Tour v422
MRK
MERCK & CO. INC.
$130.76 -0.24%
$130.71 (-0.04%)🌙
as of 07/27 06:50 PM
(7/24 03:07) ◀
|
Monday, July 27, 2026 (6:50pm)
January 2026
|
▶ (7/28 18:51)
◀ 7/27 18:50 ▶

Option Volume

Detail
ℹ
Current (07/27) 15,706
Calls: 9,192 (59%)
Puts: 6,514 (41%)
Prior (07/24) 17,350
Calls: 14,612 (84%)
Puts: 2,738 (16%)
Current vs Prior -9.48%
Calls: -37.09% (Calls)
Puts: +137.91% (Puts)
Prior 7-Day Total 184,684
Calls: 151,956 (82%)
Puts: 32,728 (18%)
Prior 7-Day Average 26,383
Calls: 21,708 (82%)
Puts: 4,675 (18%)
Current vs Prior 7-Day Avg -40.47%
Calls: -57.66%
Puts: +39.32%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/27) $6.35M
Calls: $4.70M (74%)
Puts: $1.66M (26%)
Prior (07/24) $6.94M
Calls: $6.20M (89%)
Puts: $744.4K (11%)
Current vs Prior -8.44%
Calls: -24.19%
Puts: +122.64%
Prior 7-Day Total $45.07M
Calls: $35.38M (78%)
Puts: $9.69M (22%)
Prior 7-Day Average $6.44M
Calls: $5.05M (78%)
Puts: $1.38M (22%)
Current vs Prior 7-Day Avg -1.29%
Calls: -7.05%
Puts: +19.74%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/27) 0.71
Prior (07/24) 0.19
Current vs Prior +278.19%
Prior 7-Day Average 0.27
Current vs Prior 7-Day Avg +164.61%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (07/27) 235,978
Calls: 143,042 (61%)
Puts: 92,936 (39%)
Prior (07/24) 217,275
Calls: 142,903 (66%)
Puts: 74,372 (34%)
Current vs Prior +8.61%
Prior 7-Day Total 1,719,532
Calls: 1,088,673 (63%)
Puts: 630,859 (37%)
Prior 7-Day Average 245,647
Calls: 155,524 (63%)
Puts: 90,122 (37%)
Current vs Prior 7-Day Avg -3.94%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 3.10% | 5.81%7.42% | 11.68%
Prior 3.40% | 5.86%7.46% | 11.54%
Current vs Prior -8.77% | -0.81%-0.58% | +1.16%
Prior 7-Day Avg 2.62% | 4.43%6.15% | 11.60%
Current vs 7-Day Avg +18.30% | +31.23%+20.67% | +0.69%
Prior 7-Day Eod 3.40% | 5.86%7.46% | 11.54%
Current vs 7-Day Eod -8.77% | -0.81%-0.58% | +1.16%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 24.70% | 10.94%
Calls: 17.93% | 12.45%
Puts: 31.48% | 9.43%
Prior 24.70% | 10.94%
Calls: 17.93% | 12.45%
Puts: 31.48% | 9.43%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 24.70% | 10.94%
Calls: 17.93% | 12.45%
Puts: 31.48% | 9.43%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bullish flow with 74% call dollar volume ($4.70M). P/C ratio rising 278% - increased hedging/bearish positioning. Call-heavy open interest (143,042 calls vs 92,936 puts) suggests bullish positioning.

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 BULLISH
7-Day Avg NEUTRAL
Current NEUTRAL
Prior BULLISH
7-Day Avg NEUTRAL
Current BULLISH
Prior BULLISH
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 14 of results (avg 8.8%, best 6.7%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$129.00Aug 74.554.95$4.758.4%90.6067
$135.00Aug 212.803.05$2.938.5%3640.385.1K
$128.00Aug 216.156.70$6.438.6%10.62--
$105.00Aug 725.5527.90$26.738.8%10.91--
$124.00Aug 77.908.65$8.289.1%20.79--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$131.00Aug 214.304.60$4.456.7%90.4954
$136.00Aug 217.057.55$7.306.8%610.66--
$131.00Aug 284.554.95$4.758.4%20.48--
$128.00Aug 212.953.25$3.109.7%1410.3893
$130.00Aug 213.854.25$4.059.9%120.45--

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 2 found (avg $0.84, cheapest $0.70)

CALLS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$145.00Aug 210.640.75$0.7015.7%200.131.4K
$139.00Aug 70.881.07$0.9819.4%480.20325
PUTS (0)
No puts meet the criteria

