Tour v509
ZS
ZSCALER INC
$185.70 +0.68%
$185.00 (-0.38%)🌙
as of 08/18 07:17 PM
(8/17 19:18) ◀
|
Tuesday, August 18, 2026 (7:17pm)
January 2026
|
▶ (8/19 19:16)
◀ 8/18 19:17 ▶

Option Volume

Detail
ℹ
Current (08/18) 8,531
Calls: 4,342 (51%)
Puts: 4,189 (49%)
Prior (08/17) 11,430
Calls: 7,224 (63%)
Puts: 4,206 (37%)
Current vs Prior -25.36%
Calls: -39.89% (Calls)
Puts: -0.40% (Puts)
Prior 7-Day Total 136,262
Calls: 89,471 (66%)
Puts: 46,791 (34%)
Prior 7-Day Average 19,466
Calls: 12,781 (66%)
Puts: 6,684 (34%)
Current vs Prior 7-Day Avg -56.17%
Calls: -66.03%
Puts: -37.33%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (08/18) $8.05M
Calls: $5.73M (71%)
Puts: $2.32M (29%)
Prior (08/17) $14.40M
Calls: $12.03M (84%)
Puts: $2.37M (16%)
Current vs Prior -44.09%
Calls: -52.34%
Puts: -2.30%
Prior 7-Day Total $146.27M
Calls: $121.37M (83%)
Puts: $24.90M (17%)
Prior 7-Day Average $20.90M
Calls: $17.34M (83%)
Puts: $3.56M (17%)
Current vs Prior 7-Day Avg -61.47%
Calls: -66.94%
Puts: -34.80%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/18) 0.96
Prior (08/17) 0.58
Current vs Prior +65.70%
Prior 7-Day Average 0.55
Current vs Prior 7-Day Avg +75.19%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (08/18) 127,054
Calls: 74,199 (58%)
Puts: 52,855 (42%)
Prior (08/17) 123,467
Calls: 79,431 (64%)
Puts: 44,036 (36%)
Current vs Prior +2.91%
Prior 7-Day Total 964,224
Calls: 587,087 (61%)
Puts: 377,137 (39%)
Prior 7-Day Average 137,746
Calls: 83,869 (61%)
Puts: 53,876 (39%)
Current vs Prior 7-Day Avg -7.76%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (08/28)Expiry (08/21) | Next (09/18)
Current 4.82% | 7.95%4.82% | 18.24%
Prior 5.32% | 8.16%5.32% | 18.75%
Current vs Prior -9.39% | -2.59%-9.39% | -2.69%
Prior 7-Day Avg 5.08% | 7.91%7.15% | 19.27%
Current vs 7-Day Avg -5.04% | +0.43%-32.64% | -5.32%
Prior 7-Day Eod 5.32% | 8.16%5.32% | 18.75%
Current vs 7-Day Eod -9.39% | -2.59%-9.39% | -2.69%
Sentiment BULLISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 5.54% | 8.33%
Calls: 5.84% | 7.69%
Puts: 5.24% | 8.97%
Prior 5.54% | 8.33%
Calls: 5.84% | 7.69%
Puts: 5.24% | 8.97%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 5.54% | 8.33%
Calls: 5.84% | 7.69%
Puts: 5.24% | 8.97%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Pricy
+
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🤖 AI Insights

Moderately bullish flow with 71% call dollar volume ($5.73M). P/C ratio rising 66% - increased hedging/bearish positioning.

Smart Money BULLISH
Retail Flow NEUTRAL
Overall BULLISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current NEUTRAL
Prior BULLISH
7-Day Avg NEUTRAL
Current NEUTRAL
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 16 of results (avg 8.3%, best 5.2%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$210.00Sep 187.557.95$7.755.2%530.331.7K
$190.00Sep 1813.4514.30$13.886.1%1850.501.1K
$160.00Aug 2125.5027.45$26.487.4%130.992.6K
$150.00Sep 436.9539.90$38.427.7%10.90--
$155.00Aug 2130.4033.05$31.738.4%40.99--
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$220.00Sep 1837.5540.40$38.977.3%130.74--
$220.00Aug 2832.2535.50$33.889.6%10.94--

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. 74 found (avg delta 0.70, highest 0.99)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Aug 2125.5027.45$26.487.4%130.992.6K
$155.00Aug 2130.4033.05$31.738.4%40.99--
$150.00Aug 2834.9538.20$36.588.9%30.98--
$150.00Aug 2134.9538.10$36.538.6%60.97--
$165.00Aug 2119.8523.05$21.4514.9%260.952.5K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$220.00Aug 2832.2535.50$33.889.6%10.94--
$220.00Sep 1837.5540.40$38.977.3%130.74--
$195.00Aug 2810.9513.50$12.2320.9%10.685
$190.00Aug 215.357.15$6.2528.8%60.64152
$192.50Aug 289.3011.70$10.5022.9%40.63--

