug 7	$0.06	51.6%	34.6%
$1095.00	Jul 31	Aug 7	$0.07	46.2%	31.6%
$1100.00	Jul 31	Aug 7	$0.07	46.8%	32.3%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$805.00	Jul 31	Aug 7	$0.05	58.8%	38.2%
$810.00	Jul 31	Aug 7	$0.06	56.8%	37.3%
$815.00	Jul 31	Aug 7	$0.07	54.3%	36.0%
$820.00	Jul 31	Aug 7	$0.11	48.1%	35.3%
$845.00	Jul 31	Aug 7	$0.17	45.6%	31.7%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 156 found (cheapest 2.02% of stock, avg 6.24%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$955.00	Jul 31	$8.57	$10.70	$19.27	$935.73	$974.27	2.02%
$950.00	Jul 31	$11.15	$8.55	$19.70	$930.30	$969.70	2.07%
$945.00	Jul 31	$13.80	$6.60	$20.40	$924.60	$965.40	2.14%
$960.00	Jul 31	$6.73	$13.80	$20.53	$939.47	$980.53	2.16%
$965.00	Jul 31	$4.90	$17.25	$22.15	$942.85	$987.15	2.33%
$940.00	Jul 31	$17.83	$4.85	$22.68	$917.32	$962.68	2.38%
$937.50	Jul 31	$19.98	$4.15	$24.13	$913.37	$961.63	2.54%
$970.00	Jul 31	$3.58	$21.08	$24.66	$945.34	$994.66	2.59%
$935.00	Jul 31	$21.75	$3.55	$25.30	$909.70	$960.30	2.66%
$932.50	Jul 31	$23.85	$2.85	$26.70	$905.80	$959.20	2.81%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 0.64% of stock, avg 3.19%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$975.00	$935.00	Jul 31	$2.57	$3.55	$6.12	$928.88	$981.12
$975.00	$937.50	Jul 31	$2.57	$4.15	$6.72	$930.78	$981.72
$970.00	$935.00	Jul 31	$3.58	$3.55	$7.13	$927.87	$977.13
$975.00	$940.00	Jul 31	$2.57	$4.85	$7.42	$932.58	$982.42
$970.00	$937.50	Jul 31	$3.58	$4.15	$7.73	$929.77	$977.73
$965.00	$935.00	Jul 31	$4.90	$3.55	$8.45	$926.55	$973.45
$970.00	$940.00	Jul 31	$3.58	$4.85	$8.43	$931.57	$978.43
$965.00	$937.50	Jul 31	$4.90	$4.15	$9.05	$928.45	$974.05
$975.00	$945.00	Jul 31	$2.57	$6.60	$9.17	$935.83	$984.17
$965.00	$940.00	Jul 31	$4.90	$4.85	$9.75	$930.25	$974.75

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 321 found (best R:R 65.67, avg credit $6.21)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
825/830	840/850	Aug 28	$9.85	$0.15	65.67	$820.15	$849.85
820/825	850/890	Aug 7	$39.37	$0.63	62.49	$785.63	$889.37
790/795	860/865	Aug 14	$4.89	$0.11	44.45	$790.11	$864.89
785/790	840/850	Aug 28	$9.76	$0.24	40.67	$780.24	$849.76
790/795	840/850	Aug 28	$9.75	$0.25	39.00	$785.25	$849.75
900/905	910/915	Aug 7	$4.87	$0.13	37.46	$900.13	$914.87
875/880	905/910	Aug 14	$4.87	$0.13	37.46	$875.13	$909.87
770/780	840/850	Aug 28	$9.74	$0.26	37.46	$770.26	$849.74
895/900	910/915	Aug 7	$4.86	$0.14	34.71	$895.14	$914.86
770/780	800/860	Aug 14	$58.22	$1.78	32.71	$721.78	$858.22

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 228 found (best R:R 124.00, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$1045.00	$1055.00	$1065.00	Sep 4	$0.08	$9.92	124.00
$1020.00	$1025.00	$1030.00	Aug 7	$0.05	$4.95	99.00
$1130.00	$1135.00	$1140.00	Aug 28	$0.05	$4.95	99.00
$1005.00	$1010.00	$1015.00	Jul 31	$0.06	$4.94	82.33
$1035.00	$1040.00	$1045.00	Jul 31	$0.06	$4.94	82.33

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$850.00	$855.00	$860.00	Jul 31	$0.06	$4.94	82.33
$890.00	$895.00	$900.00	Jul 31	$0.06	$4.94	82.33
$880.00	$885.00	$890.00	Aug 21	$0.06	$4.94	82.33
$835.00	$840.00	$845.00	Jul 31	$0.07	$4.93	70.43
$885.00	$890.00	$895.00	Jul 31	$0.07	$4.93	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. 308 found (best net $-3.16, 288 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$800.00	$860.00	1:2	Aug 14	-$37.38	$22.62
$1120.00	$1140.00	1:2	Aug 21	-$0.05	$19.95
$1100.00	$1120.00	1:2	Aug 21	-$0.20	$19.80
$1100.00	$1115.00	1:2	Aug 28	-$0.25	$14.75
$1085.00	$1100.00	1:2	Aug 21	-$0.37	$14.63

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$1010.00	$975.00	1:2	Aug 14	-$3.16	$31.84
$820.00	$800.00	1:2	Aug 28	-$0.05	$19.95
$815.00	$795.00	1:2	Sep 4	-$0.55	$19.45
$900.00	$880.00	1:2	Sep 4	-$3.04	$16.96
$780.00	$770.00	1:2	Aug 28	-$0.25	$9.75

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 111 found (best yield 2.57%, avg 0.82%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$960.00	Sep 4	$24.45	0.47	0.9%	2.57%	3.45%	3	--
$955.00	Aug 28	$24.30	0.49	0.4%	2.55%	2.91%	20	16
$952.50	Aug 21	$22.00	0.52	0.1%	2.31%	2.40%	58	9
$960.00	Aug 28	$21.65	0.47	0.9%	2.28%	3.16%	11	11
$965.00	Sep 4	$21.30	0.45	1.4%	2.24%	3.64%	3	1
$955.00	Aug 21	$20.85	0.50	0.4%	2.19%	2.55%	35	181
$957.50	Aug 21	$19.75	0.48	0.6%	2.08%	2.69%	26	2
$965.00	Aug 28	$19.80	0.44	1.4%	2.08%	3.49%	24	3
$960.00	Aug 21	$18.90	0.47	0.9%	1.99%	2.87%	43	777
$970.00	Sep 4	$18.80	0.42	1.9%	1.98%	3.91%	7	--

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 18,809

Total Puts 27,713

Put/Call Ratio 1.47

Net Difference -8,904

Prior's Put/Call Breakdown

Total Calls 15,578

Total Puts 18,882

Put/Call Ratio 1.21

Net Difference -3,304

Prior 7-Day Put/Call Summary

Total Calls 130,893

Total Puts 161,080

Average Put/Call Ratio 1.27

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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