Tour v526
ZS
ZSCALER INC
$184.60 -0.59%
$184.81 (+0.11%)🌙
as of 08/19 07:16 PM
(8/18 19:17) ◀
|
Wednesday, August 19, 2026 (7:16pm)
January 2026
|
▶ (8/20 19:20)
◀ 8/19 19:16 ▶

Option Volume

Detail
ℹ
Current (08/19) 7,919
Calls: 3,442 (43%)
Puts: 4,477 (57%)
Prior (08/18) 8,531
Calls: 4,342 (51%)
Puts: 4,189 (49%)
Current vs Prior -7.17%
Calls: -20.73% (Calls)
Puts: +6.88% (Puts)
Prior 7-Day Total 122,295
Calls: 81,055 (66%)
Puts: 41,240 (34%)
Prior 7-Day Average 17,470
Calls: 11,579 (66%)
Puts: 5,891 (34%)
Current vs Prior 7-Day Avg -54.67%
Calls: -70.27%
Puts: -24.01%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (08/19) $6.46M
Calls: $4.02M (62%)
Puts: $2.44M (38%)
Prior (08/18) $8.05M
Calls: $5.73M (71%)
Puts: $2.32M (29%)
Current vs Prior -19.80%
Calls: -29.88%
Puts: +5.11%
Prior 7-Day Total $140.30M
Calls: $116.56M (83%)
Puts: $23.74M (17%)
Prior 7-Day Average $20.04M
Calls: $16.65M (83%)
Puts: $3.39M (17%)
Current vs Prior 7-Day Avg -67.78%
Calls: -75.86%
Puts: -28.13%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (08/19) 1.30
Prior (08/18) 0.96
Current vs Prior +34.82%
Prior 7-Day Average 0.58
Current vs Prior 7-Day Avg +124.46%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (08/19) 111,441
Calls: 68,399 (61%)
Puts: 43,042 (39%)
Prior (08/18) 127,054
Calls: 74,199 (58%)
Puts: 52,855 (42%)
Current vs Prior -12.29%
Prior 7-Day Total 953,814
Calls: 578,762 (61%)
Puts: 375,052 (39%)
Prior 7-Day Average 136,259
Calls: 82,680 (61%)
Puts: 53,578 (39%)
Current vs Prior 7-Day Avg -18.21%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (08/21) | Next (08/28)Expiry (08/21) | Next (09/18)
Current 4.19% | 7.48%4.19% | 17.80%
Prior 4.82% | 7.95%4.82% | 18.24%
Current vs Prior -13.00% | -5.95%-13.01% | -2.46%
Prior 7-Day Avg 4.86% | 7.81%6.60% | 18.97%
Current vs 7-Day Avg -13.79% | -4.29%-36.51% | -6.18%
Prior 7-Day Eod 4.82% | 7.95%4.82% | 18.24%
Current vs 7-Day Eod -13.00% | -5.95%-13.01% | -2.46%
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 62% call dollar volume ($4.02M). Bearish P/C ratio of 1.30 indicates protective positioning. P/C ratio rising 35% - increased hedging/bearish positioning. Call-heavy open interest (68,399 calls vs 43,042 puts) suggests bullish positioning.

Smart Money BULLISH
Retail Flow BEARISH
Overall BEARISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current BEARISH
Prior NEUTRAL
7-Day Avg NEUTRAL
Current BEARISH
Prior NEUTRAL
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 8.5%, best 5.3%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Sep 1828.8531.30$30.088.1%100.79853
$155.00Aug 2128.4031.05$29.738.9%110.991.0K
$150.00Aug 2132.8035.90$34.359.0%210.99785
$155.00Sep 2533.2036.35$34.789.1%20.82--
$185.00Sep 1814.7516.15$15.459.1%190.541.6K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$185.00Sep 1814.8015.60$15.205.3%2360.46408
$185.00Sep 413.2014.10$13.656.6%480.4783
$195.00Sep 1820.0521.50$20.787.0%230.56--
$182.50Sep 411.8012.70$12.257.3%10.44--
$185.00Sep 1113.8515.10$14.488.6%1210.4723

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. 58 found (avg delta 0.71, highest 1.00)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Aug 2122.9025.90$24.4012.3%171.002.6K
$150.00Aug 2132.8035.90$34.359.0%210.99785
$155.00Aug 2128.4031.05$29.738.9%110.991.0K
$165.00Aug 2117.9021.05$19.4816.2%140.992.5K
$157.50Aug 2125.4028.40$26.9011.2%240.97--
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$192.50Aug 289.5012.30$10.9025.7%200.67--
$187.50Aug 213.805.85$4.8242.5%10.6384
$200.00Sep 421.7524.60$23.1812.3%100.632
$190.00Aug 288.3010.25$9.2821.0%310.6132
$195.00Sep 1119.0521.60$20.3312.5%120.572

