Tour v509
GH
GUARDANT HEALTH INC
$160.12 -0.96%
$159.05 (-0.67%)🌙
as of 08/18 06:33 PM
(8/17 18:32) ◀
|
Tuesday, August 18, 2026 (6:33pm)
January 2026
|
▶ (8/19 18:32)
◀ 8/18 18:33 ▶

Option Volume

Detail
ℹ
Current (08/18) 167
Calls: 116 (69%)
Puts: 51 (31%)
Prior (08/17) 583
Calls: 490 (84%)
Puts: 93 (16%)
Current vs Prior -71.36%
Calls: -76.33% (Calls)
Puts: -45.16% (Puts)
Prior 7-Day Total 5,036
Calls: 3,658 (73%)
Puts: 1,378 (27%)
Prior 7-Day Average 719
Calls: 522 (73%)
Puts: 196 (27%)
Current vs Prior 7-Day Avg -76.79%
Calls: -77.80%
Puts: -74.09%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/18) $148.2K
Calls: $108.2K (73%)
Puts: $40.0K (27%)
Prior (08/17) $242.8K
Calls: $191.0K (79%)
Puts: $51.8K (21%)
Current vs Prior -38.96%
Calls: -43.36%
Puts: -22.76%
Prior 7-Day Total $4.47M
Calls: $3.08M (69%)
Puts: $1.38M (31%)
Prior 7-Day Average $638.2K
Calls: $440.5K (69%)
Puts: $197.7K (31%)
Current vs Prior 7-Day Avg -76.77%
Calls: -75.44%
Puts: -79.75%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/18) 0.44
Prior (08/17) 0.19
Current vs Prior +131.65%
Prior 7-Day Average 0.51
Current vs Prior 7-Day Avg -14.10%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/18) 2,818
Calls: 2,318 (82%)
Puts: 500 (18%)
Prior (08/17) 3,209
Calls: 2,482 (77%)
Puts: 727 (23%)
Current vs Prior -12.18%
Prior 7-Day Total 34,168
Calls: 20,544 (60%)
Puts: 13,624 (40%)
Prior 7-Day Average 4,881
Calls: 2,934 (60%)
Puts: 1,946 (40%)
Current vs Prior 7-Day Avg -42.27%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (09/18)Expiry (08/21) | Next (09/18)
Current 5.58% | 12.24%5.58% | 12.24%
Prior 5.83% | 12.46%5.83% | 12.46%
Current vs Prior -4.39% | -1.79%-4.39% | -1.79%
Prior 7-Day Avg 7.49% | 13.59%7.49% | 13.59%
Current vs 7-Day Avg -25.49% | -9.94%-25.49% | -9.94%
Prior 7-Day Eod 5.83% | 12.46%5.83% | 12.46%
Current vs 7-Day Eod -4.39% | -1.79%-4.39% | -1.79%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 10.39% | 12.37%
Calls: 8.76% | 9.82%
Puts: 12.03% | 14.91%
Prior 10.39% | 12.37%
Calls: 8.76% | 9.82%
Puts: 12.03% | 14.91%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 10.39% | 12.37%
Calls: 8.76% | 9.82%
Puts: 12.03% | 14.91%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bullish flow with 73% call dollar volume ($108.2K). Below-average activity with volume down 71% vs prior. Extreme bullish P/C ratio of 0.44 - heavy call buying (116 calls vs 51 puts). P/C ratio rising 132% - increased hedging/bearish 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 BULLISH
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 -- of results (avg --%, best --%)

No options available for this category

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. 4 found (avg delta 0.78, highest 0.91)

CALLS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$140.00Aug 2118.4022.30$20.3519.2%20.91--
$150.00Aug 218.5012.60$10.5538.9%120.87151
$140.00Sep 1820.5024.60$22.5518.2%20.83--
$160.00Aug 211.254.90$3.08118.5%30.51237
PUTS (0)
No puts meet the criteria

Most actively traded options today. High liquidity = easy entry/exit. 22 active (total vol 101, top 35)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$170.00Aug 210.051.50$0.78185.9%350.16495
$150.00Aug 218.5012.60$10.5538.9%120.87151
$175.00Aug 210.000.20$0.10200.0%90.03124
$160.00Aug 211.254.90$3.08118.5%30.51237
$165.00Aug 210.002.95$1.48199.3%30.2997
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Aug 211.204.70$2.95118.6%90.49292
$145.00Sep 181.854.60$3.2285.4%50.2218
$155.00Sep 184.107.70$5.9061.0%40.3881
$135.00Sep 180.002.65$1.33199.2%30.116
$150.00Aug 210.001.30$0.65200.0%20.13--

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 3 strikes (avg 30.2%, max 41.0%)

CALLS (1)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$165.00Aug 21Sep 1858.3%44.9%30.0%6117
PUTS (2)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$155.00Aug 21Sep 1863.7%45.2%41.0%581
$160.00Aug 21Sep 1852.4%43.7%19.7%10292

