Tour v456
MRK
MERCK & CO. INC.
$130.36 -1.11%
$130.58 (+0.17%)🌙
as of 07/29 06:54 PM
(7/28 18:51) ◀
|
Wednesday, July 29, 2026 (6:54pm)
January 2026
|
▶
◀ 7/29 18:54

Option Volume

Detail
ℹ
Current (07/29) 14,353
Calls: 6,515 (45%)
Puts: 7,838 (55%)
Prior (07/28) 31,129
Calls: 21,246 (68%)
Puts: 9,883 (32%)
Current vs Prior -53.89%
Calls: -69.34% (Calls)
Puts: -20.69% (Puts)
Prior 7-Day Total 172,326
Calls: 136,092 (79%)
Puts: 36,234 (21%)
Prior 7-Day Average 24,618
Calls: 19,441 (79%)
Puts: 5,176 (21%)
Current vs Prior 7-Day Avg -41.70%
Calls: -66.49%
Puts: +51.42%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (07/29) $4.63M
Calls: $3.17M (68%)
Puts: $1.46M (32%)
Prior (07/28) $7.51M
Calls: $4.29M (57%)
Puts: $3.22M (43%)
Current vs Prior -38.33%
Calls: -26.14%
Puts: -54.58%
Prior 7-Day Total $40.69M
Calls: $29.55M (73%)
Puts: $11.14M (27%)
Prior 7-Day Average $5.81M
Calls: $4.22M (73%)
Puts: $1.59M (27%)
Current vs Prior 7-Day Avg -20.28%
Calls: -24.88%
Puts: -8.06%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/29) 1.20
Prior (07/28) 0.47
Current vs Prior +158.63%
Prior 7-Day Average 0.35
Current vs Prior 7-Day Avg +240.55%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (07/29) 237,434
Calls: 147,576 (62%)
Puts: 89,858 (38%)
Prior (07/28) 246,601
Calls: 148,493 (60%)
Puts: 98,108 (40%)
Current vs Prior -3.72%
Prior 7-Day Total 1,636,409
Calls: 1,003,304 (61%)
Puts: 633,105 (39%)
Prior 7-Day Average 233,772
Calls: 143,329 (61%)
Puts: 90,443 (39%)
Current vs Prior 7-Day Avg +1.57%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 2.68% | 5.87%7.31% | 11.51%
Prior 2.63% | 5.61%6.98% | 11.14%
Current vs Prior +1.99% | +4.54%+4.75% | +3.32%
Prior 7-Day Avg 2.68% | 4.84%7.80% | 11.89%
Current vs 7-Day Avg +0.03% | +21.18%-6.28% | -3.26%
Prior 7-Day Eod 2.63% | 5.61%6.98% | 11.14%
Current vs 7-Day Eod +1.99% | +4.54%+4.75% | +3.32%
Sentiment BEARISHBEARISH

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 68% call dollar volume ($3.17M). Below-average activity with volume down 54% vs prior. Bearish P/C ratio of 1.20 indicates protective positioning. P/C ratio rising 159% - 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 BULLISH
7-Day Avg BULLISH
Current NEUTRAL
Prior BULLISH
7-Day Avg NEUTRAL
Current BEARISH
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 5 of results (avg 8.1%, best 6.0%)

CALLS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$130.00Aug 214.705.00$4.856.2%390.534.8K
$127.00Aug 216.206.80$6.509.2%10.641.2K
$125.00Aug 217.408.15$7.789.6%130.713.9K
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$130.00Aug 214.004.25$4.136.1%240.47416
$124.00Aug 211.842.02$1.939.3%60.27--

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 1 found (avg $0.97, cheapest $0.97)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$142.00Aug 210.891.04$0.9715.5%50.1786
PUTS (0)
No puts meet the criteria

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 49 found (avg delta 0.73, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$115.00Jul 3114.3016.85$15.5816.4%11.008
$120.00Jul 319.2011.40$10.3021.4%70.9443
$122.00Jul 317.609.90$8.7526.3%320.9475
$118.00Jul 3111.5012.80$12.1510.7%10.937
$124.00Jul 315.507.20$6.3526.8%20.92--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$137.00Jul 315.957.80$6.8826.9%20.95--
$136.00Jul 315.006.60$5.8027.6%40.91--
$135.00Jul 314.005.75$4.8835.9%60.8819
$134.00Jul 313.104.75$3.9342.0%90.847
$133.00Jul 312.673.80$3.2434.9%210.7834

