ZS - Options Database

ZSCALER INC

$197.31 -0.08%

$197.10 (-0.11%)🌙

as of 09/18 07:17 PM

(9/15 19:28) ◀

Friday, September 18, 2026 (7:17pm)

▶ (9/21 19:16)

◀ 9/18 19:17 ▶

Option Volume

Detail

ℹ

Current (09/18) 24,416

Calls: 15,374 (63%)

Puts: 9,042 (37%)

Prior (09/15) 35,183

Calls: 25,357 (72%)

Puts: 9,826 (28%)

Current vs Prior -30.60%

Calls: -39.37% (Calls)

Puts: -7.98% (Puts)

Prior 7-Day Total 340,458

Calls: 215,907 (63%)

Puts: 124,551 (37%)

Prior 7-Day Average 48,636

Calls: 30,843 (63%)

Puts: 17,793 (37%)

Current vs Prior 7-Day Avg -49.80%

Calls: -50.16%

Puts: -49.18%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (09/18) $14.52M

Calls: $11.19M (77%)

Puts: $3.33M (23%)

Prior (09/15) $33.59M

Calls: $22.81M (68%)

Puts: $10.78M (32%)

Current vs Prior -56.77%

Calls: -50.93%

Puts: -69.14%

Prior 7-Day Total $196.09M

Calls: $119.04M (61%)

Puts: $77.05M (39%)

Prior 7-Day Average $28.01M

Calls: $17.01M (61%)

Puts: $11.01M (39%)

Current vs Prior 7-Day Avg -48.16%

Calls: -34.17%

Puts: -69.77%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (09/18) 0.59

Prior (09/15) 0.39

Current vs Prior +51.77%

Prior 7-Day Average 0.56

Current vs Prior 7-Day Avg +4.95%

Sentiment BULLISH

Open Interest

Detail

ℹ

Current (09/18) 133,767

Calls: 80,983 (61%)

Puts: 52,784 (39%)

Prior (09/15) 154,726

Calls: 99,156 (64%)

Puts: 55,570 (36%)

Current vs Prior -13.55%

Prior 7-Day Total 1,121,741

Calls: 689,892 (62%)

Puts: 431,849 (38%)

Prior 7-Day Average 160,248

Calls: 98,556 (62%)

Puts: 61,692 (38%)

Current vs Prior 7-Day Avg -16.53%

Sentiment BEARISH

Expected Move

Detail

ℹ

WKMO Expiry (09/18) | Next (09/25)Expiry (09/18) | Next (10/16)

Current 1.59% | 6.86%1.59% | 13.44%

Prior 5.28% | 8.37%5.28% | 14.56%

Current vs Prior +29.97% | +8.68%-69.84% | -7.72%

Prior 7-Day Avg 6.53% | 9.01%8.38% | 15.43%

Current vs 7-Day Avg +5.07% | +0.95%-81.01% | -12.92%

Prior 7-Day Eod 5.28% | 8.37%5.28% | 14.56%

Current vs 7-Day Eod +29.97% | +8.68%-69.84% | -7.72%

Sentiment BEARISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 17.84% | 10.34%

Calls: 26.07% | 11.63%

Puts: 9.62% | 9.05%

Prior 17.84% | 10.34%

Calls: 26.07% | 11.63%

Puts: 9.62% | 9.05%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 7.07% | 7.97%

Calls: 7.86% | 8.07%

Puts: 6.29% | 7.88%

Current vs 7-Day Avg +152.18% | +29.67%

Liquidity Expensive

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🤖 AI Insights

Strong bullish conviction with 77% of dollar volume in calls ($11.19M) vs puts ($3.33M). Light premium activity with dollar volume down 57% vs prior. Bullish P/C ratio of 0.59. P/C ratio rising 52% - increased hedging/bearish 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

🎯

Tightest Spreads

💰

Best Value <$1

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High Delta

⚖️

Ratio Spreads

🛡️

Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 18 of results (avg 8.5%, best 6.5%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$160.00	Oct 16	37.20	40.00	$38.60	7.3%	1	0.92	--
$180.00	Sep 18	16.90	18.20	$17.55	7.4%	69	1.00	1.6K
$175.00	Oct 2	23.10	24.95	$24.03	7.7%	1	0.89	382
$165.00	Oct 16	32.70	35.40	$34.05	7.9%	5	0.89	--
$160.00	Sep 25	35.85	38.90	$37.38	8.2%	5	1.00	--