Most actively traded options today. High liquidity = easy entry/exit. 192 active (total vol 4.8K, top 435)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$210.00Aug 210.020.10$0.06133.3%4350.02735
$200.00Aug 210.270.75$0.5194.1%3430.103.1K
$190.00Sep 1813.4514.30$13.886.1%1850.501.1K
$197.50Aug 210.321.00$0.66103.0%1840.13303
$190.00Aug 212.072.85$2.4631.7%1670.361.2K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$180.00Aug 211.001.99$1.5066.0%1220.26360
$185.00Aug 212.684.10$3.3941.9%1200.46304
$185.00Sep 1813.5016.20$14.8518.2%1150.45343
$185.00Sep 411.8514.65$13.2521.1%1030.4520
$187.50Aug 286.408.45$7.4327.6%720.521

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 11.8%, max 17.4%)

CALLS (0)
No calls found
PUTS (2)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$200.00Sep 4Sep 1887.3%74.4%17.4%14822
$182.50Aug 21Aug 2857.2%53.9%6.1%24220

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 138 found (best R:R 3.25, avg 3.34)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$205.00$220.00Oct 2$3.53$11.47$3.5339%3.25$208.53
$190.00$195.00Sep 18$1.18$3.82$1.1850%3.24$191.18
$210.00$220.00Sep 25$1.98$8.02$1.9834%4.05$211.98
$172.50$180.00Sep 4$4.03$3.47$4.0370%0.86$176.53
$170.00$177.50Sep 11$4.29$3.21$4.2972%0.75$174.29
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$162.50$160.00Sep 11$0.15$2.35$0.1521%15.67$162.35
$157.50$155.00Sep 4$0.26$2.24$0.2616%8.62$157.24
$200.00$197.50Sep 4$1.45$1.05$1.4562%0.72$198.55
$172.50$170.00Aug 28$0.34$2.16$0.3418%6.35$172.16
$170.00$167.50Sep 11$0.63$1.87$0.6329%2.97$169.37

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 97 found (best R:R 0.32, avg 0.45)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$197.50$200.00Sep 4$1.30$1.30$1.2058%1.08$198.80
$190.00$192.50Aug 21$0.96$0.96$1.5464%0.62$190.96
$207.50$210.00Sep 4$0.98$0.98$1.5268%0.64$208.48
$207.50$210.00Aug 21$0.25$0.25$2.2594%0.11$207.75
$202.50$205.00Aug 28$0.54$0.54$1.9680%0.28$203.04
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$160.00$150.00Sep 25$2.43$2.43$7.5779%0.32$157.57
$185.00$180.00Sep 11$2.95$2.95$2.0555%1.44$182.05
$180.00$175.00Sep 25$2.60$2.60$2.4060%1.08$177.40
$172.50$165.00Oct 2$2.87$2.87$4.6367%0.62$169.63
$175.00$170.00Sep 11$2.22$2.22$2.7866%0.80$172.78

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 11 found (avg debit $3.36, cheapest $2.63)

CALLS (4)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$190.00Aug 21Aug 28$2.6763.1%56.1%
$187.50Aug 21Aug 28$2.8660.0%55.3%
$182.50Aug 21Aug 28$2.7257.2%53.9%
$185.00Aug 21Aug 28$3.0857.1%54.3%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$190.00Aug 21Aug 28$2.6363.1%56.1%
$200.00Sep 4Sep 11$1.1087.3%80.6%
$187.50Aug 21Aug 28$2.7360.0%55.3%
$182.50Aug 21Aug 28$2.5957.2%53.9%
$185.00Aug 21Aug 28$2.7457.1%54.3%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 45 found (cheapest 4.11% of stock, avg 12.22%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$185.00Aug 21$4.25$3.39$7.64$177.36$192.644.11%
$187.50Aug 21$3.21$4.70$7.91$179.59$195.414.26%
$182.50Aug 21$5.83$2.34$8.17$174.33$190.674.40%
$190.00Aug 21$2.46$6.25$8.71$181.29$198.714.69%
$180.00Aug 21$7.53$1.50$9.03$170.97$189.034.86%
$177.50Aug 21$9.68$0.98$10.66$166.84$188.165.74%
$175.00Aug 21$11.68$0.61$12.29$162.71$187.296.62%
$185.00Aug 28$7.33$6.13$13.46$171.54$198.467.25%
$182.50Aug 28$8.55$4.93$13.48$169.02$195.987.26%
$187.50Aug 28$6.07$7.43$13.50$174.00$201.007.27%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 0.68% of stock, avg 8.61%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$197.50$175.00Aug 21$0.66$0.61$1.27$173.73$198.77
$197.50$177.50Aug 21$0.66$0.98$1.64$175.86$199.14
$195.00$175.00Aug 21$1.04$0.61$1.65$173.35$196.65
$195.00$177.50Aug 21$1.04$0.98$2.02$175.48$197.02
$192.50$175.00Aug 21$1.50$0.61$2.11$172.89$194.61
$197.50$180.00Aug 21$0.66$1.50$2.16$177.84$199.66
$192.50$177.50Aug 21$1.50$0.98$2.48$175.02$194.98
$195.00$180.00Aug 21$1.04$1.50$2.54$177.46$197.54
$192.50$180.00Aug 21$1.50$1.50$3.00$177.00$195.50
$197.50$182.50Aug 21$0.66$2.34$3.00$179.50$200.50