Most actively traded options today. High liquidity = easy entry/exit. 155 active (total vol 9.2K, top 2.0K)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$140.00Jul 310.000.03$0.02150.0%6390.01626
$135.00Aug 212.542.83$2.6910.8%6140.364.7K
$135.00Jul 310.150.27$0.2157.1%6020.12761
$142.00Jul 310.000.01$0.01100.0%3290.002.9K
$132.00Jul 310.520.97$0.7560.0%2080.33955
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$118.00Aug 210.651.30$0.9866.3%2.0K0.14325
$128.00Aug 213.053.55$3.3015.2%1.0K0.40224
$130.00Jul 310.881.65$1.2661.1%9530.46243
$125.00Jul 310.090.19$0.1471.4%4700.08345
$110.00Aug 210.110.41$0.26115.4%2730.042.4K

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 38 strikes (avg 52.6%, max 352.9%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$118.00Jul 31Aug 2190.1%39.2%130.0%27
$120.00Jul 31Sep 465.8%32.8%100.6%846
$145.00Aug 7Aug 2851.8%34.4%50.7%2276
$138.00Jul 31Aug 2147.1%34.1%38.3%59730
$126.00Jul 31Aug 2146.5%34.8%33.8%6--
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$116.00Jul 31Sep 4154.8%34.2%352.9%8--
$121.00Jul 31Sep 4102.1%32.8%211.2%396
$118.00Jul 31Aug 2190.1%39.2%130.0%2.0K325
$119.00Jul 31Aug 14110.0%51.4%114.0%5105
$120.00Jul 31Aug 2165.8%36.6%79.6%93.9K

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 91 found (best R:R 37.46, avg 3.87)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$140.00$145.00Aug 7$0.18$4.82$0.1826.78$140.18
$145.00$150.00Aug 21$0.31$4.69$0.3115.13$145.31
$140.00$145.00Aug 14$0.33$4.67$0.3314.15$140.33
$142.00$145.00Aug 21$0.40$2.60$0.406.50$142.40
$133.00$134.00Jul 31$0.14$0.86$0.146.14$133.14
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$115.00$110.00Aug 21$0.13$4.87$0.1337.46$114.87
$122.00$117.00Aug 28$0.15$4.85$0.1532.33$121.85
$120.00$118.00Aug 21$0.16$1.84$0.1611.50$119.84
$120.00$118.00Aug 7$0.18$1.82$0.1810.11$119.82
$129.00$128.00Aug 7$0.11$0.89$0.118.09$128.89

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 110 found (best R:R 12.33, avg 1.24)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$118.00$120.00Jul 31$1.85$1.85$0.1512.33$119.85
$112.00$113.00Jul 31$0.87$0.87$0.136.69$112.87
$127.00$128.00Jul 31$0.87$0.87$0.136.69$127.87
$120.00$123.00Aug 21$2.58$2.58$0.426.14$122.58
$118.00$120.00Aug 21$1.67$1.67$0.335.06$119.67
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$130.00$129.00Aug 7$0.82$0.82$0.184.56$129.18
$134.00$133.00Aug 7$0.80$0.80$0.204.00$133.20
$136.00$135.00Aug 21$0.77$0.77$0.233.35$135.23
$133.00$131.00Jul 31$1.39$1.39$0.612.28$131.61
$134.00$133.00Jul 31$0.69$0.69$0.312.23$133.31

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 43 found (avg debit $1.30, cheapest $0.08)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$115.00Jul 31Aug 14$0.1070.5%58.7%
$145.00Aug 7Aug 14$0.1151.8%41.1%
$139.00Aug 14Aug 21$0.2838.4%34.3%
$140.00Jul 31Aug 7$0.6442.8%43.3%
$124.00Jul 31Aug 7$0.9348.8%43.2%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$117.00Aug 7Aug 14$0.0870.2%53.9%
$118.00Jul 31Aug 7$0.3990.1%53.6%
$132.00Aug 7Aug 14$0.5045.0%38.1%
$124.00Aug 7Aug 14$0.5143.2%38.4%
$121.00Jul 31Aug 21$0.52102.1%36.0%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 39 found (cheapest 2.23% of stock, avg 6.10%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$130.00Jul 31$1.65$1.26$2.91$127.09$132.912.23%
$131.00Jul 31$1.31$1.85$3.16$127.84$134.162.42%
$129.00Jul 31$2.46$0.83$3.29$125.71$132.292.52%
$128.00Jul 31$2.96$0.56$3.52$124.48$131.522.70%
$133.00Jul 31$0.44$3.24$3.68$129.32$136.682.82%
$134.00Jul 31$0.30$3.93$4.23$129.77$138.233.24%
$127.00Jul 31$3.83$0.41$4.24$122.76$131.243.25%
$135.00Jul 31$0.21$4.88$5.09$129.91$140.093.90%
$125.00Jul 31$5.43$0.14$5.57$119.43$130.574.27%
$136.00Jul 31$0.16$5.80$5.96$130.04$141.964.57%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 135 found (cheapest 0.48% of stock, avg 3.59%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$135.00$127.00Jul 31$0.21$0.41$0.62$126.38$135.62
$134.00$127.00Jul 31$0.30$0.41$0.71$126.29$134.71
$135.00$128.00Jul 31$0.21$0.56$0.77$127.23$135.77
$133.00$127.00Jul 31$0.44$0.41$0.85$126.15$133.85
$134.00$128.00Jul 31$0.30$0.56$0.86$127.14$134.86
$135.00$121.00Jul 31$0.21$0.77$0.98$120.02$135.98
$133.00$128.00Jul 31$0.44$0.56$1.00$127.00$134.00
$135.00$129.00Jul 31$0.21$0.83$1.04$127.96$136.04
$134.00$121.00Jul 31$0.30$0.77$1.07$119.93$135.07
$134.00$129.00Jul 31$0.30$0.83$1.13$127.87$135.13

