Tour v531
GH
GUARDANT HEALTH INC
$166.66 +2.50%
$166.51 (-0.09%)🌙
as of 10/21 06:25 PM
(10/20 18:21) ◀
|
Wednesday, October 21, 2026 (6:25pm)
January 2026
|
▶ (10/22 18:29)
◀ 10/21 18:25 ▶

Option Volume

Detail
ℹ
Current (10/21) 469
Calls: 289 (62%)
Puts: 180 (38%)
Prior (10/20) 796
Calls: 744 (93%)
Puts: 52 (7%)
Current vs Prior -41.08%
Calls: -61.16% (Calls)
Puts: +246.15% (Puts)
Prior 7-Day Total 10,788
Calls: 4,509 (42%)
Puts: 6,279 (58%)
Prior 7-Day Average 1,541
Calls: 644 (42%)
Puts: 897 (58%)
Current vs Prior 7-Day Avg -69.57%
Calls: -55.13%
Puts: -79.93%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (10/21) $424.5K
Calls: $298.6K (70%)
Puts: $126.0K (30%)
Prior (10/20) $1.24M
Calls: $1.21M (98%)
Puts: $28.6K (2%)
Current vs Prior -65.75%
Calls: -75.35%
Puts: +340.63%
Prior 7-Day Total $8.80M
Calls: $4.94M (56%)
Puts: $3.87M (44%)
Prior 7-Day Average $1.26M
Calls: $705.1K (56%)
Puts: $552.1K (44%)
Current vs Prior 7-Day Avg -66.23%
Calls: -57.66%
Puts: -77.18%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (10/21) 0.62
Prior (10/20) 0.07
Current vs Prior +791.14%
Prior 7-Day Average 1.87
Current vs Prior 7-Day Avg -66.65%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (10/21) 5,864
Calls: 1,745 (30%)
Puts: 4,119 (70%)
Prior (10/20) 3,176
Calls: 1,291 (41%)
Puts: 1,885 (59%)
Current vs Prior +84.63%
Prior 7-Day Total 58,350
Calls: 27,698 (47%)
Puts: 30,652 (53%)
Prior 7-Day Average 8,335
Calls: 3,956 (47%)
Puts: 4,378 (53%)
Current vs Prior 7-Day Avg -29.65%
Sentiment BULLISH

Expected Move

Detail
ℹ
Expiry (11/20) | Next (12/18)
Current 17.79% | 21.06%
Prior 17.99% | 21.19%
Current vs Prior -1.11% | -0.60%
Prior 7-Day Avg 11.64% | 19.97%
Current vs 7-Day Avg +52.87% | +5.49%
Prior 7-Day Eod 17.99% | 21.19%
Current vs 7-Day Eod -1.11% | -0.60%
Sentiment BULLISH

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 70% call dollar volume ($298.6K). Light premium activity with dollar volume down 66% vs prior. Below-average activity with volume down 41% vs prior. Bullish P/C ratio of 0.62.

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 BEARISH
Prior BEARISH
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. 3 found (avg delta 0.57, highest 0.62)

CALLS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Nov 2015.5019.20$17.3521.3%30.62--
$165.00Nov 2012.8016.60$14.7025.9%30.57102
$170.00Nov 2010.4014.30$12.3531.6%320.5160
PUTS (0)
No puts meet the criteria

Most actively traded options today. High liquidity = easy entry/exit. 17 active (total vol 345, top 97)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Nov 206.5010.50$8.5047.1%970.4069
$185.00Nov 204.908.90$6.9058.0%370.34476
$170.00Nov 2010.4014.30$12.3531.6%320.5160
$200.00Nov 203.404.40$3.9025.6%250.2280
$190.00Nov 203.607.60$5.6071.4%130.29101
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Nov 208.0012.00$10.0040.0%490.381.7K
$130.00Nov 200.703.60$2.15134.9%200.112.1K
$140.00Nov 202.255.50$3.8883.8%200.1898
$165.00Nov 2010.3013.90$12.1029.8%110.44--
$170.00Nov 2013.0016.90$14.9526.1%100.4940

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

No setups found for this strategy

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 15 found (best R:R 6.69, avg 2.60)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$195.00$200.00Nov 20$0.65$4.35$0.6525%6.69$195.65
$170.00$175.00Nov 20$2.00$3.00$2.0051%1.50$172.00
$160.00$165.00Nov 20$2.65$2.35$2.6562%0.89$162.65
$165.00$170.00Nov 20$2.35$2.65$2.3557%1.13$167.35
$190.00$195.00Nov 20$1.05$3.95$1.0530%3.76$191.05
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$165.00$160.00Nov 20$2.10$2.90$2.1044%1.38$162.90
$140.00$135.00Nov 20$0.91$4.09$0.9118%4.49$139.09
$150.00$140.00Nov 20$2.22$7.78$2.2226%3.50$147.78
$135.00$130.00Nov 20$0.82$4.18$0.8214%5.10$134.18
$155.00$150.00Nov 20$1.75$3.25$1.7532%1.86$153.25

