Tour v509
MKSI
MKS INC
$300.24 -6.39%
$299.01 (-0.41%)🌙
as of 08/18 06:46 PM
(8/17 18:47) ◀
|
Tuesday, August 18, 2026 (6:46pm)
January 2026
|
▶ (8/19 18:45)
◀ 8/18 18:46 ▶

Option Volume

Detail
ℹ
Current (08/18) 1,002
Calls: 314 (31%)
Puts: 688 (69%)
Prior (08/17) 145
Calls: 102 (70%)
Puts: 43 (30%)
Current vs Prior +591.03%
Calls: +207.84% (Calls)
Puts: +1500.00% (Puts)
Prior 7-Day Total 4,254
Calls: 2,274 (53%)
Puts: 1,980 (47%)
Prior 7-Day Average 607
Calls: 324 (53%)
Puts: 282 (47%)
Current vs Prior 7-Day Avg +64.88%
Calls: -3.34%
Puts: +143.23%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (08/18) $2.23M
Calls: $518.7K (23%)
Puts: $1.72M (77%)
Prior (08/17) $230.8K
Calls: $203.4K (88%)
Puts: $27.5K (12%)
Current vs Prior +867.68%
Calls: +155.08%
Puts: +6138.98%
Prior 7-Day Total $7.98M
Calls: $4.52M (57%)
Puts: $3.46M (43%)
Prior 7-Day Average $1.14M
Calls: $645.4K (57%)
Puts: $494.9K (43%)
Current vs Prior 7-Day Avg +95.90%
Calls: -19.63%
Puts: +246.56%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (08/18) 2.19
Prior (08/17) 0.42
Current vs Prior +419.75%
Prior 7-Day Average 1.01
Current vs Prior 7-Day Avg +116.22%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (08/18) 5,138
Calls: 1,875 (36%)
Puts: 3,263 (64%)
Prior (08/17) 3,574
Calls: 1,925 (54%)
Puts: 1,649 (46%)
Current vs Prior +43.76%
Prior 7-Day Total 29,924
Calls: 16,436 (55%)
Puts: 13,488 (45%)
Prior 7-Day Average 4,274
Calls: 2,348 (55%)
Puts: 1,926 (45%)
Current vs Prior 7-Day Avg +20.19%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (09/18)Expiry (08/21) | Next (09/18)
Current 7.33% | 16.97%7.33% | 16.97%
Prior 7.69% | 16.87%7.69% | 16.87%
Current vs Prior -4.66% | +0.61%-4.66% | +0.61%
Prior 7-Day Avg 10.44% | 19.01%10.44% | 19.01%
Current vs 7-Day Avg -29.83% | -10.75%-29.83% | -10.75%
Prior 7-Day Eod 7.69% | 16.87%7.69% | 16.87%
Current vs 7-Day Eod -4.66% | +0.61%-4.66% | +0.61%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 8.38% | 5.69%
Calls: 6.08% | 4.78%
Puts: 10.68% | 6.60%
Prior 8.38% | 5.69%
Calls: 6.08% | 4.78%
Puts: 10.68% | 6.60%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 8.38% | 5.69%
Calls: 6.08% | 4.78%
Puts: 10.68% | 6.60%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Pricy
+
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🤖 AI Insights

Strong bearish conviction with 77% of dollar volume in puts ($1.72M) vs calls ($518.7K). Massive premium surge with dollar volume up 868% vs prior. Dollar volume significantly above 7-day average (96% higher). Unusually high activity with volume up 591% vs prior - elevated interest.