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 124 found (best R:R 5.76, avg credit $1.12)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
172/175208/210Sep 4$2.13$0.3734%5.76$172.87$209.63
160/162208/210Sep 4$1.58$0.9247%1.72$160.92$209.08
158/160208/210Sep 4$1.52$0.9850%1.55$158.48$209.02
162/165208/210Sep 4$1.63$0.8745%1.87$163.37$209.13
160/162208/210Aug 21$0.45$2.0590%0.22$162.05$207.95
170/172208/210Sep 4$1.78$0.7237%2.47$170.72$209.28
155/158208/210Aug 21$0.36$2.1492%0.17$157.14$207.86
172/175205/208Sep 4$1.85$0.6532%2.85$173.15$206.85
175/178202/205Aug 28$1.31$1.1952%1.10$176.19$203.81
168/170202/205Aug 28$0.96$1.5465%0.62$169.04$203.46

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 83 found (best R:R 99.00, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$175.00$180.00$185.00Sep 18$0.05$4.9510%99.00
$200.00$210.00$220.00Sep 18$0.66$9.3415%14.15
$180.00$182.50$185.00Aug 21$0.12$2.3820%19.83
$170.00$175.00$180.00Sep 18$0.17$4.8310%28.41
$205.00$210.00$215.00Aug 28$0.08$4.927%61.50
PUTS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$180.00$185.00$190.00Sep 18$0.05$4.9510%99.00
$175.00$180.00$185.00Sep 4$0.15$4.8512%32.33
$180.00$182.50$185.00Aug 28$0.05$2.4512%49.00
$180.00$182.50$185.00Aug 21$0.21$2.2920%10.90
$182.50$185.00$187.50Aug 28$0.10$2.4012%24.00

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 64 found (best net $-8.69, 59 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$205.00$220.001:2Oct 2-$3.97$11.03
$215.00$220.001:2Aug 28-$0.07$4.93
$190.00$192.501:2Aug 21-$0.54$1.96
$200.00$202.501:2Aug 21-$0.03$2.47
$195.00$197.501:2Aug 21-$0.28$2.22
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$220.00$200.001:2Sep 18-$8.69$11.31
$160.00$150.001:2Sep 25-$0.82$9.18
$172.50$170.001:2Aug 21-$0.02$2.48
$177.50$175.001:2Aug 21-$0.24$2.26
$182.50$180.001:2Aug 21-$0.66$1.84

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 49 found (best yield 5.12%, avg 3.55%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$205.00Oct 2$9.500.3910.4%5.12%15.51%22
$195.00Oct 2$12.650.475.0%6.81%11.82%1--
$200.00Oct 2$10.800.437.7%5.82%13.52%1116
$190.00Oct 2$14.500.522.3%7.81%10.12%4--
$220.00Oct 2$6.450.2918.5%3.47%21.94%79
$195.00Sep 25$11.800.475.0%6.35%11.36%1--
$190.00Sep 25$13.900.522.3%7.49%9.80%27
$200.00Sep 25$10.100.427.7%5.44%13.14%1--
$187.50Sep 25$14.850.541.0%8.00%8.97%1--
$210.00Sep 25$7.400.3413.1%3.98%17.07%1--

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 4,342
Total Puts 4,189
Put/Call Ratio 0.96
Net Difference 153

Prior's Put/Call Breakdown

Total Calls 7,224
Total Puts 4,206
Put/Call Ratio 0.58
Net Difference 3,018

Prior 7-Day Put/Call Summary

Total Calls 89,471
Total Puts 46,791
Average Put/Call Ratio 0.55
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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