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 12 found (best R:R 0.75, avg 0.43)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$180.00$185.00Nov 20$1.60$1.60$3.4060%0.47$181.60
$175.00$180.00Nov 20$1.85$1.85$3.1555%0.59$176.85
$185.00$190.00Nov 20$1.30$1.30$3.7066%0.35$186.30
$190.00$195.00Nov 20$1.05$1.05$3.9570%0.27$191.05
$170.00$175.00Nov 20$2.00$2.00$3.0049%0.67$172.00
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$160.00$155.00Nov 20$2.15$2.15$2.8562%0.75$157.85
$155.00$150.00Nov 20$1.75$1.75$3.2568%0.54$153.25
$135.00$130.00Nov 20$0.82$0.82$4.1886%0.20$134.18
$150.00$140.00Nov 20$2.22$2.22$7.7874%0.29$147.78
$140.00$135.00Nov 20$0.91$0.91$4.0982%0.22$139.09

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

No setups found for this strategy

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 3 found (cheapest 16.08% of stock, avg 16.29%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$165.00Nov 20$14.70$12.10$26.80$138.20$191.8016.08%
$170.00Nov 20$12.35$14.95$27.30$142.70$197.3016.38%
$160.00Nov 20$17.35$10.00$27.35$132.65$187.3516.41%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 25 found (cheapest 6.39% of stock, avg 10.43%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$195.00$150.00Nov 20$4.55$6.10$10.65$139.35$205.65
$190.00$150.00Nov 20$5.60$6.10$11.70$138.30$201.70
$195.00$155.00Nov 20$4.55$7.85$12.40$142.60$207.40
$190.00$155.00Nov 20$5.60$7.85$13.45$141.55$203.45
$185.00$150.00Nov 20$6.90$6.10$13.00$137.00$198.00
$185.00$155.00Nov 20$6.90$7.85$14.75$140.25$199.75
$195.00$160.00Nov 20$4.55$10.00$14.55$145.45$209.55
$180.00$150.00Nov 20$8.50$6.10$14.60$135.40$194.60
$190.00$160.00Nov 20$5.60$10.00$15.60$144.40$205.60
$185.00$160.00Nov 20$6.90$10.00$16.90$143.10$201.90

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 12 found (best R:R 1.56, avg credit $2.43)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
150/155185/190Nov 20$3.05$1.9534%1.56$151.95$188.05
150/155190/195Nov 20$2.80$2.2038%1.27$152.20$192.80
130/135185/190Nov 20$2.12$2.8852%0.74$132.88$187.12
130/135190/195Nov 20$1.87$3.1356%0.60$133.13$191.87
135/140185/190Nov 20$2.21$2.7948%0.79$137.79$187.21
135/140190/195Nov 20$1.96$3.0453%0.64$138.04$191.96
150/155195/200Nov 20$2.40$2.6043%0.92$152.60$197.40
130/135195/200Nov 20$1.47$3.5361%0.42$133.53$196.47
135/140195/200Nov 20$1.56$3.4457%0.45$138.44$196.56
140/150195/200Nov 20$2.87$7.1348%0.40$147.13$197.87

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 10 found (best R:R 32.33, cheapest $0.09)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$170.00$175.00$180.00Nov 20$0.15$4.8511%32.33
$175.00$180.00$185.00Nov 20$0.25$4.7511%19.00
$160.00$165.00$170.00Nov 20$0.30$4.7012%15.67
$185.00$190.00$195.00Nov 20$0.25$4.759%19.00
$180.00$185.00$190.00Nov 20$0.30$4.7010%15.67
PUTS (3)
LowMidHighExpiryDebitMax GainPOPR:R
$130.00$135.00$140.00Nov 20$0.09$4.917%54.56
$150.00$155.00$160.00Nov 20$0.40$4.6011%11.50
$160.00$165.00$170.00Nov 20$0.75$4.2512%5.67

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 7 found (best net $-1.66, 7 credits)

CALLS (3)
Buy KSell KRatioExpiryNetMax Gain
$195.00$200.001:2Nov 20-$3.25$1.75
$190.00$195.001:2Nov 20-$3.50$1.50
$185.00$190.001:2Nov 20-$4.30$0.70
PUTS (4)
Buy KSell KRatioExpiryNetMax Gain
$150.00$140.001:2Nov 20-$1.66$8.34
$135.00$130.001:2Nov 20-$1.33$3.67
$140.00$135.001:2Nov 20-$2.06$2.94
$155.00$150.001:2Nov 20-$4.35$0.65

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 7 found (best yield 5.04%, avg 3.41%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$175.00Nov 20$8.400.455.0%5.04%10.04%11109
$170.00Nov 20$10.400.512.0%6.24%8.24%3260
$180.00Nov 20$6.500.408.0%3.90%11.90%9769
$185.00Nov 20$4.900.3411.0%2.94%13.94%37476
$200.00Nov 20$3.400.2220.0%2.04%22.04%2580
$190.00Nov 20$3.600.2914.0%2.16%16.16%13101
$195.00Nov 20$2.600.2517.0%1.56%18.56%348

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 289
Total Puts 180
Put/Call Ratio 0.62
Net Difference 109

Prior's Put/Call Breakdown

Total Calls 744
Total Puts 52
Put/Call Ratio 0.07
Net Difference 692

Prior 7-Day Put/Call Summary

Total Calls 4,509
Total Puts 6,279
Average Put/Call Ratio 1.87
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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