Smart Money BEARISH
Retail Flow BEARISH
Overall BEARISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BEARISH
Prior BULLISH
7-Day Avg BULLISH
Current BEARISH
Prior BULLISH
7-Day Avg NEUTRAL
Current BEARISH
Prior BULLISH
7-Day Avg NEUTRAL
Current BEARISH
Prior NEUTRAL
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 6.0%, best 4.8%)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$260.00Sep 1846.1048.90$47.505.9%20.80--
PUTS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$360.00Aug 2158.9061.80$60.354.8%10.92--
$350.00Aug 2148.8051.80$50.306.0%10.9124
$340.00Sep 1847.5050.60$49.056.3%2500.713
$330.00Sep 1840.0042.80$41.406.8%10.66--

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. 8 found (avg delta 0.72, highest 0.92)

CALLS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$260.00Sep 1846.1048.90$47.505.9%20.80--
$300.00Sep 1821.4024.50$22.9513.5%40.5412
$300.00Aug 216.409.50$7.9539.0%20.51--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$360.00Aug 2158.9061.80$60.354.8%10.92--
$350.00Aug 2148.8051.80$50.306.0%10.9124
$340.00Sep 1847.5050.60$49.056.3%2500.713
$310.00Aug 2113.0015.10$14.0514.9%20.69361
$330.00Sep 1840.0042.80$41.406.8%10.66--

Most actively traded options today. High liquidity = easy entry/exit. 25 active (total vol 460, top 250)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$360.00Sep 184.207.70$5.9558.8%50.20--
$320.00Aug 210.102.20$1.15182.6%40.13110
$300.00Sep 1821.4024.50$22.9513.5%40.5412
$340.00Sep 187.7011.20$9.4537.0%30.29--
$300.00Aug 216.409.50$7.9539.0%20.51--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$340.00Sep 1847.5050.60$49.056.3%2500.713
$270.00Aug 210.251.65$0.95147.4%1530.09662
$250.00Sep 183.306.00$4.6558.1%130.14405
$300.00Aug 216.5010.00$8.2542.4%40.49494
$290.00Aug 212.855.60$4.2265.2%30.31151

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 2 strikes (avg 20.1%, max 20.1%)

CALLS (1)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$300.00Aug 21Sep 1876.0%63.3%20.1%612
PUTS (1)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$300.00Aug 21Sep 1876.0%63.3%20.1%6830

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 16 found (best R:R 0.63, avg 2.31)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$260.00$300.00Sep 18$24.55$15.45$24.5580%0.63$284.55
$320.00$340.00Sep 18$5.50$14.50$5.5040%2.64$325.50
$310.00$320.00Sep 18$3.55$6.45$3.5547%1.82$313.55
$350.00$360.00Sep 18$1.50$8.50$1.5024%5.67$351.50
$300.00$310.00Sep 18$4.45$5.55$4.4554%1.25$304.45
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$310.00$300.00Aug 21$5.80$4.20$5.8069%0.72$304.20
$300.00$290.00Aug 21$4.03$5.97$4.0349%1.48$295.97
$270.00$260.00Sep 18$2.65$7.35$2.6526%2.77$267.35
$280.00$270.00Sep 18$3.50$6.50$3.5032%1.86$276.50
$290.00$270.00Aug 21$3.27$16.73$3.2731%5.12$286.73

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 11 found (best R:R 0.76, avg 0.42)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$310.00$320.00Aug 21$2.60$2.60$7.4069%0.35$312.60
$340.00$350.00Sep 18$2.00$2.00$8.0071%0.25$342.00
$350.00$360.00Sep 18$1.50$1.50$8.5076%0.18$351.50
$310.00$320.00Sep 18$3.55$3.55$6.4553%0.55$313.55
$320.00$340.00Sep 18$5.50$5.50$14.5060%0.38$325.50
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$300.00$280.00Sep 18$8.65$8.65$11.3554%0.76$291.35
$260.00$250.00Sep 18$2.55$2.55$7.4580%0.34$257.45
$290.00$270.00Aug 21$3.27$3.27$16.7369%0.20$286.73
$280.00$270.00Sep 18$3.50$3.50$6.5068%0.54$276.50
$270.00$260.00Sep 18$2.65$2.65$7.3574%0.36$267.35

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 3 found (avg debit $14.50, cheapest $13.75)

