Tour v473
MRK
MERCK & CO. INC.
$129.79 -0.44%
$129.90 (+0.08%)🌙
as of 07/30 07:10 PM
(7/29 18:54) ◀
|
Thursday, July 30, 2026 (7:10pm)
January 2026
|
▶ (7/31 18:53)
◀ 7/30 19:10 ▶

Option Volume

Detail
ℹ
Current (07/30) 8,712
Calls: 4,673 (54%)
Puts: 4,039 (46%)
Prior (07/29) 14,353
Calls: 6,515 (45%)
Puts: 7,838 (55%)
Current vs Prior -39.30%
Calls: -28.27% (Calls)
Puts: -48.47% (Puts)
Prior 7-Day Total 175,056
Calls: 134,409 (77%)
Puts: 40,647 (23%)
Prior 7-Day Average 25,008
Calls: 19,201 (77%)
Puts: 5,806 (23%)
Current vs Prior 7-Day Avg -65.16%
Calls: -75.66%
Puts: -30.44%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/30) $3.83M
Calls: $2.33M (61%)
Puts: $1.51M (39%)
Prior (07/29) $4.63M
Calls: $3.17M (68%)
Puts: $1.46M (32%)
Current vs Prior -17.30%
Calls: -26.62%
Puts: +2.92%
Prior 7-Day Total $41.61M
Calls: $30.24M (73%)
Puts: $11.36M (27%)
Prior 7-Day Average $5.94M
Calls: $4.32M (73%)
Puts: $1.62M (27%)
Current vs Prior 7-Day Avg -35.52%
Calls: -46.13%
Puts: -7.27%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (07/30) 0.86
Prior (07/29) 1.20
Current vs Prior -28.16%
Prior 7-Day Average 0.47
Current vs Prior 7-Day Avg +85.68%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (07/30) 245,941
Calls: 148,778 (60%)
Puts: 97,163 (40%)
Prior (07/29) 237,434
Calls: 147,576 (62%)
Puts: 89,858 (38%)
Current vs Prior +3.58%
Prior 7-Day Total 1,642,314
Calls: 1,016,931 (62%)
Puts: 625,383 (38%)
Prior 7-Day Average 234,616
Calls: 145,275 (62%)
Puts: 89,340 (38%)
Current vs Prior 7-Day Avg +4.83%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 1.90% | 5.43%7.01% | 11.09%
Prior 2.68% | 5.87%7.31% | 11.51%
Current vs Prior -29.12% | -7.44%-4.09% | -3.58%
Prior 7-Day Avg 2.65% | 5.03%7.65% | 11.75%
Current vs 7-Day Avg -28.05% | +7.94%-8.35% | -5.57%
Prior 7-Day Eod 2.68% | 5.87%7.31% | 11.51%
Current vs 7-Day Eod -29.12% | -7.44%-4.09% | -3.58%
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 61% call dollar volume ($2.33M). P/C ratio dropping 28% - sentiment shifting bullish. Call-heavy open interest (148,778 calls vs 97,163 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 NEUTRAL
Prior NEUTRAL
7-Day Avg NEUTRAL
Current NEUTRAL
Prior BEARISH
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 23 of results (avg 8.1%, best 5.1%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$129.00Aug 214.755.00$4.885.1%720.55104
$130.00Aug 214.304.60$4.456.7%1400.514.8K
$137.00Aug 211.751.88$1.827.1%120.28235
$106.00Jul 3122.6524.35$23.507.2%340.903
$104.00Jul 3124.7026.60$25.657.4%90.911
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$133.00Aug 215.706.10$5.906.8%90.60353
$125.00Aug 212.102.25$2.176.9%170.301.7K
$132.00Aug 215.105.50$5.307.5%160.56146
$131.00Aug 214.504.95$4.729.5%10.52--
$127.00Aug 212.763.05$2.9110.0%260.3867

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. 62 found (avg delta 0.74, highest 0.99)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$115.00Jul 3113.1015.35$14.2315.8%30.99--
$110.00Aug 718.2020.80$19.5013.3%10.99--
$110.00Aug 2119.1521.15$20.159.9%10.96753
$125.00Jul 314.255.50$4.8825.6%210.95347
$126.00Jul 313.254.40$3.8330.0%50.95134
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$135.00Jul 314.805.75$5.2818.0%110.9720
$145.00Aug 714.5516.40$15.4812.0%20.96--
$145.00Aug 1414.5516.35$15.4511.7%20.89--
$132.00Jul 311.803.45$2.6362.7%10.85--
$135.00Aug 76.056.80$6.4311.7%80.7211

