Tour v490
MRK
MERCK & CO. INC.
$129.12 +1.06%
(8/4 11:00) ◀
|
Tuesday, August 4, 2026 (12:00pm)
January 2026
|
▶ (8/4 13:00)
◀ 8/4 12:00 ▶

Option Volume

Detail
ℹ
Current (08/04 12:00pm) 16,195
Calls: 11,418 (71%)
Puts: 4,777 (29%)
Prior --
Calls: 19,114 (51%)
Puts: 18,028 (49%)
Current vs Prior +0.00%
Calls: -40.26% (Calls)
Puts: -73.50% (Puts)
Prior 7-Day Total 140,501
Calls: 90,063 (64%)
Puts: 50,438 (36%)
Prior 7-Day Average 20,071
Calls: 12,866 (64%)
Puts: 7,205 (36%)
Current vs Prior 7-Day Avg -19.31%
Calls: -11.26%
Puts: -33.70%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/04 12:00pm) $4.18M
Calls: $2.76M (66%)
Puts: $1.42M (34%)
Prior --
Calls: $4.76M (59%)
Puts: $3.33M (41%)
Current vs Prior +0.00%
Calls: -41.90%
Puts: -57.41%
Prior 7-Day Total $31.54M
Calls: $19.14M (61%)
Puts: $12.40M (39%)
Prior 7-Day Average $4.51M
Calls: $2.73M (61%)
Puts: $1.77M (39%)
Current vs Prior 7-Day Avg -7.19%
Calls: +1.12%
Puts: -20.01%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/04 12:00pm) 0.42
Prior 1.00
Current vs Prior -58.16%
Prior 7-Day Average 0.49
Current vs Prior 7-Day Avg -14.39%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/04 12:00pm) 441,220
Calls: 241,760 (55%)
Puts: 199,460 (45%)
Prior --
Calls: -- (--)
Puts: -- (--)
Current vs Prior +0.00%
Prior 7-Day Total 3,152,923
Calls: 1,718,132 (54%)
Puts: 1,434,791 (46%)
Prior 7-Day Average 450,417
Calls: 245,447 (54%)
Puts: 204,970 (46%)
Current vs Prior 7-Day Avg -2.04%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/07) | Next (08/14)Expiry (08/21) | Next (09/18)
Current 3.38% | 5.16%6.07% | 10.75%
Prior 5.26% | 6.26%7.05% | 11.36%
Current vs Prior -35.71% | -17.61%-13.82% | -5.38%
Prior 7-Day Avg 3.92% | 5.53%7.05% | 11.36%
Current vs 7-Day Avg -13.70% | -6.79%-13.82% | -5.38%
Prior 7-Day Eod 5.26% | 6.26%6.99% | 11.65%
Current vs 7-Day Eod -35.71% | -17.61%-13.12% | -7.70%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 28.58% | 14.36%
Calls: 20.83% | 9.00%
Puts: 36.33% | 19.72%
Prior 11.96% | 10.64%
Calls: 10.20% | 11.03%
Puts: 13.72% | 10.26%
Current vs Prior +138.96% | +34.96%
Prior 7-Day Avg 36.24% | 11.18%
Calls: 30.14% | 11.23%
Puts: 42.34% | 11.14%
Current vs 7-Day Avg -21.14% | +28.44%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bullish flow with 66% call dollar volume ($2.76M). Extreme bullish P/C ratio of 0.42 - heavy call buying (11,418 calls vs 4,777 puts). P/C ratio dropping 58% - sentiment shifting bullish.