CALLS (2)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$300.00Aug 21Sep 18$15.0076.0%63.3%
$310.00Aug 21Sep 18$14.7572.4%65.5%
PUTS (1)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$300.00Aug 21Sep 18$13.7576.0%63.3%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 3 found (cheapest 5.40% of stock, avg 8.77%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$300.00Aug 21$7.95$8.25$16.20$283.80$316.205.40%
$310.00Aug 21$3.75$14.05$17.80$292.20$327.805.93%
$300.00Sep 18$22.95$22.00$44.95$255.05$344.9514.97%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 37 found (cheapest 0.70% of stock, avg 5.79%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$320.00$270.00Aug 21$1.15$0.95$2.10$267.90$322.10
$340.00$270.00Aug 21$1.33$0.95$2.28$267.72$342.28
$330.00$270.00Aug 21$1.40$0.95$2.35$267.65$332.35
$310.00$270.00Aug 21$3.75$0.95$4.70$265.30$314.70
$320.00$290.00Aug 21$1.15$4.22$5.37$284.63$325.37
$330.00$290.00Aug 21$1.40$4.22$5.62$284.38$335.62
$340.00$290.00Aug 21$1.33$4.22$5.55$284.45$345.55
$310.00$290.00Aug 21$3.75$4.22$7.97$282.03$317.97
$360.00$250.00Sep 18$5.95$4.65$10.60$239.40$370.60
$360.00$260.00Sep 18$5.95$7.20$13.15$246.85$373.15

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 7 found (best R:R 0.83, avg credit $4.82)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
250/260340/350Sep 18$4.55$5.4551%0.83$255.45$344.55
250/260350/360Sep 18$4.05$5.9556%0.68$255.95$354.05
270/280340/350Sep 18$5.50$4.5039%1.22$274.50$345.50
270/280350/360Sep 18$5.00$5.0044%1.00$275.00$355.00
260/270340/350Sep 18$4.65$5.3545%0.87$265.35$344.65
260/270350/360Sep 18$4.15$5.8550%0.71$265.85$354.15
270/290310/320Aug 21$5.87$14.1338%0.42$284.13$315.87

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 7 found (best R:R 5.25, cheapest $0.10)

CALLS (4)
LowMidHighExpiryDebitMax GainPOPR:R
$300.00$310.00$320.00Aug 21$1.60$8.4037%5.25
$340.00$350.00$360.00Sep 18$0.50$9.509%19.00
$300.00$310.00$320.00Sep 18$0.90$9.1013%10.11
$310.00$320.00$330.00Aug 21$2.85$7.1519%2.51
PUTS (3)
LowMidHighExpiryDebitMax GainPOPR:R
$290.00$300.00$310.00Aug 21$1.77$8.2338%4.65
$250.00$260.00$270.00Sep 18$0.10$9.9011%99.00
$260.00$270.00$280.00Sep 18$0.85$9.1512%10.76

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 17 found (best net $-2.60, 12 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$320.00$340.001:2Sep 18-$3.95$16.05
$330.00$340.001:2Aug 21-$1.26$8.74
$320.00$330.001:2Aug 21-$1.65$8.35
$350.00$360.001:2Sep 18-$4.45$5.55
$340.00$350.001:2Sep 18-$5.45$4.55
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$330.00$300.001:2Sep 18-$2.60$27.40
$310.00$300.001:2Aug 21-$2.45$7.55
$300.00$290.001:2Aug 21-$0.19$9.81
$300.00$280.001:2Sep 18-$4.70$15.30
$260.00$250.001:2Sep 18-$2.10$7.90

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 7 found (best yield 5.56%, avg 2.36%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$310.00Sep 18$16.700.473.2%5.56%8.81%1--
$320.00Sep 18$13.200.406.6%4.40%10.98%1--
$340.00Sep 18$7.700.2913.2%2.56%15.81%3--
$350.00Sep 18$5.600.2416.6%1.87%18.44%1110
$360.00Sep 18$4.200.2019.9%1.40%21.30%5--
$310.00Aug 21$2.000.313.2%0.67%3.92%1--
$320.00Aug 21$0.100.136.6%0.03%6.61%4110

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 314
Total Puts 688
Put/Call Ratio 2.19
Net Difference -374

Prior's Put/Call Breakdown

Total Calls 102
Total Puts 43
Put/Call Ratio 0.42
Net Difference 59

Prior 7-Day Put/Call Summary

Total Calls 2,274
Total Puts 1,980
Average Put/Call Ratio 1.01
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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