COST - Options Database

COST

COSTCO WHSL CORP NEW

$935.80 -0.54%

$934.75 (-0.11%)🌙

as of 07/20 06:02 PM

(7/20 15:05) ◀

Monday, July 20, 2026 (6:02pm)

▶

◀ 7/20 18:02

Option Volume

Detail

ℹ

Current (07/20) 40,852

Calls: 17,229 (42%)

Puts: 23,623 (58%)

Prior (07/17) 57,537

Calls: 30,191 (52%)

Puts: 27,346 (48%)

Current vs Prior -29.00%

Calls: -42.93% (Calls)

Puts: -13.61% (Puts)

Prior 7-Day Total 405,620

Calls: 206,747 (51%)

Puts: 198,873 (49%)

Prior 7-Day Average 57,945

Calls: 29,535 (51%)

Puts: 28,410 (49%)

Current vs Prior 7-Day Avg -29.50%

Calls: -41.67%

Puts: -16.85%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (07/20) $17.87M

Calls: $8.36M (47%)

Puts: $9.52M (53%)

Prior (07/17) $31.39M

Calls: $18.98M (60%)

Puts: $12.41M (40%)

Current vs Prior -43.06%

Calls: -55.96%

Puts: -23.33%

Prior 7-Day Total $332.73M

Calls: $172.08M (52%)

Puts: $160.65M (48%)

Prior 7-Day Average $47.53M

Calls: $24.58M (52%)

Puts: $22.95M (48%)

Current vs Prior 7-Day Avg -62.40%

Calls: -66.01%

Puts: -58.54%

Sentiment BEARISH

Put/Call Ratio

Detail

ℹ

Current (07/20) 1.37

Prior (07/17) 0.91

Current vs Prior +51.38%

Prior 7-Day Average 0.99

Current vs Prior 7-Day Avg +38.69%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (07/20) 284,983

Calls: 139,646 (49%)

Puts: 145,337 (51%)

Prior (07/17) 341,808

Calls: 169,376 (50%)

Puts: 172,432 (50%)

Current vs Prior -16.62%

Prior 7-Day Total 2,229,355

Calls: 1,112,570 (50%)

Puts: 1,116,785 (50%)

Prior 7-Day Average 318,479

Calls: 158,938 (50%)

Puts: 159,540 (50%)

Current vs Prior 7-Day Avg -10.52%

Sentiment BULLISH

Expected Move

Detail

ℹ

WKMO Expiry (07/24) | Next (07/31)Expiry (08/21) | Next (09/18)

Current 2.36% | 3.54%5.74% | 7.71%

Prior 2.65% | 3.90%0.69% | 6.05%

Current vs Prior -11.02% | -9.37%+732.66% | +27.43%

Prior 7-Day Avg 1.99% | 3.21%1.94% | 6.13%

Current vs 7-Day Avg +18.78% | +10.33%+196.82% | +25.75%

Prior 7-Day Eod 2.65% | 3.90%0.69% | 6.05%

Current vs 7-Day Eod -11.02% | -9.37%+732.66% | +27.43%

Sentiment BULLISHBEARISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 12.13% | 18.16%

Calls: 8.15% | 16.42%

Puts: 16.11% | 19.90%

Prior 54.51% | 11.97%

Calls: 56.03% | 15.79%

Puts: 52.99% | 8.15%

Current vs Prior -77.75% | +51.71%

Prior 7-Day Avg 31.55% | 13.81%

Calls: 33.01% | 16.62%

Puts: 30.09% | 11.00%

Current vs 7-Day Avg -61.55% | +31.51%

Liquidity Expensive

Add Card

🤖 AI Insights

Bearish P/C ratio of 1.37 indicates protective positioning. P/C ratio rising 51% - increased hedging/bearish positioning. Declining open interest (down 17%) indicates positions being closed.

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

📈 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

🎯

Tightest Spreads

💰

Best Value <$1

📊

High Delta

⚖️

Ratio Spreads

🛡️

Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 84 of results (avg 7.2%, best 3.4%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$750.00	Jul 24	184.10	190.45	$187.27	3.4%	--	1.00	42
$760.00	Jul 24	174.10	180.45	$177.27	3.6%	--	1.00	105
$800.00	Aug 21	137.15	142.40	$139.78	3.8%	1	1.00	82
$940.00	Aug 21	24.50	25.50	$25.00	4.0%	128	0.49	289
$780.00	Jul 31	154.15	160.45	$157.30	4.0%	--	0.99	48