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 NEUTRAL
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
Sentiment Timeline (Today)
TimeSmart MoneyRetailOverall
12:00BULLISHBULLISHBULLISH
11:00BULLISHBULLISHBULLISH
10:35BULLISHBULLISHBULLISH
10:30BULLISHBULLISHBULLISH
10:25BULLISHBULLISHBULLISH
10:20BULLISHBULLISHBULLISH
10:15BULLISHBULLISHBULLISH
10:10BULLISHBULLISHBULLISH
10:05BULLISHBULLISHBULLISH
10:00BULLISHBULLISHBULLISH
09:55BULLISHBULLISHBULLISH
09:50BULLISHBULLISHBULLISH
09:45BULLISHBULLISHBULLISH
09:40BULLISHBULLISHBULLISH
09:35BULLISHBULLISHBULLISH

📈 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 13 of results (avg 7.3%, best 3.8%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$125.00Sep 187.758.05$7.903.8%370.633.0K
$128.00Aug 143.553.75$3.655.5%320.5763
$127.00Aug 144.154.45$4.307.0%460.61645
$135.00Sep 182.933.15$3.047.2%2.2K0.344.7K
$110.00Sep 1818.7520.25$19.507.7%20.932.6K
PUTS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$130.00Sep 185.806.15$5.985.9%340.51829
$125.00Sep 183.503.75$3.636.9%590.371.7K
$120.00Sep 181.972.15$2.068.7%830.243.7K

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 2 found (avg $0.53, cheapest $0.27)

CALLS (0)
No calls meet the criteria
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$105.00Sep 180.250.28$0.2711.1%1810.043.8K
$120.00Aug 210.720.85$0.7816.7%360.163.5K

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 89 found (avg delta 0.74, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$114.00Aug 713.0515.80$14.4319.1%--1.0012
$118.00Aug 79.1011.60$10.3524.2%11.002
$105.00Aug 2122.2524.85$23.5511.0%--1.0013
$110.00Aug 2117.3019.70$18.5013.0%--1.00704
$105.00Sep 1822.6525.45$24.0511.6%--1.001.1K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$139.00Aug 79.5512.00$10.7822.7%--0.9613
$145.00Aug 2115.6518.05$16.8514.2%--0.9516
$150.00Sep 1820.9523.55$22.2511.7%--0.9310
$142.00Aug 2112.6515.20$13.9318.3%--0.9210
$135.00Aug 75.708.20$6.9536.0%--0.9010

Most actively traded options today. High liquidity = easy entry/exit. 170 active (total vol 12.8K, top 2.2K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$135.00Sep 182.933.15$3.047.2%2.2K0.344.7K
$135.00Aug 211.391.56$1.4811.5%1.5K0.264.8K
$145.00Sep 180.641.07$0.8650.0%1.4K0.131.4K
$132.00Aug 70.510.84$0.6848.5%1.3K0.26706
$130.00Aug 71.041.55$1.3039.2%5590.42225
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$124.00Aug 70.230.64$0.4493.2%7450.161.1K
$121.00Aug 210.811.05$0.9325.8%2970.19125
$123.00Aug 211.172.10$1.6456.7%2270.27133
$105.00Sep 180.250.28$0.2711.1%1810.043.8K
$128.00Aug 71.151.61$1.3833.3%1560.40372

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 56 strikes (avg 47.3%, max 180.9%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$142.00Aug 7Aug 2884.1%29.9%180.9%--56
$110.00Aug 14Sep 1875.6%33.8%123.5%32.6K
$150.00Aug 7Sep 1860.9%28.6%113.2%273.2K
$145.00Aug 7Sep 1856.5%29.4%92.5%1.5K2.0K
$122.00Aug 7Sep 1148.6%28.5%70.2%2045
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$113.00Aug 7Aug 2893.1%33.8%175.1%1725
$105.00Aug 7Sep 1882.5%34.2%141.0%1833.9K
$110.00Aug 7Sep 1865.5%33.8%93.7%165.9K
$117.00Aug 7Aug 2852.5%28.4%85.0%7118
$122.00Aug 7Sep 1148.6%28.5%70.2%98344

