Tour v490
MRK
MERCK & CO. INC.
$128.74 +0.76%
(8/4 14:07) ◀
|
Tuesday, August 4, 2026 (3:00pm)
January 2026
|
▶ (8/4 16:00)
◀ 8/4 15:00 ▶

Option Volume

Detail
ℹ
Current (08/04 3:00pm) 31,215
Calls: 24,362 (78%)
Puts: 6,853 (22%)
Prior --
Calls: 19,114 (51%)
Puts: 18,028 (49%)
Current vs Prior +0.00%
Calls: +27.46% (Calls)
Puts: -61.99% (Puts)
Prior 7-Day Total 205,791
Calls: 141,529 (69%)
Puts: 64,262 (31%)
Prior 7-Day Average 29,398
Calls: 20,218 (69%)
Puts: 9,180 (31%)
Current vs Prior 7-Day Avg +6.18%
Calls: +20.49%
Puts: -25.35%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/04 3:00pm) $6.06M
Calls: $4.20M (69%)
Puts: $1.86M (31%)
Prior --
Calls: $4.76M (59%)
Puts: $3.33M (41%)
Current vs Prior +0.00%
Calls: -11.67%
Puts: -44.06%
Prior 7-Day Total $44.94M
Calls: $27.60M (61%)
Puts: $17.35M (39%)
Prior 7-Day Average $6.42M
Calls: $3.94M (61%)
Puts: $2.48M (39%)
Current vs Prior 7-Day Avg -5.55%
Calls: +6.60%
Puts: -24.89%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/04 3:00pm) 0.28
Prior 1.00
Current vs Prior -71.87%
Prior 7-Day Average 0.49
Current vs Prior 7-Day Avg -42.53%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/04 3:00pm) 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 3.04% | 4.73%5.65% | 10.57%
Prior 5.26% | 6.26%7.05% | 11.36%
Current vs Prior -42.16% | -24.44%-19.74% | -6.94%
Prior 7-Day Avg 3.92% | 5.53%7.05% | 11.36%
Current vs 7-Day Avg -22.36% | -14.51%-19.74% | -6.94%
Prior 7-Day Eod 5.26% | 6.26%6.99% | 11.65%
Current vs 7-Day Eod -42.16% | -24.44%-19.09% | -9.22%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 14.45% | 15.58%
Calls: 20.19% | 13.72%
Puts: 8.70% | 17.44%
Prior 11.96% | 10.64%
Calls: 10.20% | 11.03%
Puts: 13.72% | 10.26%
Current vs Prior +20.82% | +46.43%
Prior 7-Day Avg 36.24% | 11.18%
Calls: 30.14% | 11.23%
Puts: 42.34% | 11.14%
Current vs 7-Day Avg -60.13% | +39.36%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bullish flow with 69% call dollar volume ($4.20M). Extreme bullish P/C ratio of 0.28 - heavy call buying (24,362 calls vs 6,853 puts). P/C ratio dropping 72% - 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
15:00BULLISHBULLISHBULLISH
14:05BULLISHBULLISHBULLISH
14:00BULLISHBULLISHBULLISH
13:00BULLISHBULLISHBULLISH
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 28 of results (avg 7.7%, best 3.3%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$125.00Sep 187.407.65$7.533.3%380.623.0K
$130.00Sep 184.704.90$4.804.2%3060.475.3K
$127.00Aug 214.404.65$4.535.5%40.591.2K
$115.00Aug 2113.6014.40$14.005.7%--0.92332
$135.00Sep 182.712.90$2.816.8%2.5K0.334.7K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$130.00Sep 185.956.20$6.084.1%400.53829
$125.00Sep 183.603.80$3.705.4%620.381.7K
$140.00Sep 1812.4013.30$12.857.0%20.7846
$120.00Sep 181.992.14$2.077.2%980.253.7K
$129.00Aug 71.761.92$1.848.7%690.52179

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 7 found (avg $0.72, cheapest $0.47)

CALLS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$140.00Aug 210.430.50$0.4714.9%1750.117.2K
$145.00Sep 180.700.84$0.7718.2%12.3K0.121.4K
$137.00Aug 210.790.93$0.8616.3%30.19216
$131.00Aug 70.810.94$0.8814.8%660.31418
PUTS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$110.00Sep 180.470.53$0.5012.0%210.075.9K
$126.00Aug 70.650.77$0.7116.9%940.2667
$121.00Aug 210.810.94$0.8814.8%3340.18125