PUTS (4)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$210.00	Oct 16	18.50	19.75	$19.13	6.5%	407	0.62	7
$235.00	Sep 25	36.40	39.45	$37.92	8.0%	2	0.98	1
$230.00	Oct 16	34.00	36.85	$35.42	8.0%	1	0.81	--
$185.00	Oct 16	5.55	6.10	$5.82	9.5%	82	0.30	387

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. 91 found (avg delta 0.77, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$160.00	Sep 18	35.65	38.70	$37.17	8.2%	15	1.00	638
$165.00	Sep 18	30.65	33.85	$32.25	9.9%	23	1.00	393
$170.00	Sep 18	26.00	28.60	$27.30	9.5%	81	1.00	1.0K
$172.50	Sep 18	23.15	26.40	$24.78	13.1%	1	1.00	--
$175.00	Sep 18	21.10	23.70	$22.40	11.6%	49	1.00	1.2K

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$210.00	Sep 18	11.30	14.15	$12.73	22.4%	8	1.00	--
$205.00	Sep 18	6.15	9.30	$7.73	40.8%	3	0.99	12
$200.00	Sep 18	1.36	4.15	$2.76	101.1%	257	0.98	383
$235.00	Sep 25	36.40	39.45	$37.92	8.0%	2	0.98	1
$230.00	Oct 16	34.00	36.85	$35.42	8.0%	1	0.81	--

Most actively traded options today. High liquidity = easy entry/exit. 233 active (total vol 17.7K, top 2.6K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$200.00	Sep 18	0.00	0.02	$0.01	200.0%	2.6K	0.02	4.4K
$195.00	Sep 18	1.47	3.60	$2.54	83.9%	894	1.00	1.3K
$205.00	Sep 25	2.63	3.50	$3.07	28.3%	862	0.32	338
$225.00	Sep 25	0.39	0.60	$0.50	42.0%	765	0.07	51
$210.00	Sep 18	0.00	0.01	$0.01	100.0%	741	0.00	6.1K

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$170.00	Sep 25	0.00	0.20	$0.10	200.0%	706	0.02	80
$210.00	Oct 16	18.50	19.75	$19.13	6.5%	407	0.62	7
$180.00	Oct 16	4.00	5.40	$4.70	29.8%	339	0.25	632
$190.00	Oct 16	7.45	9.05	$8.25	19.4%	337	0.37	280
$190.00	Sep 18	0.00	0.01	$0.01	100.0%	308	0.01	793

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 4 strikes (avg 28.2%, max 54.7%)

CALLS (3)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$197.50	Sep 18	Oct 23	81.1%	53.0%	53.0%	370	569
$202.50	Sep 25	Oct 23	57.0%	55.2%	3.2%	32	161
$207.50	Sep 25	Oct 9	57.4%	56.3%	2.0%	23	222

PUTS (1)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$197.50	Sep 18	Oct 30	81.1%	52.4%	54.7%	178	46

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 134 found (best R:R 2.77, avg 3.46)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$210.00	$220.00	Oct 30	$2.65	$7.35	$2.65	40%	2.77	$212.65
$200.00	$210.00	Oct 16	$3.45	$6.55	$3.45	49%	1.90	$203.45
$200.00	$210.00	Oct 30	$3.87	$6.13	$3.87	51%	1.58	$203.87
$185.00	$190.00	Oct 16	$2.80	$2.20	$2.80	70%	0.79	$187.80
$185.00	$190.00	Oct 23	$2.74	$2.26	$2.74	68%	0.82	$187.74

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$192.50	$190.00	Oct 2	$0.52	$1.98	$0.52	39%	3.81	$191.98
$175.00	$170.00	Oct 9	$0.33	$4.67	$0.33	16%	14.15	$174.67
$195.00	$192.50	Sep 25	$0.72	$1.78	$0.72	43%	2.47	$194.28
$170.00	$167.50	Oct 23	$0.14	$2.36	$0.14	16%	16.86	$169.86
$170.00	$167.50	Oct 30	$0.22	$2.28	$0.22	17%	10.36	$169.78