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 128 found (best R:R 44.45, avg 3.76)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$145.00$150.00Aug 21$0.11$4.89$0.1144.45$145.11
$145.00$150.00Aug 28$0.26$4.74$0.2618.23$145.26
$145.00$150.00Sep 18$0.48$4.52$0.489.42$145.48
$140.00$141.00Aug 21$0.10$0.90$0.109.00$140.10
$141.00$144.00Sep 4$0.30$2.70$0.309.00$141.30
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$115.00$110.00Aug 21$0.27$4.73$0.2717.52$114.73
$117.00$115.00Aug 21$0.11$1.89$0.1117.18$116.89
$110.00$105.00Aug 28$0.36$4.64$0.3612.89$109.64
$110.00$105.00Sep 18$0.36$4.64$0.3612.89$109.64
$115.00$110.00Sep 18$0.47$4.53$0.479.64$114.53

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 160 found (best R:R 37.46, avg 1.99)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$110.00$115.00Sep 18$4.87$4.87$0.1337.46$114.87
$110.00$115.00Aug 21$4.82$4.82$0.1826.78$114.82
$115.00$120.00Aug 14$4.66$4.66$0.3413.71$119.66
$105.00$110.00Sep 18$4.55$4.55$0.4510.11$109.55
$122.00$123.00Aug 7$0.90$0.90$0.109.00$122.90
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$139.00$135.00Aug 7$3.83$3.83$0.1722.53$135.17
$150.00$145.00Sep 18$4.57$4.57$0.4310.63$145.43
$140.00$137.00Aug 21$2.68$2.68$0.328.37$137.32
$142.00$140.00Aug 21$1.75$1.75$0.257.00$140.25
$137.00$136.00Aug 21$0.87$0.87$0.136.69$136.13

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 54 found (avg debit $0.72, cheapest $0.06)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$150.00Aug 7Aug 21$0.0660.9%34.7%
$145.00Aug 7Aug 21$0.1456.5%33.1%
$114.00Aug 7Aug 14$0.1559.7%71.2%
$143.00Aug 7Aug 21$0.2043.4%31.3%
$115.00Aug 14Aug 21$0.2051.4%36.2%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$110.00Aug 7Aug 21$0.0865.5%35.9%
$132.00Aug 7Aug 14$0.1836.3%34.7%
$118.00Aug 7Aug 14$0.2644.9%38.6%
$119.00Aug 7Aug 14$0.3147.9%38.6%
$120.00Aug 7Aug 14$0.3647.5%38.0%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 81 found (cheapest 2.82% of stock, avg 7.58%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$128.00Aug 7$2.26$1.38$3.64$124.36$131.642.82%
$131.00Aug 7$0.87$2.80$3.67$127.33$134.672.84%
$129.00Aug 7$1.92$1.80$3.72$125.28$132.722.88%
$130.00Aug 7$1.30$2.45$3.75$126.25$133.752.90%
$126.00Aug 7$3.18$0.70$3.88$122.12$129.883.00%
$127.00Aug 7$2.81$1.19$4.00$123.00$131.003.10%
$133.00Aug 7$0.52$4.20$4.72$128.28$137.723.66%
$125.00Aug 7$4.40$0.52$4.92$120.08$129.923.81%
$132.00Aug 7$0.68$4.35$5.03$126.97$137.033.90%
$124.00Aug 7$4.85$0.44$5.29$118.71$129.294.10%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 157 found (cheapest 0.68% of stock, avg 3.46%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$134.00$125.00Aug 7$0.36$0.52$0.88$124.12$134.88
$150.00$110.00Sep 18$0.38$0.63$1.01$108.99$151.01
$133.00$125.00Aug 7$0.52$0.52$1.04$123.96$134.04
$134.00$126.00Aug 7$0.36$0.70$1.06$124.94$135.06
$132.00$125.00Aug 7$0.68$0.52$1.20$123.80$133.20
$133.00$126.00Aug 7$0.52$0.70$1.22$124.78$134.22
$132.00$126.00Aug 7$0.68$0.70$1.38$124.62$133.38
$131.00$125.00Aug 7$0.87$0.52$1.39$123.61$132.39
$145.00$110.00Sep 18$0.86$0.63$1.49$108.51$146.49
$150.00$115.00Sep 18$0.38$1.10$1.48$113.52$151.48