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 92 found (avg delta 0.75, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$105.00Aug 2122.8525.05$23.959.2%--1.0013
$105.00Sep 1823.2025.50$24.359.4%--1.001.1K
$108.00Aug 719.8521.75$20.809.1%11.00--
$114.00Aug 714.1015.85$14.9811.7%--0.9912
$109.00Aug 718.9020.85$19.889.8%10.981
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$150.00Aug 719.9022.40$21.1511.8%21.001
$145.00Aug 2115.1517.05$16.1011.8%--0.9616
$139.00Aug 78.9511.15$10.0521.9%--0.9413
$150.00Sep 1820.5522.55$21.559.3%--0.9210
$142.00Aug 2112.2014.15$13.1814.8%--0.9110

Most actively traded options today. High liquidity = easy entry/exit. 207 active (total vol 26.4K, top 12.3K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$145.00Sep 180.700.84$0.7718.2%12.3K0.121.4K
$135.00Sep 182.712.90$2.816.8%2.5K0.334.7K
$135.00Aug 211.221.35$1.2910.1%1.6K0.254.8K
$132.00Aug 70.550.69$0.6222.6%1.4K0.24706
$130.00Aug 71.151.31$1.2313.0%5660.40225
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$124.00Aug 70.290.42$0.3636.1%7660.141.1K
$127.00Aug 70.941.15$1.0520.0%5150.34250
$121.00Aug 210.810.94$0.8814.8%3340.18125
$128.00Aug 71.301.56$1.4318.2%2580.43372
$105.00Sep 180.220.29$0.2626.9%2350.043.8K

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 57 strikes (avg 53.3%, max 174.0%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$142.00Aug 7Aug 2887.4%31.9%174.0%556
$110.00Aug 14Sep 1875.2%31.4%139.0%42.6K
$150.00Aug 7Sep 1862.8%29.8%110.6%283.2K
$145.00Aug 7Sep 1856.1%29.2%92.5%12.4K2.0K
$141.00Aug 7Sep 452.8%29.0%82.2%12121
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$105.00Aug 7Sep 1883.5%33.5%149.2%2373.9K
$113.00Aug 7Aug 2875.0%33.9%121.4%1725
$150.00Aug 7Sep 1862.8%29.8%110.6%211
$110.00Aug 7Sep 1865.6%31.4%108.9%365.9K
$117.00Aug 7Aug 2854.0%31.0%73.9%12118

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 146 found (best R:R 26.78, avg 3.67)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$142.00$145.00Aug 28$0.11$2.89$0.1126.27$142.11
$145.00$150.00Aug 28$0.26$4.74$0.2618.23$145.26
$148.00$150.00Aug 7$0.13$1.87$0.1314.38$148.13
$138.00$140.00Aug 14$0.14$1.86$0.1413.29$138.14
$145.00$150.00Sep 18$0.35$4.65$0.3513.29$145.35
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$115.00$110.00Aug 21$0.18$4.82$0.1826.78$114.82
$110.00$105.00Sep 18$0.24$4.76$0.2419.83$109.76
$110.00$105.00Aug 28$0.43$4.57$0.4310.63$109.57
$119.00$110.00Sep 4$0.83$8.17$0.839.84$118.17
$123.00$122.00Aug 28$0.10$0.90$0.109.00$122.90

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 182 found (best R:R 49.00, avg 1.99)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$109.00$114.00Aug 7$4.90$4.90$0.1049.00$113.90
$105.00$110.00Sep 18$4.85$4.85$0.1532.33$109.85
$115.00$120.00Aug 14$4.80$4.80$0.2024.00$119.80
$118.00$120.00Aug 21$1.87$1.87$0.1314.38$119.87
$110.00$115.00Sep 18$4.65$4.65$0.3513.29$114.65
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$139.00$135.00Aug 7$3.60$3.60$0.409.00$135.40
$150.00$145.00Sep 18$4.42$4.42$0.587.62$145.58
$132.00$131.00Sep 11$0.88$0.88$0.127.33$131.12
$145.00$140.00Sep 18$4.28$4.28$0.725.94$140.72
$131.00$130.00Aug 21$0.84$0.84$0.165.25$130.16

