Tour v397
ZS
ZSCALER INC
$142.32 +1.84%
$140.17 (-1.51%)🌅
as of 07/25 04:15 AM
(7/23 19:22) ◀
|
Friday, July 24, 2026 (4:15am)
January 2026
|
▶ (7/27 19:19)
◀ 7/24 04:15 ▶

Option Volume

Detail
ℹ
Current (07/25) 10,249
Calls: 5,867 (57%)
Puts: 4,382 (43%)
Prior (07/23) 13,094
Calls: 8,368 (64%)
Puts: 4,726 (36%)
Current vs Prior -21.73%
Calls: -29.89% (Calls)
Puts: -7.28% (Puts)
Prior 7-Day Total 106,532
Calls: 72,664 (68%)
Puts: 33,868 (32%)
Prior 7-Day Average 15,218
Calls: 10,380 (68%)
Puts: 4,838 (32%)
Current vs Prior 7-Day Avg -32.66%
Calls: -43.48%
Puts: -9.43%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (07/25) $4.89M
Calls: $2.17M (44%)
Puts: $2.72M (56%)
Prior (07/23) $5.76M
Calls: $2.82M (49%)
Puts: $2.94M (51%)
Current vs Prior -15.19%
Calls: -23.06%
Puts: -7.63%
Prior 7-Day Total $57.46M
Calls: $32.90M (57%)
Puts: $24.55M (43%)
Prior 7-Day Average $8.21M
Calls: $4.70M (57%)
Puts: $3.51M (43%)
Current vs Prior 7-Day Avg -40.45%
Calls: -53.81%
Puts: -22.55%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (07/25) 0.75
Prior (07/23) 0.56
Current vs Prior +32.25%
Prior 7-Day Average 0.49
Current vs Prior 7-Day Avg +52.22%
Sentiment NEUTRAL

Open Interest

Detail
ℹ
Current (07/25) 77,727
Calls: 46,891 (60%)
Puts: 30,836 (40%)
Prior (07/23) 100,266
Calls: 67,050 (67%)
Puts: 33,216 (33%)
Current vs Prior -22.48%
Prior 7-Day Total 813,277
Calls: 517,305 (64%)
Puts: 295,972 (36%)
Prior 7-Day Average 116,182
Calls: 73,900 (64%)
Puts: 42,281 (36%)
Current vs Prior 7-Day Avg -33.10%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (07/31) | Next (08/07)Expiry (08/21) | Next (09/18)
Current 6.75% | 9.59%13.26% | 24.42%
Prior 2.96% | 7.52%14.46% | 24.03%
Current vs Prior +127.62% | +27.61%-8.30% | +1.61%
Prior 7-Day Avg 4.92% | 8.45%9.74% | 21.58%
Current vs 7-Day Avg +36.98% | +13.51%+36.12% | +13.17%
Prior 7-Day Eod 2.96% | 7.52%14.46% | 24.03%
Current vs 7-Day Eod +127.62% | +27.61%-8.30% | +1.61%
Sentiment BEARISHBULLISH

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

P/C ratio rising 32% - increased hedging/bearish positioning. Call-heavy open interest (46,891 calls vs 30,836 puts) suggests bullish positioning. Declining open interest (down 22%) indicates positions being closed.

Smart Money BEARISH
Retail Flow BULLISH
Overall BULLISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BEARISH
Prior BEARISH
7-Day Avg BULLISH
Current BULLISH
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 17 of results (avg 8.2%, best 6.5%)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$143.00Aug 147.508.00$7.756.5%50.51--
$146.00Jul 312.953.15$3.056.6%70.39--
$142.00Aug 148.008.55$8.286.6%40.537
$144.00Aug 147.107.60$7.356.8%20.49--
$140.00Jul 315.606.05$5.827.7%170.60131
PUTS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$150.00Jul 319.159.95$9.558.4%540.7392
$147.00Jul 316.957.60$7.288.9%70.6435
$155.00Aug 714.1015.45$14.779.1%20.76--
$155.00Aug 2116.3517.95$17.159.3%30.66388

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 1 found (avg $0.99, cheapest $0.99)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$155.00Jul 310.901.08$0.9918.2%2770.16416
PUTS (0)
No puts meet the criteria

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 63 found (avg delta 0.68, highest 0.94)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$122.00Jul 3119.2022.15$20.6714.3%20.94--
$125.00Jul 3116.2518.90$17.5815.1%30.93119
$126.00Jul 3114.9018.50$16.7021.6%10.9275
$115.00Aug 2127.4029.85$28.638.6%10.9146
$127.00Jul 3114.0516.80$15.4317.8%30.9072
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$160.00Jul 3116.7519.95$18.3517.4%80.9182
$155.00Jul 3112.4015.05$13.7319.3%130.83--
$160.00Aug 717.7020.45$19.0814.4%230.83--
$152.50Jul 3110.4012.60$11.5019.1%40.79--
$165.00Aug 2123.9026.50$25.2010.3%60.79--