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1060.00	Aug 21	121.15	127.45	$124.30	5.1%	2	0.94	30
$1040.00	Aug 7	102.00	107.45	$104.73	5.2%	--	0.95	19
$1050.00	Aug 21	111.25	117.70	$114.48	5.6%	--	0.93	23
$940.00	Aug 21	25.75	27.25	$26.50	5.7%	79	0.51	285
$925.00	Aug 21	18.70	19.80	$19.25	5.7%	38	0.42	466

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 1 found (avg $0.96, cheapest $0.96)

CALLS (1)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$975.00	Jul 24	0.90	1.01	$0.96	11.5%	776	0.08	183

PUTS (0)

No puts meet the criteria

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 181 found (avg delta 0.77, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$750.00	Jul 24	184.10	190.45	$187.27	3.4%	--	1.00	42
$760.00	Jul 24	174.10	180.45	$177.27	3.6%	--	1.00	105
$780.00	Jul 24	154.10	160.40	$157.25	4.0%	--	1.00	45
$795.00	Jul 24	139.10	145.40	$142.25	4.4%	--	1.00	18
$800.00	Jul 24	134.10	140.65	$137.38	4.8%	--	1.00	35

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$1000.00	Jul 24	60.80	67.20	$64.00	10.0%	5	0.98	14
$995.00	Jul 24	55.90	62.20	$59.05	10.7%	--	0.97	20
$990.00	Jul 24	51.30	57.15	$54.22	10.8%	33	0.96	35
$985.00	Jul 24	46.50	52.10	$49.30	11.4%	4	0.95	27
$1040.00	Aug 7	102.00	107.45	$104.73	5.2%	--	0.95	19

Most actively traded options today. High liquidity = easy entry/exit. 461 active (total vol 23.0K, top 2.8K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$980.00	Jul 24	0.65	0.81	$0.73	21.9%	2.8K	0.06	553
$975.00	Jul 24	0.90	1.01	$0.96	11.5%	776	0.08	183
$1000.00	Jul 24	0.13	0.30	$0.22	77.3%	721	0.02	495
$960.00	Aug 7	8.70	11.80	$10.25	30.2%	360	0.32	213
$960.00	Jul 24	2.04	2.63	$2.34	25.2%	334	0.17	281

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$750.00	Jul 31	0.01	0.18	$0.10	170.0%	636	0.00	589
$795.00	Jul 24	0.01	0.10	$0.06	150.0%	499	0.00	225
$930.00	Jul 31	11.00	14.25	$12.63	25.7%	450	0.43	139
$910.00	Jul 24	1.41	2.00	$1.71	34.5%	370	0.14	745
$770.00	Jul 24	0.00	0.23	$0.12	191.7%	353	0.01	278

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 119 strikes (avg 44.5%, max 128.7%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$780.00	Jul 24	Aug 21	64.8%	29.2%	121.9%	1	66
$1050.00	Jul 24	Aug 28	50.8%	25.0%	103.1%	31	303
$800.00	Jul 24	Aug 21	55.0%	27.2%	101.9%	1	117
$795.00	Jul 24	Aug 21	58.1%	28.8%	101.5%	--	37
$1080.00	Jul 24	Aug 21	53.9%	27.2%	98.0%	34	645

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$770.00	Jul 24	Aug 28	73.9%	32.3%	128.7%	353	410
$785.00	Jul 24	Aug 28	62.8%	28.2%	122.8%	76	370
$780.00	Jul 24	Aug 21	64.8%	29.2%	121.9%	166	727
$790.00	Jul 24	Aug 28	60.1%	27.6%	118.0%	211	472
$840.00	Jul 24	Aug 28	52.8%	24.4%	116.7%	57	134

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 333 found (best R:R 89.91, avg 9.56)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$1100.00	$1120.00	Aug 21	$0.24	$19.76	$0.24	82.33	$1100.24
$1085.00	$1100.00	Aug 21	$0.23	$14.77	$0.23	64.22	$1085.23
$1090.00	$1095.00	Jul 31	$0.12	$4.88	$0.12	40.67	$1090.12
$1005.00	$1010.00	Jul 31	$0.13	$4.87	$0.13	37.46	$1005.13
$990.00	$995.00	Jul 24	$0.14	$4.86	$0.14	34.71	$990.14

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	R:R	BE
$770.00	$760.00	Aug 14	$0.11	$9.89	$0.11	89.91	$769.89
$760.00	$750.00	Aug 7	$0.14	$9.86	$0.14	70.43	$759.86
$760.00	$750.00	Aug 28	$0.18	$9.82	$0.18	54.56	$759.82
$760.00	$750.00	Jul 31	$0.20	$9.80	$0.20	49.00	$759.80
$785.00	$780.00	Aug 7	$0.11	$4.89	$0.11	44.45	$784.89