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 97 found (best R:R 0.77, avg 0.43)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$232.50	$235.00	Sep 25	$0.56	$0.56	$1.94	93%	0.29	$233.06
$220.00	$230.00	Oct 9	$1.82	$1.82	$8.18	76%	0.22	$221.82
$197.50	$200.00	Oct 2	$1.47	$1.47	$1.03	49%	1.43	$198.97
$200.00	$202.50	Oct 23	$1.41	$1.41	$1.09	50%	1.29	$201.41
$197.50	$200.00	Sep 18	$0.37	$0.37	$2.13	57%	0.17	$197.87

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$170.00	$167.50	Oct 9	$1.09	$1.09	$1.41	86%	0.77	$168.91
$190.00	$185.00	Oct 16	$2.43	$2.43	$2.57	63%	0.95	$187.57
$182.50	$180.00	Oct 30	$1.45	$1.45	$1.05	70%	1.38	$181.05
$180.00	$175.00	Oct 23	$1.81	$1.81	$3.19	74%	0.57	$178.19
$187.50	$185.00	Oct 23	$1.50	$1.50	$1.00	65%	1.50	$186.00

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 4 found (avg debit $4.41, cheapest $5.62)

CALLS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$197.50	Sep 18	Sep 25	$5.62	81.1%	57.4%
$202.50	Sep 25	Oct 2	$2.20	57.0%	55.2%

PUTS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$197.50	Sep 18	Sep 25	$5.70	81.1%	57.4%
$202.50	Sep 25	Oct 9	$4.13	57.0%	55.9%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 56 found (cheapest 0.50% of stock, avg 9.26%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$197.50	Sep 18	$0.38	$0.60	$0.98	$196.52	$198.48	0.50%
$195.00	Sep 18	$2.54	$0.01	$2.55	$192.45	$197.55	1.29%
$200.00	Sep 18	$0.01	$2.76	$2.77	$197.23	$202.77	1.40%
$192.50	Sep 18	$5.08	$0.03	$5.11	$187.39	$197.61	2.59%
$190.00	Sep 18	$7.48	$0.01	$7.49	$182.51	$197.49	3.80%
$205.00	Sep 18	$0.01	$7.73	$7.74	$197.26	$212.74	3.92%
$187.50	Sep 18	$9.73	$0.01	$9.74	$177.76	$197.24	4.94%
$195.00	Sep 25	$7.23	$4.47	$11.70	$183.30	$206.70	5.93%
$192.50	Sep 25	$8.32	$3.75	$12.07	$180.43	$204.57	6.12%
$185.00	Sep 18	$12.23	$0.02	$12.25	$172.75	$197.25	6.21%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 135 found (cheapest 1.91% of stock, avg 6.78%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$210.00	$187.50	Sep 25	$1.80	$1.96	$3.76	$183.74	$213.76
$207.50	$187.50	Sep 25	$2.47	$1.96	$4.43	$183.07	$211.93
$210.00	$190.00	Sep 25	$1.80	$2.58	$4.38	$185.62	$214.38
$207.50	$190.00	Sep 25	$2.47	$2.58	$5.05	$184.95	$212.55
$205.00	$187.50	Sep 25	$3.07	$1.96	$5.03	$182.47	$210.03
$205.00	$190.00	Sep 25	$3.07	$2.58	$5.65	$184.35	$210.65
$230.00	$175.00	Oct 16	$3.01	$3.39	$6.40	$168.60	$236.40
$210.00	$192.50	Sep 25	$1.80	$3.75	$5.55	$186.95	$215.55
$207.50	$192.50	Sep 25	$2.47	$3.75	$6.22	$186.28	$213.72
$202.50	$187.50	Sep 25	$3.90	$1.96	$5.86	$181.64	$208.36

