Tour v381
COST
COSTCO WHSL CORP NEW
$929.22 -0.70%
$929.55 (+0.04%)🌙
as of 07/21 06:03 PM
(7/21 15:05) ◀
|
Tuesday, July 21, 2026 (6:03pm)
January 2026
|
▶ (7/22 15:05)
◀ 7/21 18:03 ▶

Option Volume

Detail
ℹ
Current (07/21) 48,331
Calls: 16,576 (34%)
Puts: 31,755 (66%)
Prior (07/20) 40,852
Calls: 17,229 (42%)
Puts: 23,623 (58%)
Current vs Prior +18.31%
Calls: -3.79% (Calls)
Puts: +34.42% (Puts)
Prior 7-Day Total 353,590
Calls: 174,464 (49%)
Puts: 179,126 (51%)
Prior 7-Day Average 50,512
Calls: 24,923 (49%)
Puts: 25,589 (51%)
Current vs Prior 7-Day Avg -4.32%
Calls: -33.49%
Puts: +24.09%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/21) $39.22M
Calls: $30.33M (77%)
Puts: $8.88M (23%)
Prior (07/20) $17.87M
Calls: $8.36M (47%)
Puts: $9.52M (53%)
Current vs Prior +119.42%
Calls: +262.97%
Puts: -6.65%
Prior 7-Day Total $245.36M
Calls: $135.38M (55%)
Puts: $109.97M (45%)
Prior 7-Day Average $35.05M
Calls: $19.34M (55%)
Puts: $15.71M (45%)
Current vs Prior 7-Day Avg +11.88%
Calls: +56.84%
Puts: -43.46%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/21) 1.92
Prior (07/20) 1.37
Current vs Prior +39.72%
Prior 7-Day Average 1.06
Current vs Prior 7-Day Avg +80.83%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/21) 300,180
Calls: 145,710 (49%)
Puts: 154,470 (51%)
Prior (07/20) 284,983
Calls: 139,646 (49%)
Puts: 145,337 (51%)
Current vs Prior +5.33%
Prior 7-Day Total 2,205,834
Calls: 1,100,512 (50%)
Puts: 1,105,322 (50%)
Prior 7-Day Average 315,119
Calls: 157,216 (50%)
Puts: 157,903 (50%)
Current vs Prior 7-Day Avg -4.74%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (07/24) | Next (07/31)Expiry (08/21) | Next (09/18)
Current 1.82% | 3.16%5.34% | 7.35%
Prior 2.36% | 3.54%5.74% | 7.71%
Current vs Prior -22.96% | -10.64%-7.01% | -4.60%
Prior 7-Day Avg 2.14% | 3.30%2.34% | 6.30%
Current vs 7-Day Avg -15.04% | -4.17%+128.00% | +16.66%
Prior 7-Day Eod 2.36% | 3.54%5.74% | 7.71%
Current vs 7-Day Eod -22.96% | -10.64%-7.01% | -4.60%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 7.62% | 9.16%
Calls: 7.45% | 9.39%
Puts: 7.79% | 8.92%
Prior 12.13% | 18.16%
Calls: 8.15% | 16.42%
Puts: 16.11% | 19.90%
Current vs Prior -37.18% | -49.56%
Prior 7-Day Avg 29.35% | 14.66%
Calls: 31.58% | 17.13%
Puts: 27.13% | 12.19%
Current vs 7-Day Avg -74.04% | -37.52%
Liquidity Expensive
+
Add Card

🤖 AI Insights

Strong bullish conviction with 77% of dollar volume in calls ($30.33M) vs puts ($8.88M). Massive premium surge with dollar volume up 119% vs prior. Extreme bearish P/C ratio of 1.92 - heavy put buying. P/C ratio rising 40% - increased hedging/bearish positioning.

Smart Money BULLISH
Retail Flow BEARISH
Overall BEARISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BEARISH
7-Day Avg BULLISH
Current BEARISH
Prior BEARISH
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

📈 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

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 76 of results (avg 7.0%, best 3.5%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$745.00Jul 24180.95187.35$184.153.5%--1.0018
$745.00Jul 31180.95187.35$184.153.5%--1.0018
$750.00Jul 24175.95182.35$179.153.6%--1.0042
$760.00Jul 24165.95172.35$169.153.8%--0.94105
$760.00Aug 7166.20172.65$169.433.8%--1.0069
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1060.00Aug 21128.90135.35$132.134.9%--0.9532
$1050.00Aug 21119.05125.50$122.285.3%--0.9523
$1040.00Aug 7108.90115.35$112.135.8%--0.9019
$1040.00Aug 21108.85116.05$112.456.4%--0.93143
$985.00Aug 2159.5063.55$61.536.6%--0.80161