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 436 found (best R:R 99.00, avg 3.22)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$760.00	$805.00	Aug 7	$44.55	$44.55	$0.45	99.00	$804.55
$765.00	$780.00	Aug 21	$14.85	$14.85	$0.15	99.00	$779.85
$820.00	$875.00	Jul 31	$54.30	$54.30	$0.70	77.57	$874.30
$805.00	$820.00	Aug 21	$14.73	$14.73	$0.27	54.56	$819.73
$795.00	$800.00	Jul 24	$4.87	$4.87	$0.13	37.46	$799.87

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	R:R	BE
$1060.00	$1050.00	Aug 21	$9.82	$9.82	$0.18	54.56	$1050.18
$995.00	$990.00	Jul 24	$4.83	$4.83	$0.17	28.41	$990.17
$1015.00	$1010.00	Aug 14	$4.82	$4.82	$0.18	26.78	$1010.18
$1020.00	$1010.00	Jul 31	$9.60	$9.60	$0.40	24.00	$1010.40
$1030.00	$1015.00	Aug 14	$14.40	$14.40	$0.60	24.00	$1015.60

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 114 found (avg debit $2.50, cheapest $0.05)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$780.00	Jul 24	Jul 31	$0.05	64.8%	44.6%
$1110.00	Jul 24	Jul 31	$0.10	59.8%	39.9%
$1080.00	Jul 24	Jul 31	$0.14	53.9%	36.0%
$1120.00	Jul 24	Jul 31	$0.16	66.2%	44.3%
$1045.00	Jul 24	Jul 31	$0.18	49.5%	31.8%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$750.00	Jul 24	Jul 31	$0.06	74.5%	48.8%
$825.00	Jul 24	Jul 31	$0.06	49.4%	31.5%
$780.00	Jul 24	Jul 31	$0.14	64.8%	44.6%
$1040.00	Aug 7	Aug 21	$0.15	28.5%	25.5%
$820.00	Jul 24	Jul 31	$0.17	48.5%	34.2%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 177 found (cheapest 2.04% of stock, avg 6.91%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$935.00	Jul 24	$9.95	$9.15	$19.10	$915.90	$954.10	2.04%
$930.00	Jul 24	$12.48	$6.83	$19.31	$910.69	$949.31	2.06%
$932.50	Jul 24	$11.75	$8.10	$19.85	$912.65	$952.35	2.12%
$940.00	Jul 24	$7.75	$12.13	$19.88	$920.12	$959.88	2.12%
$927.50	Jul 24	$14.63	$5.90	$20.53	$906.97	$948.03	2.19%
$942.50	Jul 24	$6.90	$13.60	$20.50	$922.00	$963.00	2.19%
$945.00	Jul 24	$5.95	$14.68	$20.63	$924.37	$965.63	2.20%
$925.00	Jul 24	$16.68	$5.05	$21.73	$903.27	$946.73	2.32%
$947.50	Jul 24	$5.07	$16.95	$22.02	$925.48	$969.52	2.35%
$922.50	Jul 24	$18.35	$4.10	$22.45	$900.05	$944.95	2.40%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 1.00% of stock, avg 3.35%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$950.00	$925.00	Jul 24	$4.30	$5.05	$9.35	$915.65	$959.35
$947.50	$925.00	Jul 24	$5.07	$5.05	$10.12	$914.88	$957.62
$950.00	$927.50	Jul 24	$4.30	$5.90	$10.20	$917.30	$960.20
$947.50	$927.50	Jul 24	$5.07	$5.90	$10.97	$916.53	$958.47
$945.00	$925.00	Jul 24	$5.95	$5.05	$11.00	$914.00	$956.00
$950.00	$930.00	Jul 24	$4.30	$6.83	$11.13	$918.87	$961.13
$945.00	$927.50	Jul 24	$5.95	$5.90	$11.85	$915.65	$956.85
$947.50	$930.00	Jul 24	$5.07	$6.83	$11.90	$918.10	$959.40
$942.50	$925.00	Jul 24	$6.90	$5.05	$11.95	$913.05	$954.45
$950.00	$932.50	Jul 24	$4.30	$8.10	$12.40	$920.10	$962.40

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 335 found (best R:R 135.36, avg credit $6.86)