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 151 found (best R:R 1.98, avg credit $1.33)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
168/170	212/215	Oct 9	$1.66	$0.84	56%	1.98	$168.34	$214.16
160/162	215/218	Sep 25	$0.94	$1.56	79%	0.60	$161.56	$215.94
160/162	228/230	Sep 25	$0.70	$1.80	88%	0.39	$161.80	$228.20
168/170	210/212	Oct 9	$1.57	$0.93	53%	1.69	$168.43	$211.57
160/162	208/210	Sep 25	$1.16	$1.34	68%	0.87	$161.34	$208.66
188/190	215/218	Oct 2	$1.80	$0.70	41%	2.57	$188.20	$216.80
170/172	215/218	Sep 25	$0.78	$1.72	79%	0.45	$171.72	$215.78
170/172	228/230	Sep 25	$0.54	$1.96	88%	0.28	$171.96	$228.04
160/162	212/215	Sep 25	$0.82	$1.68	76%	0.49	$161.68	$213.32
175/180	225/230	Oct 23	$2.78	$2.22	48%	1.25	$177.22	$227.78

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 80 found (best R:R 5.58, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$192.50	$195.00	$197.50	Sep 18	$0.38	$2.12	57%	5.58
$200.00	$210.00	$220.00	Oct 16	$0.88	$9.12	22%	10.36
$195.00	$197.50	$200.00	Sep 18	$1.79	$0.71	98%	0.40
$210.00	$220.00	$230.00	Oct 16	$0.70	$9.30	19%	13.29
$180.00	$185.00	$190.00	Oct 30	$0.12	$4.88	11%	40.67

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$195.00	$197.50	$200.00	Sep 18	$1.57	$0.93	96%	0.59
$192.50	$195.00	$197.50	Sep 18	$0.61	$1.89	54%	3.10
$177.50	$180.00	$182.50	Oct 2	$0.08	$2.42	7%	30.25
$172.50	$175.00	$177.50	Sep 25	$0.05	$2.45	2%	49.00
$180.00	$182.50	$185.00	Sep 25	$0.11	$2.39	6%	21.73

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 98 found (best net $-2.84, 82 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$192.50	$195.00	1:2	Sep 18	$0.00	$2.50
$220.00	$230.00	1:2	Oct 16	-$1.14	$8.86
$210.00	$220.00	1:2	Oct 16	-$2.31	$7.69
$200.00	$210.00	1:2	Oct 16	-$4.00	$6.00
$220.00	$225.00	1:2	Sep 25	-$0.23	$4.77

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$230.00	$210.00	1:2	Oct 16	-$2.84	$17.16
$210.00	$205.00	1:2	Sep 18	-$2.73	$2.27
$210.00	$197.50	1:2	Oct 23	-$5.41	$7.09
$170.00	$160.00	1:2	Oct 2	-$0.14	$9.86
$175.00	$170.00	1:2	Oct 2	-$0.28	$4.72

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 52 found (best yield 6.23%, avg 2.23%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$200.00	Oct 30	$12.30	0.51	1.4%	6.23%	7.60%	4	112
$210.00	Oct 30	$8.20	0.41	6.4%	4.16%	10.59%	6	11
$220.00	Oct 30	$5.65	0.32	11.5%	2.86%	14.36%	1	--
$200.00	Oct 23	$11.35	0.50	1.4%	5.75%	7.12%	22	--
$197.50	Oct 23	$12.20	0.53	0.1%	6.18%	6.28%	5	6
$202.50	Oct 23	$9.60	0.47	2.6%	4.87%	7.50%	1	--
$205.00	Oct 23	$8.65	0.44	3.9%	4.38%	8.28%	8	234
$217.50	Oct 23	$5.45	0.32	10.2%	2.76%	12.99%	1	--
$225.00	Oct 30	$4.40	0.27	14.0%	2.23%	16.26%	1	--
$210.00	Oct 23	$6.85	0.39	6.4%	3.47%	9.90%	15	26

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 15,374

Total Puts 9,042

Put/Call Ratio 0.59

Net Difference 6,332

Prior's Put/Call Breakdown

Total Calls 25,357

Total Puts 9,826

Put/Call Ratio 0.39

Net Difference 15,531

Prior 7-Day Put/Call Summary

Total Calls 215,907

Total Puts 124,551

Average Put/Call Ratio 0.56

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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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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