Most actively traded options today. High liquidity = easy entry/exit. 216 active (total vol 4.1K, top 392)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$138.00Jul 310.000.01$0.01100.0%1680.01724
$135.00Jul 310.010.15$0.08175.0%1670.061.1K
$140.00Jul 310.000.02$0.01200.0%1580.01--
$130.00Jul 310.751.19$0.9745.4%1550.49294
$130.00Aug 214.304.60$4.456.7%1400.514.8K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$120.00Aug 210.971.09$1.0311.7%3920.173.4K
$110.00Aug 210.100.37$0.24112.5%2150.042.5K
$125.00Aug 71.121.88$1.5050.7%1680.27289
$129.00Aug 213.554.05$3.8013.2%510.4512
$119.00Aug 70.270.71$0.4989.8%340.1132

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 47 strikes (avg 74.1%, max 539.2%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$110.00Jul 31Aug 21260.5%40.8%539.2%2936
$115.00Jul 31Aug 21100.0%37.5%166.5%6--
$122.00Jul 31Sep 1180.6%31.9%153.0%1064
$142.00Jul 31Aug 2865.8%32.6%102.0%672.8K
$140.00Jul 31Sep 460.7%32.4%87.3%159--
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$114.00Jul 31Sep 4214.8%34.9%515.6%24
$116.00Jul 31Sep 4194.1%34.1%469.9%92
$122.00Jul 31Sep 1180.6%31.9%153.0%8409
$119.00Jul 31Sep 1179.8%33.3%140.0%2681
$124.00Jul 31Sep 1161.5%31.2%96.9%11145

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 128 found (best R:R 29.00, avg 3.25)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$143.00$145.00Aug 7$0.12$1.88$0.1215.67$143.12
$138.00$140.00Aug 7$0.22$1.78$0.228.09$138.22
$138.00$139.00Sep 4$0.12$0.88$0.127.33$138.12
$140.00$141.00Aug 28$0.13$0.87$0.136.69$140.13
$143.00$144.00Aug 21$0.14$0.86$0.146.14$143.14
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$122.00$119.00Jul 31$0.10$2.90$0.1029.00$121.90
$114.00$110.00Aug 28$0.15$3.85$0.1525.67$113.85
$115.00$110.00Aug 21$0.24$4.76$0.2419.83$114.76
$127.00$125.00Aug 14$0.20$1.80$0.209.00$126.80
$119.00$118.00Sep 4$0.10$0.90$0.109.00$118.90

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 152 found (best R:R 29.77, avg 1.56)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$106.00$110.00Jul 31$3.87$3.87$0.1329.77$109.87
$110.00$119.00Aug 7$8.40$8.40$0.6014.00$118.40
$110.00$115.00Aug 21$4.57$4.57$0.4310.63$114.57
$104.00$105.00Jul 31$0.90$0.90$0.109.00$104.90
$137.00$138.00Sep 4$0.90$0.90$0.109.00$137.90
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$145.00$135.00Aug 7$9.05$9.05$0.959.53$135.95
$135.00$132.00Jul 31$2.65$2.65$0.357.57$132.35
$132.00$131.00Jul 31$0.86$0.86$0.146.14$131.14
$145.00$133.00Aug 14$9.95$9.95$2.054.85$135.05
$131.00$130.00Jul 31$0.75$0.75$0.253.00$130.25

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 43 found (avg debit $1.23, cheapest $0.11)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$144.00Aug 21Aug 28$0.2033.9%32.2%
$142.00Jul 31Aug 7$0.3065.8%42.7%
$145.00Aug 7Aug 21$0.3041.5%32.4%
$141.00Aug 7Aug 14$0.3142.1%36.8%
$143.00Aug 7Aug 21$0.4942.8%34.3%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$110.00Aug 21Aug 28$0.1140.8%38.5%
$115.00Aug 21Aug 28$0.2137.5%35.9%
$117.00Aug 7Aug 14$0.2354.8%44.6%
$121.00Aug 7Aug 14$0.3742.0%36.7%
$133.00Aug 14Aug 21$0.4037.7%33.9%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 47 found (cheapest 1.52% of stock, avg 7.01%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$129.00Jul 31$1.45$0.52$1.97$127.03$130.971.52%
$130.00Jul 31$0.97$1.02$1.99$128.01$131.991.53%
$131.00Jul 31$0.46$1.77$2.23$128.77$133.231.72%
$128.00Jul 31$2.19$0.23$2.42$125.58$130.421.86%
$132.00Jul 31$0.22$2.63$2.85$129.15$134.852.20%
$127.00Jul 31$3.17$0.26$3.43$123.57$130.432.64%
$126.00Jul 31$3.83$0.06$3.89$122.11$129.893.00%
$125.00Jul 31$4.88$0.06$4.94$120.06$129.943.81%
$135.00Jul 31$0.08$5.28$5.36$129.64$140.364.13%
$124.00Jul 31$6.05$0.11$6.16$117.84$130.164.75%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 175 found (cheapest 0.28% of stock, avg 3.65%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$133.00$128.00Jul 31$0.13$0.23$0.36$127.64$133.36
$134.00$128.00Jul 31$0.15$0.23$0.38$127.62$134.38
$133.00$127.00Jul 31$0.13$0.26$0.39$126.61$133.39
$134.00$127.00Jul 31$0.15$0.26$0.41$126.59$134.41
$132.00$128.00Jul 31$0.22$0.23$0.45$127.55$132.45
$132.00$127.00Jul 31$0.22$0.26$0.48$126.52$132.48
$133.00$129.00Jul 31$0.13$0.52$0.65$128.35$133.65
$134.00$129.00Jul 31$0.15$0.52$0.67$128.33$134.67
$131.00$128.00Jul 31$0.46$0.23$0.69$127.31$131.69
$131.00$127.00Jul 31$0.46$0.26$0.72$126.28$131.72

