Tour v526
GH
GUARDANT HEALTH INC
$170.69 +1.67%
$168.60 (-1.22%)🌙
as of 08/21 06:34 PM
(8/20 18:34) ◀
|
Friday, August 21, 2026 (6:34pm)
January 2026
|
▶ (8/25 18:33)
◀ 8/21 18:34 ▶

Option Volume

Detail
ℹ
Current (08/21) 1,125
Calls: 857 (76%)
Puts: 268 (24%)
Prior (08/20) 1,196
Calls: 882 (74%)
Puts: 314 (26%)
Current vs Prior -5.94%
Calls: -2.83% (Calls)
Puts: -14.65% (Puts)
Prior 7-Day Total 4,804
Calls: 3,092 (64%)
Puts: 1,712 (36%)
Prior 7-Day Average 686
Calls: 441 (64%)
Puts: 244 (36%)
Current vs Prior 7-Day Avg +63.93%
Calls: +94.02%
Puts: +9.58%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/21) $931.5K
Calls: $806.3K (87%)
Puts: $125.2K (13%)
Prior (08/20) $1.39M
Calls: $1.23M (88%)
Puts: $164.5K (12%)
Current vs Prior -32.99%
Calls: -34.22%
Puts: -23.89%
Prior 7-Day Total $3.82M
Calls: $2.47M (65%)
Puts: $1.35M (35%)
Prior 7-Day Average $546.1K
Calls: $353.3K (65%)
Puts: $192.8K (35%)
Current vs Prior 7-Day Avg +70.57%
Calls: +128.24%
Puts: -35.07%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/21) 0.31
Prior (08/20) 0.36
Current vs Prior -12.16%
Prior 7-Day Average 0.67
Current vs Prior 7-Day Avg -53.59%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (08/21) 3,561
Calls: 3,043 (85%)
Puts: 518 (15%)
Prior (08/20) 5,249
Calls: 4,029 (77%)
Puts: 1,220 (23%)
Current vs Prior -32.16%
Prior 7-Day Total 31,863
Calls: 18,822 (59%)
Puts: 13,041 (41%)
Prior 7-Day Average 4,551
Calls: 2,688 (59%)
Puts: 1,863 (41%)
Current vs Prior 7-Day Avg -21.77%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (09/18)Expiry (08/21) | Next (09/18)
Current 3.37% | 11.89%3.37% | 11.89%
Prior 4.36% | 12.57%4.36% | 12.57%
Current vs Prior +172.76% | +32.61%-22.74% | -5.38%
Prior 7-Day Avg 6.08% | 12.79%6.08% | 12.79%
Current vs 7-Day Avg +95.72% | +30.37%-44.56% | -6.98%
Prior 7-Day Eod 4.36% | 12.57%4.36% | 12.57%
Current vs 7-Day Eod +172.76% | +32.61%-22.74% | -5.38%
Sentiment BEARISHBULLISH

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

Strong bullish conviction with 87% of dollar volume in calls ($806.3K) vs puts ($125.2K). Dollar volume significantly above 7-day average (71% higher). Extreme bullish P/C ratio of 0.31 - heavy call buying (857 calls vs 268 puts). Call-heavy open interest (3,043 calls vs 518 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 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 2 of results (avg 9.3%, best 9.1%)

CALLS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$150.00Sep 1822.1024.20$23.159.1%310.8324
$140.00Sep 1829.7032.70$31.209.6%20.916
PUTS (0)
No puts meet the criteria

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. 13 found (avg delta 0.81, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$150.00Aug 2118.7021.90$20.3015.8%41.00139
$155.00Aug 2113.7016.60$15.1519.1%71.0085
$140.00Sep 1829.7032.70$31.209.6%20.916
$140.00Aug 2128.4031.80$30.1011.3%30.91--
$145.00Aug 2123.4026.70$25.0513.2%20.90133
PUTS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Sep 1812.6016.00$14.3023.8%50.65--

Most actively traded options today. High liquidity = easy entry/exit. 25 active (total vol 1.0K, top 347)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$170.00Aug 210.001.60$0.80200.0%3470.70444
$170.00Sep 188.509.60$9.0512.2%1240.5348
$160.00Aug 218.4011.60$10.0032.0%1090.83217
$150.00Sep 1822.1024.20$23.159.1%310.8324
$155.00Sep 1816.8020.20$18.5018.4%310.7918
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Sep 182.756.30$4.5378.4%2060.3012
$150.00Sep 181.803.30$2.5558.8%210.1891
$145.00Sep 181.102.75$1.9385.5%160.13--
$180.00Sep 1812.6016.00$14.3023.8%50.65--
$155.00Sep 181.354.40$2.88105.9%40.2283

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 1250.7%, max 1813.8%)

CALLS (2)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$160.00Aug 21Sep 18908.0%47.4%1813.8%112283
$170.00Aug 21Sep 18102.6%45.7%124.6%471492
PUTS (1)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$160.00Aug 21Sep 18908.0%47.4%1813.8%208291

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 12 found (best R:R 9.87, avg 6.80)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$190.00$200.00Sep 18$0.92$9.08$0.9222%9.87$190.92
$170.00$175.00Aug 21$0.55$4.45$0.5570%8.09$170.55
$180.00$185.00Sep 18$1.10$3.90$1.1035%3.55$181.10
$160.00$170.00Sep 18$5.95$4.05$5.9570%0.68$165.95
$185.00$190.00Sep 18$1.00$4.00$1.0028%4.00$186.00
BEAR PUT (4)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$155.00$150.00Sep 18$0.33$4.67$0.3322%14.15$154.67
$150.00$145.00Sep 18$0.62$4.38$0.6218%7.06$149.38
$180.00$160.00Sep 18$9.77$10.23$9.7765%1.05$170.23
$160.00$155.00Sep 18$1.65$3.35$1.6530%2.03$158.35