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 55 found (avg debit $0.66, cheapest $0.05)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$115.00Aug 14Aug 21$0.0540.6%36.3%
$110.00Aug 14Aug 21$0.1075.2%40.3%
$143.00Aug 7Aug 21$0.1853.9%30.6%
$145.00Aug 7Aug 14$0.2056.1%44.4%
$140.00Aug 7Aug 14$0.2343.6%35.0%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$110.00Aug 7Aug 21$0.1365.6%40.3%
$115.00Aug 7Aug 14$0.1451.4%40.6%
$113.00Aug 7Aug 28$0.2275.0%33.9%
$118.00Aug 7Aug 14$0.2348.5%37.5%
$120.00Aug 7Aug 14$0.2846.4%35.0%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 85 found (cheapest 2.70% of stock, avg 7.71%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$130.00Aug 7$1.23$2.25$3.48$126.52$133.482.70%
$129.00Aug 7$1.66$1.84$3.50$125.50$132.502.72%
$128.00Aug 7$2.08$1.43$3.51$124.49$131.512.73%
$127.00Aug 7$2.60$1.05$3.65$123.35$130.652.84%
$131.00Aug 7$0.88$3.00$3.88$127.12$134.883.01%
$126.00Aug 7$3.55$0.71$4.26$121.74$130.263.31%
$132.00Aug 7$0.62$3.80$4.42$127.58$136.423.43%
$125.00Aug 7$4.15$0.51$4.66$120.34$129.663.62%
$133.00Aug 7$0.45$4.35$4.80$128.20$137.803.73%
$124.00Aug 7$4.80$0.36$5.16$118.84$129.164.01%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 170 found (cheapest 0.63% of stock, avg 3.35%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$133.00$124.00Aug 7$0.45$0.36$0.81$123.19$133.81
$150.00$110.00Sep 18$0.42$0.50$0.92$109.08$150.92
$133.00$125.00Aug 7$0.45$0.51$0.96$124.04$133.96
$132.00$124.00Aug 7$0.62$0.36$0.98$123.02$132.98
$132.00$125.00Aug 7$0.62$0.51$1.13$123.87$133.13
$133.00$126.00Aug 7$0.45$0.71$1.16$124.84$134.16
$131.00$124.00Aug 7$0.88$0.36$1.24$122.76$132.24
$145.00$110.00Sep 18$0.77$0.50$1.27$108.73$146.27
$132.00$126.00Aug 7$0.62$0.71$1.33$124.67$133.33
$131.00$125.00Aug 7$0.88$0.51$1.39$123.61$132.39

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 239 found (best R:R 19.00, avg credit $1.22)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
117/118120/122Aug 21$1.90$0.1019.00$116.10$121.90
118/119123/124Aug 14$0.89$0.118.09$118.11$123.89
117/118123/124Aug 21$0.89$0.118.09$117.11$123.89
120/121124/125Aug 21$0.89$0.118.09$120.11$124.89
121/122124/125Aug 21$0.89$0.118.09$121.11$124.89
124/125127/128Aug 14$0.88$0.127.33$124.12$127.88
122/123128/129Aug 28$0.88$0.127.33$122.12$128.88
121/122126/127Aug 14$0.87$0.136.69$121.13$126.87
123/124126/127Aug 14$0.87$0.136.69$123.13$126.87
122/123125/126Aug 21$0.87$0.136.69$122.13$125.87

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 87 found (best R:R 54.56, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$105.00$110.00$115.00Sep 18$0.20$4.8024.00
$118.00$120.00$122.00Aug 21$0.09$1.9121.22
$134.00$135.00$136.00Aug 7$0.05$0.9519.00
$132.00$133.00$134.00Aug 14$0.05$0.9519.00
$137.00$138.00$139.00Aug 7$0.06$0.9415.67
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$105.00$110.00$115.00Aug 21$0.09$4.9154.56
$140.00$145.00$150.00Sep 18$0.14$4.8634.71
$113.00$114.00$115.00Aug 7$0.05$0.9519.00
$120.00$121.00$122.00Aug 14$0.05$0.9519.00
$105.00$110.00$115.00Sep 18$0.28$4.7216.86

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 116 found (best net $-1.01, 100 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$110.00$120.001:2Aug 28-$1.01$8.99
$140.00$145.001:2Sep 18-$0.01$4.99
$145.00$150.001:2Sep 18-$0.07$4.93
$140.00$145.001:2Aug 14-$0.19$4.81
$135.00$140.001:2Sep 18-$0.25$4.75
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$115.00$105.001:2Aug 14-$1.98$8.02
$129.00$123.001:2Sep 11-$0.15$5.85
$110.00$105.001:2Sep 18-$0.02$4.98
$125.00$120.001:2Sep 18-$0.44$4.56
$130.00$125.001:2Sep 18-$1.32$3.68

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 67 found (best yield 3.65%, avg 1.19%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$130.00Sep 18$4.700.471.0%3.65%4.63%3065.3K
$129.00Sep 11$4.200.510.2%3.26%3.46%1--
$130.00Sep 11$4.150.481.0%3.22%4.20%91
$131.00Sep 11$3.750.451.8%2.91%4.67%52
$130.00Aug 28$3.450.471.0%2.68%3.66%7243
$130.00Sep 4$3.450.471.0%2.68%3.66%826
$129.00Aug 28$3.400.500.2%2.64%2.84%--21
$129.00Aug 21$3.150.500.2%2.45%2.65%5238
$131.00Sep 4$3.000.441.8%2.33%4.09%125
$132.00Sep 11$2.880.412.5%2.24%4.77%4--

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 24,362
Total Puts 6,853
Put/Call Ratio 0.28
Net Difference 17,509

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 141,529
Total Puts 64,262
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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