Tour v452
COST
COSTCO WHSL CORP NEW
$966.58 +1.58%
$967.40 (+0.08%)🌙
as of 07/28 06:08 PM
(7/28 15:05) ◀
|
Tuesday, July 28, 2026 (6:08pm)
January 2026
|
▶ (7/29 15:05)
◀ 7/28 18:08 ▶

Option Volume

Detail
ℹ
Current (07/28) 64,096
Calls: 28,145 (44%)
Puts: 35,951 (56%)
Prior (07/27) 52,343
Calls: 21,293 (41%)
Puts: 31,050 (59%)
Current vs Prior +22.45%
Calls: +32.18% (Calls)
Puts: +15.78% (Puts)
Prior 7-Day Total 331,355
Calls: 146,698 (44%)
Puts: 184,657 (56%)
Prior 7-Day Average 47,336
Calls: 20,956 (44%)
Puts: 26,379 (56%)
Current vs Prior 7-Day Avg +35.41%
Calls: +34.30%
Puts: +36.28%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/28) $45.14M
Calls: $30.55M (68%)
Puts: $14.59M (32%)
Prior (07/27) $33.26M
Calls: $20.57M (62%)
Puts: $12.69M (38%)
Current vs Prior +35.72%
Calls: +48.47%
Puts: +15.04%
Prior 7-Day Total $255.58M
Calls: $188.70M (74%)
Puts: $66.88M (26%)
Prior 7-Day Average $36.51M
Calls: $26.96M (74%)
Puts: $9.55M (26%)
Current vs Prior 7-Day Avg +23.63%
Calls: +13.31%
Puts: +52.74%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/28) 1.28
Prior (07/27) 1.46
Current vs Prior -12.40%
Prior 7-Day Average 1.30
Current vs Prior 7-Day Avg -1.74%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/28) 314,649
Calls: 147,755 (47%)
Puts: 166,894 (53%)
Prior (07/27) 301,641
Calls: 145,021 (48%)
Puts: 156,620 (52%)
Current vs Prior +4.31%
Prior 7-Day Total 1,919,838
Calls: 909,388 (47%)
Puts: 1,010,450 (53%)
Prior 7-Day Average 274,262
Calls: 129,912 (47%)
Puts: 144,350 (53%)
Current vs Prior 7-Day Avg +14.73%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 2.10% | 3.38%4.76% | 7.12%
Prior 2.31% | 3.26%4.68% | 6.98%
Current vs Prior -9.30% | +3.85%+1.69% | +2.01%
Prior 7-Day Avg 2.03% | 3.28%4.53% | 7.13%
Current vs 7-Day Avg +3.42% | +3.04%+5.13% | -0.14%
Prior 7-Day Eod 2.31% | 3.26%4.68% | 6.98%
Current vs 7-Day Eod -9.30% | +3.85%+1.69% | +2.01%
Sentiment BULLISHBEARISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 21.29% | 12.80%
Calls: 19.06% | 12.36%
Puts: 23.51% | 13.25%
Prior 15.66% | 20.37%
Calls: 10.76% | 18.29%
Puts: 20.56% | 22.44%
Current vs Prior +35.95% | -37.16%
Prior 7-Day Avg 22.39% | 13.14%
Calls: 20.65% | 13.34%
Puts: 24.13% | 12.94%
Current vs 7-Day Avg -4.92% | -2.60%
Liquidity Expensive
+
Add Card

🤖 AI Insights

Moderately bullish flow with 68% call dollar volume ($30.55M). Bearish P/C ratio of 1.28 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 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 50 of results (avg 7.1%, best 4.1%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$805.00Aug 7160.00166.65$163.324.1%--1.0060
$800.00Aug 7165.00171.90$168.454.1%11.001
$805.00Sep 4163.15170.35$166.754.3%20.98--
$800.00Aug 21166.00173.70$169.854.5%--0.99132
$780.00Aug 21185.20194.00$189.604.6%--0.9920
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$950.00Aug 2113.4514.45$13.957.2%1090.36399
$1085.00Aug 21114.35123.00$118.687.3%40.94--
$1040.00Aug 2171.2576.80$74.037.5%--0.87143
$1100.00Aug 21128.00138.00$133.007.5%41.00--
$1060.00Aug 2189.9097.00$93.457.6%--0.9121

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. 187 found (avg delta 0.78, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$800.00Aug 7165.00171.90$168.454.1%11.001
$805.00Aug 7160.00166.65$163.324.1%--1.0060
$840.00Aug 7125.00131.95$128.485.4%--1.0016
$850.00Aug 7115.00122.00$118.505.9%31.0026
$870.00Jul 3194.00101.00$97.507.2%11.009
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1100.00Aug 21128.00138.00$133.007.5%41.00--
$1005.00Jul 3134.6541.70$38.1718.5%20.965
$1085.00Aug 21114.35123.00$118.687.3%40.94--
$1000.00Jul 3130.3536.65$33.5018.8%30.93--
$1060.00Aug 2189.9097.00$93.457.6%--0.9121