Put Spread	Call Spread	Expiry	Credit	Max Loss	R:R	BE Low	BE High
765/770	805/820	Aug 21	$14.89	$0.11	135.36	$755.11	$819.89
790/795	805/820	Aug 21	$14.88	$0.12	124.00	$780.12	$819.88
750/760	820/875	Jul 31	$54.50	$0.50	109.00	$705.50	$874.50
810/815	820/875	Jul 31	$54.49	$0.51	106.84	$760.51	$874.49
750/755	805/820	Aug 21	$14.85	$0.15	99.00	$740.15	$819.85
780/785	805/820	Aug 21	$14.85	$0.15	99.00	$770.15	$819.85
795/800	820/875	Jul 31	$54.44	$0.56	97.21	$745.56	$874.44
770/775	820/830	Aug 21	$9.79	$0.21	46.62	$765.21	$829.79
830/835	850/855	Aug 7	$4.88	$0.12	40.67	$830.12	$854.88
765/770	820/830	Aug 21	$9.76	$0.24	40.67	$760.24	$829.76

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 244 found (best R:R 141.86, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$990.00	$995.00	$1000.00	Jul 24	$0.05	$4.95	99.00
$845.00	$850.00	$855.00	Aug 7	$0.05	$4.95	99.00
$1085.00	$1090.00	$1095.00	Aug 7	$0.06	$4.94	82.33
$990.00	$995.00	$1000.00	Jul 31	$0.07	$4.93	70.43
$1005.00	$1010.00	$1015.00	Jul 31	$0.07	$4.93	70.43

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	R:R
$750.00	$760.00	$770.00	Aug 14	$0.07	$9.93	141.86
$890.00	$895.00	$900.00	Jul 24	$0.05	$4.95	99.00
$870.00	$875.00	$880.00	Aug 21	$0.05	$4.95	99.00
$905.00	$910.00	$915.00	Aug 21	$0.05	$4.95	99.00
$795.00	$800.00	$805.00	Jul 24	$0.06	$4.94	82.33

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 314 found (best net $-8.58, 288 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$820.00	$875.00	1:2	Jul 31	-$8.58	$46.42
$1065.00	$1100.00	1:2	Aug 28	-$4.16	$30.84
$1100.00	$1120.00	1:2	Aug 21	-$0.42	$19.58
$1085.00	$1100.00	1:2	Aug 21	-$0.67	$14.33
$1100.00	$1115.00	1:2	Aug 28	-$2.11	$12.89

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$830.00	$800.00	1:2	Aug 28	-$0.50	$29.50
$1010.00	$975.00	1:2	Aug 14	-$17.68	$17.32
$785.00	$770.00	1:2	Aug 28	-$1.41	$13.59
$760.00	$750.00	1:2	Jul 24	-$0.01	$9.99
$770.00	$760.00	1:2	Jul 24	-$0.02	$9.98

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 126 found (best yield 2.79%, avg 0.70%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$940.00	Aug 28	$26.15	0.49	0.5%	2.79%	3.24%	6	9
$940.00	Aug 21	$24.50	0.49	0.5%	2.62%	3.07%	128	289
$945.00	Aug 28	$23.10	0.47	1.0%	2.47%	3.45%	6	61
$945.00	Aug 21	$21.30	0.46	1.0%	2.28%	3.26%	8	70
$950.00	Aug 28	$21.25	0.44	1.5%	2.27%	3.79%	2	32
$947.50	Aug 21	$20.45	0.44	1.2%	2.19%	3.44%	2	--
$940.00	Aug 14	$19.80	0.47	0.5%	2.12%	2.56%	--	36
$955.00	Aug 28	$19.55	0.42	2.0%	2.09%	4.14%	8	8
$950.00	Aug 21	$19.20	0.43	1.5%	2.05%	3.57%	61	886
$952.50	Aug 21	$18.10	0.41	1.8%	1.93%	3.72%	1	--

Current 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
Loading data...

Prior's 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
Loading data...

Current Put/Call Breakdown

Total Calls 17,229

Total Puts 23,623

Put/Call Ratio 1.37

Net Difference -6,394

Prior's Put/Call Breakdown

Total Calls 30,191

Total Puts 27,346

Put/Call Ratio 0.91

Net Difference 2,845

Prior 7-Day Put/Call Summary

Total Calls 206,747

Total Puts 198,873

Average Put/Call Ratio 0.99

Ratio Trend Rising

Daily Put/Call History (Last 7 Days)

Date	Calls	Puts	Ratio	Net Diff
Loading data...

Upcoming Earnings - 2 Weeks Prior

Loading earnings data...

Upcoming Earnings - 1 Week Prior

Loading earnings data...

Earnings This Week

Loading earnings data...

Earnings - Day Before / Day After

Loading earnings data...

Options Activity Around Earnings

Ticker	Earnings Date	Days Away	Call Volume	Put Volume	IV Rank
Loading data...

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

Add Card