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 167 found (best R:R 7.33, avg credit $1.22)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
125/126131/132Aug 7$0.88$0.127.33$125.12$131.88
115/117123/125Aug 21$1.75$0.257.00$115.25$124.75
127/128132/133Aug 7$0.87$0.136.69$127.13$132.87
127/128130/131Aug 21$0.87$0.136.69$127.13$130.87
124/125131/132Aug 7$0.86$0.146.14$124.14$131.86
123/124130/131Aug 21$0.86$0.146.14$123.14$130.86
128/130132/134Aug 21$1.71$0.295.90$128.29$133.71
126/127131/132Aug 7$0.85$0.155.67$126.15$131.85
125/127132/134Aug 21$1.70$0.305.67$125.30$133.70
130/132135/137Aug 14$1.69$0.315.45$130.31$136.69

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 37 found (best R:R 32.33, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$138.00$140.00$142.00Jul 31$0.06$1.9432.33
$133.00$134.00$135.00Jul 31$0.05$0.9519.00
$136.00$137.00$138.00Jul 31$0.07$0.9313.29
$136.00$137.00$138.00Aug 21$0.07$0.9313.29
$130.00$131.00$132.00Aug 21$0.11$0.898.09
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$130.00$131.00$132.00Aug 21$0.07$0.9313.29
$122.00$123.00$124.00Aug 28$0.08$0.9211.50
$120.00$121.00$122.00Aug 21$0.10$0.909.00
$127.00$128.00$129.00Jul 31$0.12$0.887.33
$123.00$125.00$127.00Jul 31$0.28$1.726.14

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 57 found (best net $-1.05, 47 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$140.00$145.001:2Aug 14-$0.26$4.74
$140.00$145.001:2Aug 7-$0.30$4.70
$142.00$145.001:2Aug 21-$0.17$2.83
$128.00$132.001:2Aug 14-$1.28$2.72
$132.00$135.001:2Aug 14-$0.93$2.07
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$116.00$108.001:2Jul 31-$1.05$6.95
$115.00$110.001:2Aug 21-$0.13$4.87
$124.00$120.001:2Aug 14-$0.12$3.88
$122.00$117.001:2Aug 28-$1.52$3.48
$130.00$126.001:2Sep 4-$1.51$2.49

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 36 found (best yield 3.41%, avg 1.43%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$131.00Sep 4$4.450.490.5%3.41%3.90%1--
$131.00Aug 28$4.250.490.5%3.26%3.75%1055
$131.00Aug 21$4.100.500.5%3.15%3.64%4500
$132.00Aug 28$4.050.471.3%3.11%4.36%3--
$132.00Sep 4$4.000.461.3%3.07%4.33%1--
$132.00Aug 21$3.550.461.3%2.72%3.98%24167
$131.00Aug 7$3.150.480.5%2.42%2.91%11764
$134.00Sep 4$3.150.412.8%2.42%5.21%1--
$132.00Aug 14$3.050.451.3%2.34%3.60%10432
$134.00Aug 21$2.830.402.8%2.17%4.96%4356

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 6,515
Total Puts 7,838
Put/Call Ratio 1.20
Net Difference -1,323

Prior's Put/Call Breakdown

Total Calls 21,246
Total Puts 9,883
Put/Call Ratio 0.47
Net Difference 11,363

Prior 7-Day Put/Call Summary

Total Calls 136,092
Total Puts 36,234
Average Put/Call Ratio 0.35
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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