ZS - Options Database

ZSCALER INC

$207.38 -6.29%

$204.88 (-1.21%)🌙

as of 10/17 03:38 AM

(10/14 18:57) ◀

Friday, October 16, 2026 (3:38am)

▶

◀ 10/16 03:38

Option Volume

Detail

ℹ

Current (10/17) 20,487

Calls: 11,136 (54%)

Puts: 9,351 (46%)

Prior (10/14) 8,705

Calls: 4,576 (53%)

Puts: 4,129 (47%)

Current vs Prior +135.35%

Calls: +143.36% (Calls)

Puts: +126.47% (Puts)

Prior 7-Day Total 125,008

Calls: 73,858 (59%)

Puts: 51,150 (41%)

Prior 7-Day Average 17,858

Calls: 10,551 (59%)

Puts: 7,307 (41%)

Current vs Prior 7-Day Avg +14.72%

Calls: +5.54%

Puts: +27.97%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (10/17) $14.48M

Calls: $7.74M (53%)

Puts: $6.74M (47%)

Prior (10/14) $7.90M

Calls: $5.46M (69%)

Puts: $2.44M (31%)

Current vs Prior +83.20%

Calls: +41.61%

Puts: +176.39%

Prior 7-Day Total $104.68M

Calls: $74.95M (72%)

Puts: $29.72M (28%)

Prior 7-Day Average $14.95M

Calls: $10.71M (72%)

Puts: $4.25M (28%)

Current vs Prior 7-Day Avg -3.16%

Calls: -27.73%

Puts: +58.81%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (10/17) 0.84

Prior (10/14) 0.90

Current vs Prior -6.94%

Prior 7-Day Average 0.79

Current vs Prior 7-Day Avg +6.22%

Sentiment NEUTRAL

Open Interest

Detail

ℹ

Current (10/17) 120,208

Calls: 73,176 (61%)

Puts: 47,032 (39%)

Prior (10/14) 105,661

Calls: 67,550 (64%)

Puts: 38,111 (36%)

Current vs Prior +13.77%

Prior 7-Day Total 802,680

Calls: 498,802 (62%)

Puts: 303,878 (38%)

Prior 7-Day Average 114,668

Calls: 71,257 (62%)

Puts: 43,411 (38%)

Current vs Prior 7-Day Avg +4.83%

Sentiment BEARISH

Expected Move

Detail

ℹ

WKMO Expiry (10/23) | Next (10/30)Expiry (11/20) | Next (12/18)

Current 7.54% | 9.73%16.48% | 24.15%

Prior 4.41% | 7.62%4.41% | 16.23%

Current vs Prior +71.02% | +27.66%+274.00% | +48.81%

Prior 7-Day Avg 4.70% | 7.55%6.25% | 16.46%

Current vs 7-Day Avg +60.51% | +28.85%+163.60% | +46.68%

Prior 7-Day Eod 4.41% | 7.62%4.41% | 16.23%

Current vs 7-Day Eod +71.02% | +27.66%+274.00% | +48.81%

Sentiment BEARISHBEARISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 18.25% | 8.01%

Calls: 13.69% | 8.15%

Puts: 22.82% | 7.87%

Prior 18.25% | 8.01%

Calls: 13.69% | 8.15%

Puts: 22.82% | 7.87%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 18.19% | 8.34%

Calls: 15.46% | 8.65%

Puts: 20.93% | 8.04%

Current vs 7-Day Avg +0.32% | -3.99%

Liquidity Expensive

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🤖 AI Insights

Elevated premium activity with dollar volume up 83% vs prior. Unusually high activity with volume up 135% vs prior - elevated interest. Call-heavy open interest (73,176 calls vs 47,032 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 NEUTRAL