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. 178 found (avg delta 0.78, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$745.00Jul 24180.95187.35$184.153.5%--1.0018
$750.00Jul 24175.95182.35$179.153.6%--1.0042
$795.00Jul 24130.95137.40$134.184.8%--1.0018
$800.00Jul 24125.95132.40$129.185.0%--1.0035
$810.00Jul 24115.95122.40$119.185.4%--1.0033
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1000.00Jul 2468.7075.15$71.939.0%--0.9910
$1005.00Jul 2475.1080.75$77.937.3%30.998
$1010.00Jul 2478.7085.15$81.937.9%10.995
$985.00Jul 2453.8060.25$57.0311.3%--0.9827
$990.00Jul 2458.7565.20$61.9810.4%20.9817

Most actively traded options today. High liquidity = easy entry/exit. 475 active (total vol 23.8K, top 938)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1015.00Aug 70.831.85$1.3476.1%5190.0634
$1095.00Jul 310.010.32$0.17182.4%5020.0124
$980.00Jul 240.200.27$0.2429.2%4870.031.4K
$1100.00Jul 240.000.03$0.02150.0%4040.00580
$990.00Jul 311.001.39$1.1932.8%3600.07251
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$805.00Jul 240.010.06$0.03166.7%9380.00312
$825.00Jul 240.014.80$2.40199.6%6360.0771
$770.00Jul 240.000.43$0.22195.5%6300.01438
$750.00Aug 70.000.42$0.21200.0%5400.01230
$760.00Jul 240.004.80$2.40200.0%5210.05315

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 117 strikes (avg 69.1%, max 296.0%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$780.00Jul 24Aug 21113.1%28.6%296.0%--66
$760.00Jul 24Aug 7139.3%36.7%279.2%--174
$1095.00Jul 24Aug 1485.0%30.0%183.0%44375
$1075.00Jul 24Aug 2165.7%27.1%142.3%11328
$1070.00Jul 24Aug 2163.3%26.4%139.6%10183
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$760.00Jul 24Aug 28139.3%35.7%290.1%521372
$780.00Jul 24Aug 28113.1%31.2%262.2%269383
$825.00Jul 24Aug 2891.6%25.4%261.1%65672
$770.00Jul 24Aug 2889.1%29.4%202.6%655570
$785.00Jul 24Aug 2878.5%30.0%162.1%277407

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 314 found (best R:R 82.33, avg 9.52)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$1085.00$1100.00Aug 21$0.18$14.82$0.1882.33$1085.18
$1065.00$1100.00Aug 28$0.67$34.33$0.6751.24$1065.67
$1070.00$1075.00Jul 31$0.10$4.90$0.1049.00$1070.10
$1100.00$1105.00Aug 7$0.10$4.90$0.1049.00$1100.10
$1015.00$1020.00Aug 14$0.10$4.90$0.1049.00$1015.10
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$780.00$770.00Aug 14$0.12$9.88$0.1282.33$779.88
$875.00$870.00Jul 24$0.10$4.90$0.1049.00$874.90
$875.00$870.00Aug 14$0.11$4.89$0.1144.45$874.89
$830.00$825.00Aug 28$0.12$4.88$0.1240.67$829.88
$870.00$865.00Jul 31$0.13$4.87$0.1337.46$869.87

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 410 found (best R:R 224.00, avg 3.70)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$760.00$805.00Aug 7$44.80$44.80$0.20224.00$804.80
$765.00$780.00Aug 21$14.85$14.85$0.1599.00$779.85
$860.00$865.00Aug 21$4.88$4.88$0.1240.67$864.88
$875.00$880.00Aug 21$4.88$4.88$0.1240.67$879.88
$840.00$875.00Jul 31$34.13$34.13$0.8739.23$874.13
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$1020.00$1010.00Jul 31$9.87$9.87$0.1375.92$1010.13
$1060.00$1050.00Aug 21$9.85$9.85$0.1565.67$1050.15
$1050.00$1040.00Aug 21$9.83$9.83$0.1757.82$1040.17
$1020.00$1010.00Aug 21$9.75$9.75$0.2539.00$1010.25
$1030.00$1015.00Aug 14$14.55$14.55$0.4532.33$1015.45