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 72 found (avg delta 0.73, highest 0.99)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$115.00Jul 3115.5517.80$16.6813.5%10.99--
$107.00Jul 3122.6525.75$24.2012.8%10.996
$117.00Jul 3113.3515.75$14.5516.5%60.991
$110.00Jul 3120.1522.80$21.4812.3%20.98183
$123.00Jul 317.609.05$8.3217.4%100.9717
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$135.00Jul 314.004.80$4.4018.2%20.82--
$142.00Aug 2110.5512.70$11.6318.5%100.82--
$139.00Aug 78.459.40$8.9310.6%130.81--
$134.00Jul 313.504.25$3.8819.3%10.76--
$136.00Aug 76.107.25$6.6817.2%20.70--

Most actively traded options today. High liquidity = easy entry/exit. 220 active (total vol 10.0K, top 2.3K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$140.00Aug 211.351.56$1.4614.4%2.3K0.236.1K
$130.00Aug 215.005.50$5.259.5%6790.554.5K
$136.00Jul 310.160.39$0.2882.1%3680.132.0K
$135.00Aug 212.803.05$2.938.5%3640.385.1K
$132.00Jul 311.071.43$1.2528.8%3150.40872
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$120.00Aug 210.761.30$1.0352.4%6530.163.1K
$133.00Aug 215.105.70$5.4011.1%3520.553
$125.00Jul 310.110.76$0.44147.7%2590.14280
$130.00Jul 311.191.50$1.3523.0%1930.4270
$110.00Aug 210.160.23$0.2035.0%1730.042.4K

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 32 strikes (avg 32.9%, max 161.0%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$105.00Aug 7Sep 4103.4%39.6%161.0%2--
$150.00Jul 31Sep 464.5%31.0%107.9%7--
$115.00Jul 31Aug 2150.6%35.3%43.6%52--
$125.00Jul 31Aug 2842.4%32.8%29.1%24354
$145.00Aug 7Aug 2839.7%31.3%27.1%3--
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$105.00Aug 7Aug 21103.4%41.6%148.5%62--
$110.00Jul 31Aug 2885.4%40.8%109.2%5156
$117.00Jul 31Sep 449.8%33.2%49.9%151
$120.00Jul 31Sep 446.7%32.3%44.6%120477
$115.00Jul 31Aug 2850.6%35.1%44.3%536

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 134 found (best R:R 49.00, avg 3.59)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$150.00$155.00Aug 21$0.19$4.81$0.1925.32$150.19
$145.00$150.00Aug 21$0.29$4.71$0.2916.24$145.29
$132.00$133.00Aug 14$0.11$0.89$0.118.09$132.11
$143.00$145.00Aug 21$0.24$1.76$0.247.33$143.24
$136.00$137.00Jul 31$0.13$0.87$0.136.69$136.13
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$110.00$105.00Aug 21$0.10$4.90$0.1049.00$109.90
$115.00$110.00Aug 21$0.21$4.79$0.2122.81$114.79
$118.00$115.00Aug 7$0.20$2.80$0.2014.00$117.80
$120.00$118.00Aug 7$0.15$1.85$0.1512.33$119.85
$117.00$115.00Aug 14$0.15$1.85$0.1512.33$116.85

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 160 found (best R:R 24.00, avg 1.37)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$110.00$115.00Jul 31$4.80$4.80$0.2024.00$114.80
$115.00$123.00Aug 14$7.28$7.28$0.7210.11$122.28
$107.00$110.00Jul 31$2.72$2.72$0.289.71$109.72
$105.00$124.00Sep 4$17.16$17.16$1.849.33$122.16
$120.00$124.00Aug 7$3.49$3.49$0.516.84$123.49
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$135.00$134.00Aug 7$0.77$0.77$0.233.35$134.23
$139.00$136.00Aug 7$2.25$2.25$0.753.00$136.75
$136.00$135.00Aug 21$0.75$0.75$0.253.00$135.25
$142.00$137.00Aug 21$3.65$3.65$1.352.70$138.35
$137.00$136.00Aug 21$0.68$0.68$0.322.13$136.32