Most actively traded options today. High liquidity = easy entry/exit. 552 active (total vol 42.8K, top 2.9K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$1010.00Jul 310.550.69$0.6222.6%2.9K0.06299
$1000.00Jul 311.011.20$1.1117.1%1.1K0.10520
$1000.00Aug 73.905.30$4.6030.4%6760.21669
$1145.00Jul 310.000.43$0.22195.5%5930.01373
$1140.00Aug 210.050.45$0.25160.0%5540.01868
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$955.00Jul 313.404.65$4.0331.0%1.2K0.2881
$810.00Aug 280.131.12$0.63157.1%8150.024
$810.00Sep 40.231.22$0.73135.6%8150.02--
$925.00Aug 71.603.30$2.4569.4%7240.13266
$780.00Sep 40.060.65$0.36163.9%5840.01333

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 129 strikes (avg 74.4%, max 394.5%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$820.00Jul 31Aug 21118.5%31.3%278.2%616
$1140.00Jul 31Sep 475.7%27.4%175.8%288694
$1130.00Jul 31Sep 472.1%26.4%173.2%23233
$1125.00Jul 31Sep 470.3%26.1%169.5%20300
$1150.00Jul 31Sep 474.1%27.5%169.2%2555
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$780.00Jul 31Sep 4146.8%29.7%394.5%627680
$790.00Jul 31Sep 4139.7%29.9%368.1%176208
$800.00Jul 31Sep 4132.6%28.5%364.7%481859
$805.00Jul 31Sep 4129.1%28.0%360.9%253260
$795.00Jul 31Sep 4136.2%30.1%352.8%273135

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 337 found (best R:R 180.82, avg 9.57)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$1120.00$1140.00Aug 21$0.11$19.89$0.11180.82$1120.11
$1085.00$1100.00Aug 21$0.26$14.74$0.2656.69$1085.26
$1055.00$1060.00Jul 31$0.10$4.90$0.1049.00$1055.10
$1130.00$1135.00Aug 28$0.10$4.90$0.1049.00$1130.10
$1005.00$1010.00Jul 31$0.11$4.89$0.1144.45$1005.11
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$855.00$810.00Sep 4$0.86$44.14$0.8651.33$854.14
$845.00$840.00Jul 31$0.10$4.90$0.1049.00$844.90
$785.00$780.00Aug 7$0.10$4.90$0.1049.00$784.90
$860.00$855.00Aug 7$0.10$4.90$0.1049.00$859.90
$855.00$850.00Aug 28$0.10$4.90$0.1049.00$854.90

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 434 found (best R:R 217.75, avg 3.27)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$805.00$840.00Aug 7$34.84$34.84$0.16217.75$839.84
$850.00$895.00Aug 7$44.55$44.55$0.4599.00$894.55
$820.00$830.00Aug 21$9.80$9.80$0.2049.00$829.80
$850.00$860.00Aug 21$9.77$9.77$0.2342.48$859.77
$865.00$875.00Aug 14$9.75$9.75$0.2539.00$874.75
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$1060.00$1050.00Aug 21$9.77$9.77$0.2342.48$1050.23
$1050.00$1040.00Aug 21$9.65$9.65$0.3527.57$1040.35
$1100.00$1085.00Aug 21$14.32$14.32$0.6821.06$1085.68
$1015.00$1010.00Aug 14$4.72$4.72$0.2816.86$1010.28
$1000.00$995.00Aug 7$4.70$4.70$0.3015.67$995.30