Prior NEUTRAL

7-Day Avg NEUTRAL

Current NEUTRAL

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

🎯

Tightest Spreads

💰

Best Value <$1

📊

High Delta

⚖️

Ratio Spreads

🛡️

Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 11 of results (avg 8.2%, best 4.7%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$220.00	Nov 20	9.45	9.90	$9.68	4.6%	196	0.42	2.8K
$207.50	Oct 23	6.65	7.15	$6.90	7.2%	13	0.51	17
$175.00	Oct 16	31.25	33.95	$32.60	8.3%	8	999.00	327
$220.00	Oct 23	2.25	2.45	$2.35	8.5%	192	0.24	183
$210.00	Oct 23	5.50	6.00	$5.75	8.7%	58	0.45	138

PUTS (2)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$210.00	Nov 20	14.75	15.70	$15.23	6.2%	459	0.50	558
$242.50	Oct 23	33.55	36.95	$35.25	9.6%	1	1.00	--

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. 133 found (avg delta 406.03, highest 999.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$175.00	Oct 16	31.25	33.95	$32.60	8.3%	8	999.00	327
$180.00	Oct 16	26.25	28.95	$27.60	9.8%	12	999.00	378
$185.00	Oct 16	21.25	23.95	$22.60	11.9%	7	999.00	645
$187.50	Oct 16	18.15	21.55	$19.85	17.1%	5	999.00	--
$190.00	Oct 16	16.50	18.55	$17.52	11.7%	38	999.00	519

PUTS (5)

Strike	Expiry	Ask	Mark	Spread	Vol	Delta	OI
$170.00	Oct 16	0.05	$0.03	166.7%	2	999.00	--
$175.00	Oct 16	1.50	$0.75	200.0%	2	999.00	--
$177.50	Oct 16	0.01	$0.01	100.0%	5	999.00	152
$180.00	Oct 16	0.05	$0.03	166.7%	1	999.00	--
$182.50	Oct 16	0.04	$0.02	200.0%	5	999.00	16

Most actively traded options today. High liquidity = easy entry/exit. 254 active (total vol 15.9K, top 611)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$212.50	Oct 23	4.35	5.25	$4.80	18.8%	611	0.40	201
$217.50	Oct 23	2.55	3.65	$3.10	35.5%	381	0.30	87
$215.00	Oct 16	0.00	0.01	$0.01	100.0%	349	999.00	655
$210.00	Nov 20	12.50	15.40	$13.95	20.8%	340	0.53	747
$230.00	Oct 23	0.55	1.49	$1.02	92.2%	313	0.12	211

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$190.00	Oct 30	2.55	3.60	$3.08	34.1%	530	0.21	120
$217.50	Oct 16	8.45	11.75	$10.10	32.7%	508	999.00	252
$210.00	Nov 20	14.75	15.70	$15.23	6.2%	459	0.50	558
$205.00	Oct 16	0.03	0.15	$0.09	133.3%	427	999.00	297
$180.00	Nov 20	3.40	4.75	$4.08	33.1%	417	0.19	818

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. 156 found (best R:R 5.94, avg 3.26)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$212.50	$215.00	Oct 16	$0.35	$2.15	$0.35	100%	6.14	$212.85
$217.50	$220.00	Oct 16	$0.71	$1.79	$0.71	100%	2.52	$218.21
$207.50	$210.00	Oct 16	$0.92	$1.58	$0.92	100%	1.72	$208.42
$232.50	$235.00	Oct 16	$1.06	$1.44	$1.06	100%	1.36	$233.56
$205.00	$207.50	Oct 16	$1.46	$1.04	$1.46	100%	0.71	$206.46

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$175.00	$170.00	Oct 16	$0.72	$4.28	$0.72	100%	5.94	$174.28
$197.50	$195.00	Oct 16	$0.22	$2.28	$0.22	100%	10.36	$197.28
$185.00	$182.50	Oct 16	$0.42	$2.08	$0.42	100%	4.95	$184.58
$187.50	$185.00	Oct 16	$0.63	$1.87	$0.63	100%	2.97	$186.87
$192.50	$190.00	Oct 16	$1.05	$1.45	$1.05	100%	1.38	$191.45