Most actively traded options today. High liquidity = easy entry/exit. 182 active (total vol 4.4K, top 236)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$200.00Aug 281.311.88$1.6035.6%1830.19394
$200.00Aug 210.100.27$0.1989.5%1350.053.1K
$195.00Aug 210.410.55$0.4829.2%970.121.3K
$190.00Aug 211.121.66$1.3938.8%940.281.2K
$180.00Aug 215.107.10$6.1032.8%690.741.3K
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$185.00Sep 1814.8015.60$15.205.3%2360.46408
$182.50Aug 284.006.05$5.0340.8%2100.4312
$160.00Sep 184.605.20$4.9012.2%1220.21761
$185.00Sep 1113.8515.10$14.488.6%1210.4723
$175.00Aug 210.280.60$0.4472.7%1170.11289

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 1 strikes (avg 16.4%, max 16.4%)

CALLS (1)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$182.50Aug 21Aug 2861.0%52.4%16.4%36428
PUTS (0)
No puts found

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 126 found (best R:R 0.54, avg 3.25)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$155.00$177.50Sep 25$14.60$7.90$14.6082%0.54$169.60
$200.00$210.00Sep 25$2.42$7.58$2.4240%3.13$202.42
$210.00$220.00Sep 18$1.55$8.45$1.5530%5.45$211.55
$170.00$175.00Sep 18$2.60$2.40$2.6069%0.92$172.60
$177.50$180.00Aug 28$0.95$1.55$0.9569%1.63$178.45
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$187.50$185.00Aug 28$0.80$1.70$0.8056%2.13$186.70
$195.00$190.00Sep 18$2.18$2.82$2.1856%1.29$192.82
$180.00$177.50Sep 4$0.60$1.90$0.6040%3.17$179.40
$180.00$177.50Aug 28$0.56$1.94$0.5636%3.46$179.44
$170.00$167.50Aug 28$0.20$2.30$0.2015%11.50$169.80

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 93 found (best R:R 0.63, avg 0.46)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$185.00$187.50Aug 21$1.27$1.27$1.2350%1.03$186.27
$197.50$200.00Aug 28$0.65$0.65$1.8576%0.35$198.15
$190.00$192.50Aug 28$1.01$1.01$1.4961%0.68$191.01
$192.50$195.00Aug 21$0.43$0.43$2.0780%0.21$192.93
$190.00$192.50Sep 11$1.27$1.27$1.2352%1.03$191.27
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$170.00$160.00Sep 25$3.87$3.87$6.1369%0.63$166.13
$180.00$175.00Sep 25$2.90$2.90$2.1059%1.38$177.10
$180.00$175.00Sep 18$2.75$2.75$2.2559%1.22$177.25
$175.00$165.00Oct 2$3.77$3.77$6.2364%0.61$171.23
$170.00$165.00Sep 18$2.02$2.02$2.9869%0.68$167.98

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 10 found (avg debit $4.02, cheapest $2.83)

CALLS (4)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$182.50Aug 21Aug 28$3.0561.0%52.4%
$185.00Aug 21Aug 28$2.8362.9%55.1%
$187.50Aug 21Aug 28$2.9758.8%54.9%
$177.50Aug 28Sep 4$7.4553.8%89.3%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$182.50Aug 21Aug 28$2.8361.0%52.4%
$185.00Aug 21Aug 28$3.0162.9%55.1%
$195.00Sep 11Sep 18$0.4579.8%74.0%
$187.50Aug 21Aug 28$2.3858.8%54.9%
$190.00Aug 28Sep 11$7.9957.6%81.5%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 40 found (cheapest 3.55% of stock, avg 11.70%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$182.50Aug 21$4.35$2.20$6.55$175.95$189.053.55%
$185.00Aug 21$3.30$3.39$6.69$178.31$191.693.62%
$187.50Aug 21$2.03$4.82$6.85$180.65$194.353.71%
$180.00Aug 21$6.10$1.29$7.39$172.61$187.394.00%
$175.00Aug 21$10.13$0.44$10.57$164.43$185.575.73%
$187.50Aug 28$5.00$7.20$12.20$175.30$199.706.61%
$182.50Aug 28$7.40$5.03$12.43$170.07$194.936.73%
$185.00Aug 28$6.13$6.40$12.53$172.47$197.536.79%
$172.50Aug 21$12.38$0.23$12.61$159.89$185.116.83%
$180.00Aug 28$9.03$3.75$12.78$167.22$192.786.92%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 145 found (cheapest 0.39% of stock, avg 8.39%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$197.50$175.00Aug 21$0.28$0.44$0.72$174.28$198.22
$195.00$175.00Aug 21$0.48$0.44$0.92$174.08$195.92
$197.50$177.50Aug 21$0.28$0.66$0.94$176.56$198.44
$195.00$177.50Aug 21$0.48$0.66$1.14$176.36$196.14
$192.50$175.00Aug 21$0.91$0.44$1.35$173.65$193.85
$192.50$177.50Aug 21$0.91$0.66$1.57$175.93$194.07
$197.50$180.00Aug 21$0.28$1.29$1.57$178.43$199.07
$195.00$180.00Aug 21$0.48$1.29$1.77$178.23$196.77
$190.00$175.00Aug 21$1.39$0.44$1.83$173.17$191.83
$190.00$177.50Aug 21$1.39$0.66$2.05$175.45$192.05