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 51 found (avg debit $1.12, cheapest $0.10)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$115.00Jul 31Aug 14$0.1550.6%40.1%
$105.00Aug 7Sep 4$0.25103.4%39.6%
$150.00Jul 31Aug 21$0.3464.5%35.5%
$145.00Aug 7Aug 21$0.4039.7%33.2%
$142.00Jul 31Aug 7$0.5439.9%40.2%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$110.00Jul 31Aug 21$0.1085.4%38.1%
$115.00Jul 31Aug 7$0.1150.6%42.2%
$118.00Jul 31Aug 7$0.2848.4%43.0%
$120.00Jul 31Aug 7$0.3946.7%41.6%
$116.00Aug 28Sep 4$0.3934.1%35.2%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 62 found (cheapest 2.68% of stock, avg 7.89%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$131.00Jul 31$1.69$1.81$3.50$127.50$134.502.68%
$132.00Jul 31$1.25$2.29$3.54$128.46$135.542.71%
$130.00Jul 31$2.24$1.35$3.59$126.41$133.592.75%
$129.00Jul 31$2.86$0.87$3.73$125.27$132.732.85%
$133.00Jul 31$0.91$2.96$3.87$129.13$136.872.96%
$128.00Jul 31$3.37$0.61$3.98$124.02$131.983.04%
$134.00Jul 31$0.62$3.88$4.50$129.50$138.503.44%
$135.00Jul 31$0.43$4.40$4.83$130.17$139.833.69%
$127.00Jul 31$4.43$0.49$4.92$122.08$131.923.76%
$126.00Jul 31$5.35$0.33$5.68$120.32$131.684.34%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 0.67% of stock, avg 4.10%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$135.00$125.00Jul 31$0.43$0.44$0.87$124.13$135.87
$135.00$127.00Jul 31$0.43$0.49$0.92$126.08$135.92
$135.00$128.00Jul 31$0.43$0.61$1.04$126.96$136.04
$134.00$125.00Jul 31$0.62$0.44$1.06$123.94$135.06
$134.00$127.00Jul 31$0.62$0.49$1.11$125.89$135.11
$134.00$128.00Jul 31$0.62$0.61$1.23$126.77$135.23
$135.00$129.00Jul 31$0.43$0.87$1.30$127.70$136.30
$133.00$125.00Jul 31$0.91$0.44$1.35$123.65$134.35
$133.00$127.00Jul 31$0.91$0.49$1.40$125.60$134.40
$134.00$129.00Jul 31$0.62$0.87$1.49$127.51$135.49

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 256 found (best R:R 14.38, avg credit $1.30)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
121/123129/131Sep 4$1.87$0.1314.38$121.13$130.87
120/122124/126Aug 7$1.86$0.1413.29$120.14$125.86
122/123124/126Aug 7$1.85$0.1512.33$121.15$125.85
115/118120/124Aug 7$3.69$0.3111.90$114.31$123.69
117/118120/125Aug 28$4.46$0.548.26$113.54$124.46
118/120124/126Aug 7$1.78$0.228.09$118.22$125.78
119/120131/132Aug 14$0.89$0.118.09$119.11$131.89
115/117125/127Aug 21$1.78$0.228.09$115.22$126.78
125/126129/130Aug 21$0.89$0.118.09$125.11$129.89
117/118135/136Aug 28$0.89$0.118.09$117.11$135.89

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 63 found (best R:R 49.00, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$145.00$150.00$155.00Aug 21$0.10$4.9049.00
$132.00$133.00$134.00Jul 31$0.05$0.9519.00
$129.00$130.00$131.00Jul 31$0.07$0.9313.29
$138.00$139.00$140.00Aug 7$0.07$0.9313.29
$141.00$142.00$143.00Aug 21$0.07$0.9313.29
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$105.00$110.00$115.00Aug 21$0.11$4.8944.45
$118.00$120.00$122.00Aug 7$0.08$1.9224.00
$117.00$118.00$119.00Aug 14$0.05$0.9519.00
$128.00$129.00$130.00Aug 21$0.05$0.9519.00
$122.00$123.00$124.00Aug 21$0.07$0.9313.29

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 87 found (best net $-1.48, 79 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$145.00$155.001:2Aug 28-$1.48$8.52
$143.00$150.001:2Jul 31-$0.10$6.90
$115.00$123.001:2Aug 14-$2.27$5.73
$150.00$155.001:2Aug 21-$0.03$4.97
$145.00$150.001:2Aug 21-$0.12$4.88
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$115.00$105.001:2Aug 7-$2.03$7.97
$131.00$124.001:2Sep 4-$0.63$6.37
$110.00$105.001:2Aug 21$0.00$5.00
$115.00$110.001:2Jul 31-$0.18$4.82
$113.00$110.001:2Aug 28-$0.50$2.50

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 57 found (best yield 3.98%, avg 1.43%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$131.00Sep 4$5.200.520.2%3.98%4.16%220
$131.00Aug 28$4.900.530.2%3.75%3.93%3--
$132.00Sep 4$4.800.500.9%3.67%4.62%1--
$131.00Aug 21$4.350.510.2%3.33%3.51%4496
$132.00Aug 28$4.250.490.9%3.25%4.20%1117
$132.00Aug 21$4.050.480.9%3.10%4.05%18148
$131.00Aug 14$3.900.530.2%2.98%3.17%1721
$133.00Aug 21$3.550.451.7%2.71%4.43%3086
$131.00Aug 7$3.500.520.2%2.68%2.86%2171
$135.00Sep 4$3.450.413.2%2.64%5.88%1--

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 9,192
Total Puts 6,514
Put/Call Ratio 0.71
Net Difference 2,678

Prior's Put/Call Breakdown

Total Calls 14,612
Total Puts 2,738
Put/Call Ratio 0.19
Net Difference 11,874

Prior 7-Day Put/Call Summary

Total Calls 151,956
Total Puts 32,728
Average Put/Call Ratio 0.27
Ratio Trend Rising

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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