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 115 found (best R:R 0.59, avg 0.42)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$222.50	$225.00	Oct 23	$0.69	$0.69	$1.81	80%	0.38	$223.19
$240.00	$242.50	Oct 23	$0.38	$0.38	$2.12	91%	0.18	$240.38
$217.50	$220.00	Oct 30	$1.08	$1.08	$1.42	62%	0.76	$218.58
$235.00	$237.50	Oct 23	$0.33	$0.33	$2.17	91%	0.15	$235.33
$220.00	$222.50	Nov 6	$1.05	$1.05	$1.45	63%	0.72	$221.05

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$190.00	$180.00	Nov 27	$3.70	$3.70	$6.30	70%	0.59	$186.30
$195.00	$190.00	Nov 20	$2.17	$2.17	$2.83	67%	0.77	$192.83
$190.00	$185.00	Nov 6	$1.64	$1.64	$3.36	74%	0.49	$188.36
$197.50	$195.00	Oct 30	$1.20	$1.20	$1.30	68%	0.92	$196.30
$205.00	$202.50	Oct 23	$1.48	$1.48	$1.02	55%	1.45	$203.52

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. 71 found (cheapest 1.15% of stock, avg 9.67%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$207.50	Oct 16	$1.18	$1.21	$2.39	$205.11	$209.89	1.15%
$205.00	Oct 16	$2.64	$0.09	$2.73	$202.27	$207.73	1.32%
$210.00	Oct 16	$0.26	$2.54	$2.80	$207.20	$212.80	1.35%
$202.50	Oct 16	$4.88	$0.10	$4.98	$197.52	$207.48	2.40%
$212.50	Oct 16	$0.36	$5.43	$5.79	$206.71	$218.29	2.79%
$215.00	Oct 16	$0.01	$7.45	$7.46	$207.54	$222.46	3.60%
$200.00	Oct 16	$7.48	$0.01	$7.49	$192.51	$207.49	3.61%
$197.50	Oct 16	$10.13	$0.32	$10.45	$187.05	$207.95	5.04%
$217.50	Oct 16	$0.84	$10.10	$10.94	$206.56	$228.44	5.28%
$195.00	Oct 16	$12.60	$0.10	$12.70	$182.30	$207.70	6.12%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 140 found (cheapest 2.25% of stock, avg 7.63%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$220.00	$195.00	Oct 23	$2.35	$2.31	$4.66	$190.34	$224.66
$220.00	$197.50	Oct 23	$2.35	$2.97	$5.32	$192.18	$225.32
$217.50	$195.00	Oct 23	$3.10	$2.31	$5.41	$189.59	$222.91
$217.50	$197.50	Oct 23	$3.10	$2.97	$6.07	$191.43	$223.57
$220.00	$200.00	Oct 23	$2.35	$3.78	$6.13	$193.87	$226.13
$215.00	$195.00	Oct 23	$3.85	$2.31	$6.16	$188.84	$221.16
$217.50	$200.00	Oct 23	$3.10	$3.78	$6.88	$193.12	$224.38
$215.00	$197.50	Oct 23	$3.85	$2.97	$6.82	$190.68	$221.82
$215.00	$200.00	Oct 23	$3.85	$3.78	$7.63	$192.37	$222.63
$220.00	$202.50	Oct 23	$2.35	$4.70	$7.05	$195.45	$227.05

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 164 found (best R:R 0.81, avg credit $1.29)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
170/172	222/225	Oct 23	$1.12	$1.38	75%	0.81	$171.38	$223.62
170/172	235/238	Oct 23	$0.76	$1.74	86%	0.44	$171.74	$235.76
195/198	230/232	Oct 30	$1.73	$0.77	46%	2.25	$195.77	$231.73
195/198	225/228	Oct 30	$1.81	$0.69	40%	2.62	$195.69	$226.81
170/172	218/220	Oct 23	$1.18	$1.32	65%	0.89	$171.32	$218.68
170/172	230/232	Oct 23	$0.69	$1.81	83%	0.38	$171.81	$230.69
170/172	220/222	Oct 23	$0.98	$1.52	70%	0.64	$171.52	$220.98
180/182	222/225	Oct 23	$0.90	$1.60	73%	0.56	$181.60	$223.40
195/198	228/230	Oct 30	$1.62	$0.88	44%	1.84	$195.88	$229.12
185/188	222/225	Oct 23	$0.99	$1.51	68%	0.66	$186.51	$223.49