Most actively traded options today. High liquidity = easy entry/exit. 207 active (total vol 5.8K, top 452)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$147.00Jul 312.573.00$2.7915.4%4520.3662
$152.50Jul 311.281.39$1.348.2%3280.21600
$155.00Jul 310.901.08$0.9918.2%2770.16416
$150.00Jul 311.702.00$1.8516.2%2300.27448
$160.00Jul 310.410.50$0.4520.0%1450.09542
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$130.00Jul 310.681.13$0.9149.5%4520.14280
$150.00Aug 2112.8514.60$13.7312.7%3650.591.1K
$132.00Jul 310.621.18$0.9062.2%2770.1544
$115.00Jul 310.010.56$0.29189.7%2730.03112
$145.00Jul 315.656.65$6.1516.3%2250.5761

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 22 strikes (avg 9.1%, max 35.3%)

CALLS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$167.50Jul 31Aug 2178.0%63.2%23.4%10--
$125.00Jul 31Aug 2167.9%58.0%17.1%4119
$136.00Jul 31Aug 1459.2%58.0%2.0%645
$135.00Jul 31Aug 2158.8%57.8%1.6%34118
$141.00Jul 31Aug 2157.9%57.4%0.9%18109
PUTS (5)
StrikeNear ExpFar ExpNear IVFar IVBack%VolOI
$115.00Jul 31Aug 2881.8%60.4%35.3%277129
$122.00Jul 31Aug 776.8%59.0%30.2%1046
$126.00Jul 31Aug 766.6%59.4%12.1%568
$128.00Jul 31Aug 763.6%56.7%12.0%6154
$127.00Jul 31Aug 765.9%59.4%11.0%3056

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 145 found (best R:R 25.32, avg 3.18)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$162.50$167.50Aug 14$0.19$4.81$0.1925.32$162.69
$160.00$162.50Jul 31$0.12$2.38$0.1219.83$160.12
$162.50$165.00Jul 31$0.14$2.36$0.1416.86$162.64
$165.00$167.50Aug 7$0.17$2.33$0.1713.71$165.17
$165.00$167.50Aug 21$0.22$2.28$0.2210.36$165.22
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossR:RBE
$120.00$117.00Aug 7$0.14$2.86$0.1420.43$119.86
$122.00$120.00Aug 7$0.16$1.84$0.1611.50$121.84
$125.00$120.00Aug 14$0.54$4.46$0.548.26$124.46
$137.00$136.00Aug 14$0.11$0.89$0.118.09$136.89
$129.00$128.00Jul 31$0.12$0.88$0.127.33$128.88

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 172 found (best R:R 12.16, avg 1.24)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$125.00$126.00Jul 31$0.88$0.88$0.127.33$125.88
$115.00$125.00Aug 21$8.65$8.65$1.356.41$123.65
$132.00$133.00Jul 31$0.86$0.86$0.146.14$132.86
$130.00$132.00Jul 31$1.64$1.64$0.364.56$131.64
$141.00$142.00Aug 21$0.81$0.81$0.194.26$141.81
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossR:RBE
$160.00$155.00Jul 31$4.62$4.62$0.3812.16$155.38
$155.00$152.50Jul 31$2.23$2.23$0.278.26$152.77
$160.00$155.00Aug 7$4.31$4.31$0.696.25$155.69
$148.00$147.00Jul 31$0.85$0.85$0.155.67$147.15
$138.00$137.00Aug 21$0.83$0.83$0.174.88$137.17

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 57 found (avg debit $1.84, cheapest $0.14)

CALLS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$167.50Jul 31Aug 7$0.1478.0%59.6%
$170.00Jul 31Aug 7$0.4761.9%61.4%
$162.50Jul 31Aug 7$0.5561.6%55.6%
$165.00Jul 31Aug 7$0.6459.9%59.0%
$115.00Aug 21Aug 28$1.0259.3%60.4%
PUTS (5)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$120.00Jul 31Aug 7$0.2174.5%59.5%
$122.00Jul 31Aug 7$0.2676.8%59.0%
$125.00Jul 31Aug 7$0.4867.9%57.9%
$124.00Jul 31Aug 7$0.5363.9%57.9%
$126.00Jul 31Aug 7$0.6666.6%59.4%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 53 found (cheapest 6.30% of stock, avg 11.28%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$139.00Jul 31$6.18$2.78$8.96$130.04$147.966.30%
$142.00Jul 31$4.80$4.32$9.12$132.88$151.126.41%
$141.00Jul 31$5.30$3.85$9.15$131.85$150.156.43%
$143.00Jul 31$4.38$4.80$9.18$133.82$152.186.45%
$140.00Jul 31$5.82$3.38$9.20$130.80$149.206.46%
$144.00Jul 31$3.83$5.38$9.21$134.79$153.216.47%
$145.00Jul 31$3.58$6.15$9.73$135.27$154.736.84%
$137.00Jul 31$7.73$2.05$9.78$127.22$146.786.87%
$146.00Jul 31$3.05$6.80$9.85$136.15$155.856.92%
$147.00Jul 31$2.79$7.28$10.07$136.93$157.077.08%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 3.81% of stock, avg 8.92%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$147.00$138.00Jul 31$2.79$2.63$5.42$132.58$152.42
$147.00$139.00Jul 31$2.79$2.78$5.57$133.43$152.57
$146.00$138.00Jul 31$3.05$2.63$5.68$132.32$151.68
$146.00$139.00Jul 31$3.05$2.78$5.83$133.17$151.83
$147.00$140.00Jul 31$2.79$3.38$6.17$133.83$153.17
$145.00$138.00Jul 31$3.58$2.63$6.21$131.79$151.21
$145.00$139.00Jul 31$3.58$2.78$6.36$132.64$151.36
$146.00$140.00Jul 31$3.05$3.38$6.43$133.57$152.43
$144.00$138.00Jul 31$3.83$2.63$6.46$131.54$150.46
$144.00$139.00Jul 31$3.83$2.78$6.61$132.39$150.61