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 14 found (best R:R 0.54, avg 4.55)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$140.00$165.00Sep 18$16.25$8.75$16.2583%0.54$156.25
$160.00$165.00Aug 21$1.60$3.40$1.6051%2.12$161.60
$180.00$190.00Sep 18$1.02$8.98$1.0220%8.80$181.02
$165.00$170.00Aug 21$0.70$4.30$0.7029%6.14$165.70
$175.00$180.00Sep 18$0.88$4.12$0.8826%4.68$175.88
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$160.00$155.00Aug 21$1.35$3.65$1.3549%2.70$158.65
$145.00$140.00Sep 18$0.87$4.13$0.8722%4.75$144.13
$150.00$145.00Aug 21$0.35$4.65$0.3513%13.29$149.65
$160.00$155.00Sep 18$2.10$2.90$2.1047%1.38$157.90
$155.00$145.00Sep 18$2.68$7.32$2.6838%2.73$152.32

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 12 found (best R:R 0.16, avg 0.28)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$170.00$175.00Aug 21$0.68$0.68$4.3284%0.16$170.68
$165.00$175.00Sep 18$3.27$3.27$6.7356%0.49$168.27
$175.00$180.00Sep 18$0.88$0.88$4.1274%0.21$175.88
$165.00$170.00Aug 21$0.70$0.70$4.3071%0.16$165.70
$180.00$190.00Sep 18$1.02$1.02$8.9880%0.11$181.02
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$140.00$135.00Sep 18$1.02$1.02$3.9883%0.26$138.98
$155.00$150.00Aug 21$0.95$0.95$4.0572%0.23$154.05
$155.00$145.00Sep 18$2.68$2.68$7.3262%0.37$152.32
$160.00$155.00Sep 18$2.10$2.10$2.9053%0.72$157.90
$150.00$145.00Aug 21$0.35$0.35$4.6587%0.08$149.65

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 1 found (avg debit $5.05, cheapest $5.05)

CALLS (0)
No calls found
PUTS (1)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$160.00Aug 21Sep 18$5.0552.4%43.7%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 2 found (cheapest 3.77% of stock, avg 5.38%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$160.00Aug 21$3.08$2.95$6.03$153.97$166.033.77%
$150.00Aug 21$10.55$0.65$11.20$138.80$161.206.99%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 28 found (cheapest 0.67% of stock, avg 3.71%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$170.00$145.00Aug 21$0.78$0.30$1.08$143.92$171.08
$170.00$150.00Aug 21$0.78$0.65$1.43$148.57$171.43
$165.00$145.00Aug 21$1.48$0.30$1.78$143.22$166.78
$190.00$135.00Sep 18$1.13$1.33$2.46$132.54$192.46
$165.00$150.00Aug 21$1.48$0.65$2.13$147.87$167.13
$170.00$155.00Aug 21$0.78$1.60$2.38$152.62$172.38
$165.00$155.00Aug 21$1.48$1.60$3.08$151.92$168.08
$190.00$140.00Sep 18$1.13$2.35$3.48$136.52$193.48
$180.00$135.00Sep 18$2.15$1.33$3.48$131.52$183.48
$180.00$140.00Sep 18$2.15$2.35$4.50$135.50$184.50

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 8 found (best R:R 0.61, avg credit $1.62)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
135/140175/180Sep 18$1.90$3.1057%0.61$138.10$176.90
145/150170/175Aug 21$1.03$3.9771%0.26$148.97$171.03
150/155170/175Aug 21$1.63$3.3756%0.48$153.37$171.63
140/145175/180Sep 18$1.75$3.2551%0.54$143.25$176.75
145/150165/170Aug 21$1.05$3.9558%0.27$148.95$166.05
150/155165/170Aug 21$1.65$3.3543%0.49$153.35$166.65
135/140180/190Sep 18$2.04$7.9663%0.26$137.96$182.04
140/145180/190Sep 18$1.89$8.1158%0.23$143.11$181.89

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 5 found (best R:R 11.50, cheapest $0.40)

CALLS (3)
LowMidHighExpiryDebitMax GainPOPR:R
$160.00$165.00$170.00Aug 21$0.90$4.1035%4.56
$140.00$150.00$160.00Aug 21$2.33$7.6740%3.29
$170.00$175.00$180.00Aug 21$0.71$4.2913%6.04
PUTS (2)
LowMidHighExpiryDebitMax GainPOPR:R
$150.00$155.00$160.00Aug 21$0.40$4.6035%11.50
$145.00$150.00$155.00Aug 21$0.60$4.4021%7.33

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 18 found (best net $-0.75, 11 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$140.00$150.001:2Aug 21-$0.75$9.25
$180.00$190.001:2Sep 18-$0.11$9.89
$165.00$170.001:2Aug 21-$0.08$4.92
$175.00$180.001:2Aug 21-$0.16$4.84
$180.00$185.001:2Aug 21-$0.27$4.73
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$155.00$145.001:2Sep 18-$0.54$9.46
$160.00$155.001:2Aug 21-$0.25$4.75
$140.00$135.001:2Sep 18-$0.31$4.69
$145.00$140.001:2Sep 18-$1.48$3.52
$160.00$155.001:2Sep 18-$3.80$1.20

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 3 found (best yield 3.06%, avg 1.45%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$165.00Sep 18$4.900.443.0%3.06%6.11%320
$175.00Sep 18$1.550.269.3%0.97%10.26%117
$180.00Sep 18$0.500.2012.4%0.31%12.73%1264

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 116
Total Puts 51
Put/Call Ratio 0.44
Net Difference 65

Prior's Put/Call Breakdown

Total Calls 490
Total Puts 93
Put/Call Ratio 0.19
Net Difference 397

Prior 7-Day Put/Call Summary

Total Calls 3,658
Total Puts 1,378
Average Put/Call Ratio 0.51
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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