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 273 found (best R:R 9.00, avg credit $1.10)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
116/117128/129Aug 7$0.90$0.109.00$116.10$128.90
121/122125/126Aug 7$0.87$0.136.69$121.13$125.87
127/128130/131Aug 7$0.87$0.136.69$127.13$130.87
127/128129/130Aug 21$0.87$0.136.69$127.13$129.87
127/128129/130Aug 14$0.86$0.146.14$127.14$129.86
123/125138/140Aug 14$1.71$0.295.90$123.29$139.71
129/130134/135Aug 14$0.85$0.155.67$129.15$134.85
117/118134/135Aug 28$0.84$0.165.25$117.16$134.84
121/122130/131Aug 28$0.84$0.165.25$121.16$130.84
119/120130/131Sep 11$0.84$0.165.25$119.16$130.84

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 57 found (best R:R 70.43, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$145.00$150.00$155.00Aug 7$0.07$4.9370.43
$110.00$115.00$120.00Aug 21$0.19$4.8125.32
$140.00$141.00$142.00Aug 28$0.06$0.9415.67
$111.00$112.00$113.00Jul 31$0.09$0.9110.11
$140.00$141.00$142.00Aug 7$0.09$0.9110.11
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$114.00$115.00$116.00Aug 28$0.05$0.9519.00
$129.00$130.00$131.00Aug 21$0.08$0.9211.50
$130.00$131.00$132.00Aug 21$0.08$0.9211.50
$119.00$120.00$121.00Aug 7$0.09$0.9110.11
$118.00$119.00$120.00Aug 21$0.09$0.9110.11

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 $-0.91, 77 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$122.00$130.001:2Sep 11-$0.91$7.09
$115.00$122.001:2Jul 31-$0.27$6.73
$110.00$119.001:2Aug 7-$2.70$6.30
$145.00$150.001:2Aug 7-$0.04$4.96
$150.00$155.001:2Aug 7-$0.14$4.86
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$114.00$106.001:2Jul 31-$1.42$6.58
$115.00$110.001:2Aug 21$0.00$5.00
$131.00$125.001:2Sep 11-$1.03$4.97
$114.00$110.001:2Aug 28-$0.20$3.80
$118.00$115.001:2Aug 21-$0.10$2.90

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 67 found (best yield 3.78%, avg 1.27%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$130.00Sep 11$4.900.500.2%3.78%3.94%1--
$130.00Aug 28$4.600.520.2%3.54%3.71%4--
$131.00Sep 11$4.400.470.9%3.39%4.32%2--
$130.00Aug 21$4.300.510.2%3.31%3.47%1404.8K
$131.00Aug 28$4.200.480.9%3.24%4.17%10565
$132.00Aug 28$3.800.451.7%2.93%4.63%122
$131.00Aug 21$3.500.480.9%2.70%3.63%8501
$130.00Aug 14$3.450.510.2%2.66%2.82%3541
$132.00Aug 21$3.300.441.7%2.54%4.25%10172
$130.00Aug 7$3.150.510.2%2.43%2.59%63170

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 4,673
Total Puts 4,039
Put/Call Ratio 0.86
Net Difference 634

Prior's Put/Call Breakdown

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

Prior 7-Day Put/Call Summary

Total Calls 134,409
Total Puts 40,647
Average Put/Call Ratio 0.47
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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