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 339 found (best R:R 49.00, avg credit $1.86)

Put SpreadCall SpreadExpiryCreditMax LossR:RBE LowBE High
140/145146/150Aug 28$4.90$0.1049.00$140.10$150.90
135/137160/162Aug 28$2.40$0.1024.00$134.60$162.40
135/137144/145Aug 28$1.88$0.1215.67$135.12$145.88
141/142145/148Aug 14$2.80$0.2014.00$139.20$147.80
135/136137/139Jul 31$1.86$0.1413.29$134.14$138.86
120/121130/132Jul 31$1.83$0.1710.76$119.17$131.83
124/125130/132Jul 31$1.82$0.1810.11$123.18$131.82
133/134137/139Jul 31$1.82$0.1810.11$132.18$138.82
135/137155/158Aug 28$2.23$0.278.26$134.77$157.23
128/129136/137Jul 31$0.89$0.118.09$128.11$136.89

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 50 found (best R:R 54.56, cheapest $0.05)

CALLS (5)
LowMidHighExpiryDebitMax GainR:R
$160.00$165.00$170.00Sep 4$0.09$4.9154.56
$152.50$155.00$157.50Jul 31$0.05$2.4549.00
$155.00$157.50$160.00Jul 31$0.06$2.4440.67
$165.00$167.50$170.00Aug 7$0.07$2.4334.71
$157.50$160.00$162.50Jul 31$0.12$2.3819.83
PUTS (5)
LowMidHighExpiryDebitMax GainR:R
$125.00$130.00$135.00Aug 21$0.13$4.8737.46
$145.00$150.00$155.00Aug 21$0.14$4.8634.71
$140.00$145.00$150.00Aug 28$0.25$4.7519.00
$127.00$128.00$129.00Jul 31$0.09$0.9110.11
$115.00$120.00$125.00Aug 28$0.49$4.519.20

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 69 found (best net $-4.17, 67 credits)

CALLS (5)
Buy KSell KRatioExpiryNetMax Gain
$130.00$146.001:2Sep 4-$4.17$11.83
$165.00$170.001:2Aug 28-$1.57$3.43
$162.50$167.501:2Aug 14-$1.59$3.41
$160.00$165.001:2Aug 21-$1.82$3.18
$155.00$160.001:2Aug 21-$2.07$2.93
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$160.00$148.001:2Aug 14-$2.99$9.01
$136.00$129.001:2Aug 14-$0.13$6.87
$134.00$125.001:2Sep 4-$2.45$6.55
$120.00$115.001:2Aug 21-$0.14$4.86
$120.00$115.001:2Jul 31-$0.31$4.69

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 67 found (best yield 7.34%, avg 2.69%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$146.00Sep 4$10.450.512.6%7.34%9.93%2--
$148.00Sep 4$9.600.484.0%6.75%10.74%2--
$144.00Aug 28$9.250.511.2%6.50%7.68%465
$145.00Aug 28$8.250.491.9%5.80%7.68%13424
$146.00Aug 28$8.200.482.6%5.76%8.35%210
$152.50Sep 4$7.950.447.2%5.59%12.74%1--
$145.00Aug 21$7.850.481.9%5.52%7.40%76673
$143.00Aug 14$7.500.510.5%5.27%5.75%5--
$146.00Aug 21$7.450.472.6%5.23%7.82%132
$144.00Aug 14$7.100.491.2%4.99%6.17%2--

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 5,867
Total Puts 4,382
Put/Call Ratio 0.75
Net Difference 1,485

Prior's Put/Call Breakdown

Total Calls 8,368
Total Puts 4,726
Put/Call Ratio 0.56
Net Difference 3,642

Prior 7-Day Put/Call Summary

Total Calls 72,664
Total Puts 33,868
Average Put/Call Ratio 0.49
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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