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 187 found (best R:R 17.18, avg credit $1.43)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
117/118120/122Aug 28$1.89$0.1117.18$116.11$121.89
118/119120/122Aug 28$1.87$0.1314.38$117.13$121.87
114/115120/122Aug 28$1.84$0.1611.50$113.16$121.84
115/116121/123Aug 14$1.82$0.1810.11$114.18$122.82
113/114120/122Aug 28$1.82$0.1810.11$112.18$121.82
115/116123/124Aug 14$0.90$0.109.00$115.10$123.90
128/129131/132Sep 4$0.90$0.109.00$128.10$131.90
130/135140/145Sep 18$4.48$0.528.62$130.52$144.48
120/121125/128Sep 4$2.66$0.347.82$118.34$127.66
121/122123/124Aug 14$0.88$0.127.33$121.12$123.88

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 81 found (best R:R 44.45, cheapest $0.06)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$105.00$110.00$115.00Aug 21$0.23$4.7720.74
$136.00$137.00$138.00Aug 7$0.07$0.9313.29
$140.00$145.00$150.00Sep 18$0.38$4.6212.16
$139.00$140.00$141.00Aug 7$0.08$0.9211.50
$134.00$135.00$136.00Aug 21$0.08$0.9211.50
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$105.00$110.00$115.00Sep 18$0.11$4.8944.45
$130.00$135.00$140.00Sep 18$0.11$4.8944.45
$140.00$145.00$150.00Sep 18$0.22$4.7821.73
$105.00$110.00$115.00Aug 21$0.23$4.7720.74
$119.00$120.00$121.00Aug 28$0.06$0.9415.67

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 107 found (best net $-0.79, 92 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$110.00$120.001:2Aug 28-$0.79$9.21
$140.00$145.001:2Sep 18$0.00$5.00
$135.00$140.001:2Sep 18-$0.40$4.60
$130.00$135.001:2Sep 18-$0.93$4.07
$141.00$144.001:2Sep 4-$0.33$2.67
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$115.00$105.001:2Aug 14-$1.71$8.29
$110.00$105.001:2Aug 21-$0.01$4.99
$110.00$105.001:2Aug 28-$0.10$4.90
$120.00$115.001:2Sep 18-$0.14$4.86
$115.00$110.001:2Sep 18-$0.16$4.84

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 50 found (best yield 3.83%, avg 1.10%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$130.00Sep 18$4.950.480.7%3.83%4.52%2565.3K
$130.00Aug 28$3.750.470.7%2.90%3.59%5243
$130.00Sep 4$3.100.480.7%2.40%3.08%826
$130.00Aug 21$2.990.450.7%2.32%3.00%925.6K
$135.00Sep 18$2.930.344.5%2.27%6.82%2.2K4.7K
$131.00Aug 28$2.830.441.5%2.19%3.65%11185
$131.00Sep 11$2.800.431.5%2.17%3.62%42
$131.00Sep 4$2.670.441.5%2.07%3.52%125
$132.00Sep 11$2.550.402.2%1.97%4.21%4--
$130.00Aug 14$2.520.470.7%1.95%2.63%30123

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 11,418
Total Puts 4,777
Put/Call Ratio 0.42
Net Difference 6,641

Prior's Put/Call Breakdown

Total Calls 19,114
Total Puts 18,028
Put/Call Ratio 1.00
Net Difference 1,086

Prior 7-Day Put/Call Summary

Total Calls 90,063
Total Puts 50,438
Average Put/Call Ratio 0.49
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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Chart Title

Price — Past 7 Days

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