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 111 found (best R:R 165.67, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$220.00	$230.00	$240.00	Nov 20	$0.06	$9.94	19%	165.67
$200.00	$210.00	$220.00	Nov 20	$0.73	$9.27	22%	12.70
$190.00	$200.00	$210.00	Nov 27	$0.85	$9.15	18%	10.76
$180.00	$185.00	$190.00	Nov 20	$0.10	$4.90	9%	49.00
$205.00	$207.50	$210.00	Oct 30	$0.09	$2.41	9%	26.78

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$210.00	$220.00	$230.00	Nov 20	$0.77	$9.23	22%	11.99
$200.00	$210.00	$220.00	Nov 20	$0.87	$9.13	23%	10.49
$220.00	$222.50	$225.00	Oct 23	$0.13	$2.37	18%	18.23
$175.00	$180.00	$185.00	Nov 20	$0.12	$4.88	9%	40.67
$217.50	$220.00	$222.50	Oct 23	$0.09	$2.41	12%	26.78

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 100 found (best net $-4.05, 84 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$182.50	$200.00	1:2	Nov 6	-$4.05	$13.45
$225.00	$227.50	1:2	Oct 16	-$0.01	$2.49
$235.00	$237.50	1:2	Oct 16	-$0.01	$2.49
$237.50	$240.00	1:2	Oct 16	-$0.01	$2.49
$222.50	$225.00	1:2	Oct 16	-$0.04	$2.46

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$182.50	$180.00	1:2	Oct 16	-$0.04	$2.46
$205.00	$202.50	1:2	Oct 16	-$0.11	$2.39
$200.00	$197.50	1:2	Oct 16	-$0.63	$1.87
$177.50	$175.00	1:2	Oct 16	-$1.49	$1.01
$190.00	$180.00	1:2	Nov 27	-$1.78	$8.22

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 62 found (best yield 6.22%, avg 2.36%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$215.00	Nov 27	$12.90	0.48	3.7%	6.22%	9.89%	4	--
$220.00	Nov 27	$11.00	0.44	6.1%	5.30%	11.39%	1	--
$210.00	Nov 27	$15.05	0.53	1.3%	7.26%	8.52%	6	10
$230.00	Nov 27	$7.75	0.36	10.9%	3.74%	14.64%	1	--
$235.00	Nov 27	$6.40	0.32	13.3%	3.09%	16.40%	2	17
$240.00	Nov 27	$5.50	0.29	15.7%	2.65%	18.38%	4	7
$220.00	Nov 20	$9.45	0.42	6.1%	4.56%	10.64%	196	2.8K
$245.00	Nov 27	$4.20	0.26	18.1%	2.03%	20.17%	2	3
$210.00	Nov 20	$12.50	0.53	1.3%	6.03%	7.29%	340	747
$230.00	Nov 20	$5.70	0.32	10.9%	2.75%	13.66%	188	1.7K

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 11,136

Total Puts 9,351

Put/Call Ratio 0.84

Net Difference 1,785

Prior's Put/Call Breakdown

Total Calls 4,576

Total Puts 4,129

Put/Call Ratio 0.90

Net Difference 447

Prior 7-Day Put/Call Summary

Total Calls 73,858

Total Puts 51,150

Average Put/Call Ratio 0.79

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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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

🤖 AI Insights

📈 Options Analysis

Current 5-Minute Volume Snapshots

Prior's 5-Minute Volume Snapshots

Current Put/Call Breakdown

Prior's Put/Call Breakdown

Prior 7-Day Put/Call Summary

Daily Put/Call History (Last 7 Days)

Upcoming Earnings - 2 Weeks Prior

Upcoming Earnings - 1 Week Prior

Earnings This Week

Earnings - Day Before / Day After

Options Activity Around Earnings

Chart Title

Price — Past 7 Days

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