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 8 found (best R:R 0.49, avg 0.25)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$175.00$180.00Sep 18$1.95$1.95$3.0556%0.64$176.95
$175.00$180.00Aug 21$0.17$0.17$4.8387%0.04$175.17
$185.00$190.00Sep 18$1.00$1.00$4.0072%0.25$186.00
$180.00$185.00Sep 18$1.10$1.10$3.9065%0.28$181.10
$190.00$200.00Sep 18$0.92$0.92$9.0878%0.10$190.92
BULL PUT (3)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$160.00$155.00Sep 18$1.65$1.65$3.3570%0.49$158.35
$150.00$145.00Sep 18$0.62$0.62$4.3882%0.14$149.38
$155.00$150.00Sep 18$0.33$0.33$4.6778%0.07$154.67

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. 4 found (cheapest 6.50% of stock, avg 10.41%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$160.00Aug 21$10.00$1.10$11.10$148.90$171.106.50%
$180.00Sep 18$4.75$14.30$19.05$160.95$199.0511.16%
$160.00Sep 18$15.00$4.53$19.53$140.47$179.5311.44%
$155.00Sep 18$18.50$2.88$21.38$133.62$176.3812.53%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 21 found (cheapest 0.79% of stock, avg 3.87%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$175.00$160.00Aug 21$0.25$1.10$1.35$158.65$176.35
$200.00$145.00Sep 18$1.73$1.93$3.66$141.34$203.66
$200.00$150.00Sep 18$1.73$2.55$4.28$145.72$204.28
$200.00$155.00Sep 18$1.73$2.88$4.61$150.39$204.61
$190.00$145.00Sep 18$2.65$1.93$4.58$140.42$194.58
$190.00$150.00Sep 18$2.65$2.55$5.20$144.80$195.20
$190.00$155.00Sep 18$2.65$2.88$5.53$149.47$195.53
$185.00$145.00Sep 18$3.65$1.93$5.58$139.42$190.58
$185.00$150.00Sep 18$3.65$2.55$6.20$143.80$191.20
$185.00$155.00Sep 18$3.65$2.88$6.53$148.47$191.53

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 9 found (best R:R 1.13, avg credit $1.87)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
155/160185/190Sep 18$2.65$2.3542%1.13$157.35$187.65
155/160180/185Sep 18$2.75$2.2535%1.22$157.25$182.75
145/150185/190Sep 18$1.62$3.3854%0.48$148.38$186.62
145/150180/185Sep 18$1.72$3.2848%0.52$148.28$181.72
150/155185/190Sep 18$1.33$3.6750%0.36$153.67$186.33
150/155180/185Sep 18$1.43$3.5744%0.40$153.57$181.43
145/150190/200Sep 18$1.54$8.4660%0.18$148.46$191.54
155/160190/200Sep 18$2.57$7.4348%0.35$157.43$192.57
150/155190/200Sep 18$1.25$8.7556%0.14$153.75$191.25

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 10 found (best R:R 12.16, cheapest $0.10)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$170.00$175.00$180.00Aug 21$0.38$4.6266%12.16
$155.00$160.00$165.00Aug 21$0.25$4.7523%19.00
$180.00$185.00$190.00Sep 18$0.10$4.9013%49.00
$170.00$175.00$180.00Sep 18$0.40$4.6018%11.50
$140.00$145.00$150.00Aug 21$0.30$4.709%15.67
PUTS (1)
LowMidHighExpiryDebitMax GainPOPR:R
$150.00$155.00$160.00Sep 18$1.32$3.6812%2.79

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 15 found (best net $-0.20, 11 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$160.00$165.001:2Aug 21-$0.20$4.80
$160.00$170.001:2Sep 18-$3.10$6.90
$190.00$200.001:2Sep 18-$0.81$9.19
$155.00$160.001:2Aug 21-$4.85$0.15
$185.00$190.001:2Sep 18-$1.65$3.35
PUTS (4)
Buy KSell KRatioExpiryNetMax Gain
$160.00$155.001:2Sep 18-$1.23$3.77
$150.00$145.001:2Sep 18-$1.31$3.69
$155.00$150.001:2Sep 18-$2.22$2.78
$180.00$160.001:2Sep 18$5.24$14.76

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 5 found (best yield 2.34%, avg 1.57%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$180.00Sep 18$4.000.355.5%2.34%7.80%15281
$185.00Sep 18$3.200.288.4%1.87%10.26%1554
$175.00Sep 18$4.900.442.5%2.87%5.40%2327
$190.00Sep 18$0.900.2211.3%0.53%11.84%1169
$200.00Sep 18$0.450.1417.2%0.26%17.44%318

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 857
Total Puts 268
Put/Call Ratio 0.31
Net Difference 589

Prior's Put/Call Breakdown

Total Calls 882
Total Puts 314
Put/Call Ratio 0.36
Net Difference 568

Prior 7-Day Put/Call Summary

Total Calls 3,092
Total Puts 1,712
Average Put/Call Ratio 0.67
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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