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 118 found (avg debit $2.80, cheapest $0.07)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$1140.00Jul 31Aug 7$0.0775.7%43.1%
$1145.00Jul 31Aug 7$0.1979.1%46.9%
$1100.00Jul 31Aug 7$0.2245.8%34.4%
$1135.00Jul 31Aug 7$0.2467.4%43.4%
$1150.00Jul 31Aug 7$0.3074.1%47.8%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$815.00Jul 31Aug 7$0.0764.2%39.7%
$835.00Jul 31Aug 7$0.0757.0%35.2%
$870.00Jul 31Aug 7$0.1645.3%28.8%
$855.00Jul 31Aug 7$0.2254.6%34.7%
$850.00Jul 31Aug 7$0.2554.7%36.2%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 179 found (cheapest 1.82% of stock, avg 6.53%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$965.00Jul 31$10.23$7.33$17.56$947.44$982.561.82%
$970.00Jul 31$7.68$10.02$17.70$952.30$987.701.83%
$960.00Jul 31$12.93$5.35$18.28$941.72$978.281.89%
$975.00Jul 31$5.73$13.55$19.28$955.72$994.281.99%
$980.00Jul 31$3.98$16.20$20.18$959.82$1000.182.09%
$955.00Jul 31$16.38$4.03$20.41$934.59$975.412.11%
$950.00Jul 31$20.30$2.62$22.92$927.08$972.922.37%
$985.00Jul 31$3.03$20.65$23.68$961.32$1008.682.45%
$945.00Jul 31$24.40$1.88$26.28$918.72$971.282.72%
$990.00Jul 31$2.03$24.78$26.81$963.19$1016.812.77%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 0.40% of stock, avg 2.98%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$990.00$945.00Jul 31$2.03$1.88$3.91$941.09$993.91
$990.00$950.00Jul 31$2.03$2.62$4.65$945.35$994.65
$985.00$945.00Jul 31$3.03$1.88$4.91$940.09$989.91
$985.00$950.00Jul 31$3.03$2.62$5.65$944.35$990.65
$980.00$945.00Jul 31$3.98$1.88$5.86$939.14$985.86
$990.00$955.00Jul 31$2.03$4.03$6.06$948.94$996.06
$980.00$950.00Jul 31$3.98$2.62$6.60$943.40$986.60
$985.00$955.00Jul 31$3.03$4.03$7.06$947.94$992.06
$990.00$960.00Jul 31$2.03$5.35$7.38$952.62$997.38
$975.00$945.00Jul 31$5.73$1.88$7.61$937.39$982.61

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 285 found (best R:R 159.71, avg credit $7.44)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
795/800850/895Aug 7$44.72$0.28159.71$755.28$894.72
780/785850/895Aug 7$44.65$0.35127.57$740.35$894.65
795/800850/860Aug 21$9.90$0.1099.00$790.10$859.90
805/810865/875Aug 14$9.89$0.1189.91$800.11$874.89
805/810850/860Aug 21$9.89$0.1189.91$800.11$859.89
830/835900/910Aug 28$9.88$0.1282.33$825.12$909.88
825/830865/880Aug 28$14.80$0.2074.00$815.20$879.80
790/795840/850Aug 28$9.86$0.1470.43$785.14$849.86
785/790840/850Aug 28$9.84$0.1661.50$780.16$849.84
805/810840/850Aug 28$9.84$0.1661.50$800.16$849.84

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 269 found (best R:R 99.00, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$1000.00$1005.00$1010.00Aug 14$0.05$4.9599.00
$1040.00$1045.00$1050.00Jul 31$0.06$4.9482.33
$970.00$975.00$980.00Aug 14$0.06$4.9482.33
$1045.00$1050.00$1055.00Aug 21$0.06$4.9482.33
$1035.00$1040.00$1045.00Jul 31$0.07$4.9370.43
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$925.00$930.00$935.00Sep 4$0.05$4.9599.00
$895.00$900.00$905.00Jul 31$0.06$4.9482.33
$985.00$990.00$995.00Aug 14$0.06$4.9482.33
$1040.00$1050.00$1060.00Aug 21$0.12$9.8882.33
$885.00$890.00$895.00Jul 31$0.07$4.9370.43

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 318 found (best net $-0.20, 286 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$1070.00$1100.001:2Sep 4-$0.20$29.80
$1120.00$1140.001:2Aug 21-$0.14$19.86
$1080.00$1100.001:2Aug 28-$0.59$19.41
$850.00$895.001:2Aug 7-$29.40$15.60
$1100.00$1115.001:2Sep 4-$0.34$14.66
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$865.00$855.001:2Sep 4-$1.01$8.99
$970.00$950.001:2Sep 4-$11.12$8.88
$950.00$935.001:2Sep 4-$7.70$7.30
$895.00$890.001:2Jul 31$0.00$5.00
$875.00$870.001:2Jul 31-$0.02$4.98

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 110 found (best yield 2.65%, avg 0.74%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$970.00Sep 4$25.600.490.3%2.65%3.00%37
$970.00Aug 28$22.750.500.3%2.35%2.71%854
$975.00Sep 4$22.700.470.9%2.35%3.22%34
$967.50Aug 21$22.000.510.1%2.28%2.37%1016
$980.00Sep 4$20.500.451.4%2.12%3.51%48
$975.00Aug 28$20.200.470.9%2.09%2.96%1818
$970.00Aug 21$20.100.490.3%2.08%2.43%1261.4K
$985.00Sep 4$19.600.421.9%2.03%3.93%51
$980.00Aug 28$19.150.441.4%1.98%3.37%1911
$975.00Aug 21$18.400.460.9%1.90%2.77%39231

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 28,145
Total Puts 35,951
Put/Call Ratio 1.28
Net Difference -7,806

Prior's Put/Call Breakdown

Total Calls 21,293
Total Puts 31,050
Put/Call Ratio 1.46
Net Difference -9,757

Prior 7-Day Put/Call Summary

Total Calls 146,698
Total Puts 184,657
Average Put/Call Ratio 1.30
Ratio Trend Falling

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