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 101 found (avg debit $2.59, cheapest $0.06)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1065.00Jul 24Jul 31$0.0761.1%35.6%
$1070.00Jul 24Jul 31$0.0963.3%37.1%
$820.00Jul 24Jul 31$0.1055.0%33.2%
$1105.00Jul 24Jul 31$0.1069.8%42.7%
$1110.00Jul 24Jul 31$0.1071.4%43.5%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$790.00Jul 24Jul 31$0.0664.0%37.9%
$810.00Jul 24Jul 31$0.0656.3%33.3%
$745.00Jul 24Jul 31$0.1279.0%52.7%
$795.00Jul 24Jul 31$0.1260.8%39.0%
$820.00Jul 24Jul 31$0.1255.0%33.2%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 177 found (cheapest 1.69% of stock, avg 6.90%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$930.00Jul 24$7.18$8.57$15.75$914.25$945.751.69%
$925.00Jul 24$9.63$6.28$15.91$909.09$940.911.71%
$927.50Jul 24$8.32$7.58$15.90$911.60$943.401.71%
$932.50Jul 24$5.95$10.25$16.20$916.30$948.701.74%
$922.50Jul 24$11.00$5.30$16.30$906.20$938.801.75%
$935.00Jul 24$5.20$11.98$17.18$917.82$952.181.85%
$920.00Jul 24$12.88$4.45$17.33$902.67$937.331.87%
$915.00Jul 24$16.45$3.00$19.45$895.55$934.452.09%
$940.00Jul 24$3.72$15.78$19.50$920.50$959.502.10%
$942.50Jul 24$3.03$17.30$20.33$922.17$962.832.19%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 0.65% of stock, avg 3.17%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$942.50$915.00Jul 24$3.03$3.00$6.03$908.97$948.53
$940.00$915.00Jul 24$3.72$3.00$6.72$908.28$946.72
$942.50$920.00Jul 24$3.03$4.45$7.48$912.52$949.98
$935.00$915.00Jul 24$5.20$3.00$8.20$906.80$943.20
$940.00$920.00Jul 24$3.72$4.45$8.17$911.83$948.17
$942.50$922.50Jul 24$3.03$5.30$8.33$914.17$950.83
$932.50$915.00Jul 24$5.95$3.00$8.95$906.05$941.45
$940.00$922.50Jul 24$3.72$5.30$9.02$913.48$949.02
$942.50$925.00Jul 24$3.03$6.28$9.31$915.69$951.81
$935.00$920.00Jul 24$5.20$4.45$9.65$910.35$944.65

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 322 found (best R:R 114.38, avg credit $5.83)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
745/750805/820Aug 21$14.87$0.13114.38$735.13$819.87
745/750820/830Aug 21$9.87$0.1375.92$740.13$829.87
805/810840/850Aug 21$9.87$0.1375.92$800.13$849.87
795/800840/875Jul 31$34.48$0.5266.31$765.52$874.48
815/820840/850Aug 21$9.85$0.1565.67$810.15$849.85
805/810820/830Aug 21$9.80$0.2049.00$800.20$829.80
780/785805/835Aug 7$29.38$0.6247.39$755.62$834.38
795/800810/820Jul 31$9.77$0.2342.48$790.23$819.77
890/895905/910Jul 31$4.87$0.1337.46$890.13$909.87
805/810840/850Aug 7$9.69$0.3131.26$800.31$849.69

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 255 found (best R:R 199.00, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$1035.00$1040.00$1045.00Jul 24$0.05$4.9599.00
$945.00$950.00$955.00Jul 31$0.05$4.9599.00
$1000.00$1005.00$1010.00Jul 24$0.06$4.9482.33
$1080.00$1085.00$1090.00Jul 24$0.07$4.9370.43
$1015.00$1020.00$1025.00Aug 7$0.07$4.9370.43
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$760.00$770.00$780.00Aug 7$0.05$9.95199.00
$750.00$760.00$770.00Aug 14$0.05$9.95199.00
$750.00$760.00$770.00Aug 7$0.06$9.94165.67
$915.00$920.00$925.00Aug 14$0.05$4.9599.00
$760.00$770.00$780.00Jul 31$0.12$9.8882.33

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 329 found (best net $-4.38, 300 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$865.00$905.001:2Aug 14-$4.38$35.62
$1065.00$1100.001:2Aug 28-$0.72$34.28
$820.00$865.001:2Jul 24-$19.23$25.77
$875.00$900.001:2Jul 31-$8.31$16.69
$1085.00$1100.001:2Aug 21-$0.63$14.37
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$820.00$800.001:2Aug 28-$0.15$19.85
$1010.00$975.001:2Aug 14-$20.50$14.50
$780.00$770.001:2Aug 28-$0.02$9.98
$780.00$770.001:2Aug 7-$0.08$9.92
$780.00$770.001:2Aug 14-$0.08$9.92

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 126 found (best yield 2.85%, avg 0.69%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$930.00Aug 28$26.500.500.1%2.85%2.94%118
$935.00Aug 28$23.850.480.6%2.57%3.19%68
$930.00Aug 21$23.000.500.1%2.48%2.56%33148
$940.00Aug 28$22.000.451.2%2.37%3.53%1013
$935.00Aug 21$21.200.470.6%2.28%2.90%24100
$930.00Aug 14$20.700.490.1%2.23%2.31%2155
$940.00Aug 21$19.650.441.2%2.11%3.27%76335
$945.00Aug 28$18.700.421.7%2.01%3.71%164
$935.00Aug 14$18.500.460.6%1.99%2.61%7112
$930.00Aug 7$17.350.490.1%1.87%1.95%1268

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 16,576
Total Puts 31,755
Put/Call Ratio 1.92
Net Difference -15,179

Prior's Put/Call Breakdown

Total Calls 17,229
Total Puts 23,623
Put/Call Ratio 1.37
Net Difference -6,394

Prior 7-Day Put/Call Summary

Total Calls 174,464
Total Puts 179,126
Average Put/Call Ratio 1.06
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...

Chart Title

Price — Past 7 Days

Add Card

CI/CD Results
App Log
Loading...
Requests
New Request
View All