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 101 found (best R:R 1.03, avg credit $1.22)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
170/172198/200Aug 28$1.27$1.2356%1.03$171.23$198.77
175/178198/200Aug 28$1.53$0.9745%1.58$175.97$199.03
170/172208/210Sep 4$1.72$0.7837%2.21$170.78$209.22
160/165210/215Sep 4$2.78$2.2247%1.25$162.22$212.78
165/168198/200Aug 28$1.04$1.4664%0.71$166.46$198.54
152/155198/200Aug 28$0.79$1.7172%0.46$154.21$198.29
158/160198/200Aug 28$0.84$1.6669%0.51$159.16$198.34
170/172200/202Aug 28$1.03$1.4761%0.70$171.47$201.03
170/172205/208Sep 4$1.68$0.8235%2.05$170.82$206.68
170/172205/208Aug 28$0.89$1.6167%0.55$171.61$205.89

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 68 found (best R:R 9.42, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$187.50$190.00$192.50Aug 21$0.16$2.3418%14.62
$195.00$200.00$205.00Sep 4$0.23$4.7710%20.74
$190.00$195.00$200.00Sep 18$0.22$4.7810%21.73
$182.50$185.00$187.50Aug 28$0.14$2.3613%16.86
$187.50$190.00$192.50Sep 4$0.07$2.436%34.71
PUTS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$182.50$185.00$187.50Aug 21$0.24$2.2625%9.42
$180.00$182.50$185.00Aug 28$0.09$2.4113%26.78
$155.00$160.00$165.00Sep 18$0.16$4.849%30.25
$180.00$182.50$185.00Aug 21$0.28$2.2224%7.93
$150.00$155.00$160.00Sep 11$0.17$4.838%28.41

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 72 found (best net $-5.58, 67 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$155.00$177.501:2Sep 25-$5.58$16.92
$175.00$180.001:2Aug 21-$2.07$2.93
$185.00$187.501:2Aug 21-$0.76$1.74
$192.50$195.001:2Aug 21-$0.05$2.45
$195.00$197.501:2Aug 21-$0.08$2.42
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$170.00$160.001:2Sep 25-$1.21$8.79
$180.00$177.501:2Aug 21-$0.03$2.47
$182.50$180.001:2Aug 21-$0.38$2.12
$175.00$172.501:2Aug 21-$0.02$2.48
$177.50$175.001:2Aug 21-$0.22$2.28

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 52 found (best yield 7.18%, avg 3.37%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$190.00Sep 25$13.250.492.9%7.18%10.10%26
$220.00Oct 2$5.750.2819.2%3.11%22.29%10--
$185.00Sep 25$15.300.540.2%8.29%8.50%85
$200.00Sep 25$9.300.408.3%5.04%13.38%7--
$210.00Sep 25$7.050.3313.8%3.82%17.58%1--
$187.50Sep 25$13.850.511.6%7.50%9.07%1--
$200.00Sep 18$9.050.398.3%4.90%13.24%232.3K
$185.00Sep 18$14.750.540.2%7.99%8.21%191.6K
$190.00Sep 18$12.100.492.9%6.55%9.48%601.2K
$195.00Sep 18$10.150.445.6%5.50%11.13%26412

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 3,442
Total Puts 4,477
Put/Call Ratio 1.30
Net Difference -1,035

Prior's Put/Call Breakdown

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

Prior 7-Day Put/Call Summary

Total Calls 81,055
Total Puts 41,240
Average Put/Call Ratio 0.58
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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