ZS - Options Database

ZSCALER INC

$255.15 +7.31%

$254.70 (-0.18%)🌙

as of 10/23 07:04 PM

(10/22 19:06) ◀

Friday, October 23, 2026 (7:04pm)

▶ (10/26 19:05)

◀ 10/23 19:04 ▶

Option Volume

Detail

ℹ

Current (10/23) 27,839

Calls: 20,039 (72%)

Puts: 7,800 (28%)

Prior (10/22) 16,782

Calls: 11,232 (67%)

Puts: 5,550 (33%)

Current vs Prior +65.89%

Calls: +78.41% (Calls)

Puts: +40.54% (Puts)

Prior 7-Day Total 98,926

Calls: 55,950 (57%)

Puts: 42,976 (43%)

Prior 7-Day Average 14,132

Calls: 7,992 (57%)

Puts: 6,139 (43%)

Current vs Prior 7-Day Avg +96.99%

Calls: +150.71%

Puts: +27.05%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (10/23) $36.30M

Calls: $32.51M (90%)

Puts: $3.79M (10%)

Prior (10/22) $16.75M

Calls: $13.75M (82%)

Puts: $2.99M (18%)

Current vs Prior +116.75%

Calls: +136.35%

Puts: +26.69%

Prior 7-Day Total $91.12M

Calls: $60.56M (66%)

Puts: $30.56M (34%)

Prior 7-Day Average $13.02M

Calls: $8.65M (66%)

Puts: $4.37M (34%)

Current vs Prior 7-Day Avg +178.86%

Calls: +275.75%

Puts: -13.14%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (10/23) 0.39

Prior (10/22) 0.49

Current vs Prior -21.23%

Prior 7-Day Average 0.85

Current vs Prior 7-Day Avg -54.40%

Sentiment BULLISH

Open Interest

Detail

ℹ

Current (10/23) 133,722

Calls: 82,059 (61%)

Puts: 51,663 (39%)

Prior (10/22) 122,072

Calls: 73,644 (60%)

Puts: 48,428 (40%)

Current vs Prior +9.54%

Prior 7-Day Total 731,547

Calls: 451,644 (62%)

Puts: 279,903 (38%)

Prior 7-Day Average 104,506

Calls: 64,520 (62%)

Puts: 39,986 (38%)

Current vs Prior 7-Day Avg +27.96%

Sentiment BEARISH

Expected Move

Detail

ℹ

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

Current 1.39% | 7.83%14.73% | 23.84%

Prior 3.41% | 7.77%14.25% | 23.35%

Current vs Prior +129.85% | +35.97%+3.36% | +2.10%

Prior 7-Day Avg 5.04% | 8.18%11.39% | 21.21%

Current vs 7-Day Avg +55.29% | +29.05%+29.28% | +12.40%

Prior 7-Day Eod 3.41% | 7.77%14.25% | 23.35%

Current vs 7-Day Eod +129.85% | +35.97%+3.36% | +2.10%

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 18.25% | 8.01%

Calls: 13.69% | 8.15%

Puts: 22.82% | 7.87%

Current vs 7-Day Avg +0.00% | +0.00%

Liquidity Expensive

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🤖 AI Insights

Strong bullish conviction with 90% of dollar volume in calls ($32.51M) vs puts ($3.79M). Massive premium surge with dollar volume up 117% vs prior. Dollar volume significantly above 7-day average (179% higher). Above-average activity with volume up 66% vs prior.

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

📊

High Delta

⚖️

Ratio Spreads

🛡️

Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 62 of results (avg 7.7%, best 3.9%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$270.00	Nov 20	11.35	11.80	$11.58	3.9%	608	0.40	2.4K
$205.00	Oct 23	48.90	51.00	$49.95	4.2%	15	0.94	210
$220.00	Nov 20	38.90	40.95	$39.92	5.1%	128	0.82	2.7K
$210.00	Nov 20	46.75	49.40	$48.08	5.5%	14	0.87	1.0K
$210.00	Nov 6	44.60	47.35	$45.98	6.0%	21	0.93	62

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$275.00	Oct 30	21.75	23.10	$22.43	6.0%	10	0.79	1
$300.00	Oct 30	43.85	46.95	$45.40	6.8%	1	0.95	--
$280.00	Nov 6	28.25	30.80	$29.53	8.6%	3	0.76	--
$280.00	Nov 13	30.00	32.85	$31.43	9.1%	1	0.71	--
$270.00	Nov 20	25.05	27.55	$26.30	9.5%	1	0.60	--

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 1 found (avg $0.93, cheapest $0.93)

CALLS (1)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$290.00	Oct 30	0.85	1.01	$0.93	17.2%	27	0.09	16

PUTS (0)

No puts meet the criteria

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 118 found (avg delta 0.77, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$215.00	Oct 23	38.30	41.00	$39.65	6.8%	31	1.00	233
$220.00	Oct 23	33.30	35.95	$34.63	7.7%	31	1.00	681
$230.00	Oct 23	23.30	26.25	$24.78	11.9%	56	1.00	517
$237.50	Oct 23	15.85	18.40	$17.13	14.9%	176	1.00	601
$205.00	Oct 30	48.55	51.60	$50.08	6.1%	31	1.00	322

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$257.50	Oct 23	1.41	4.20	$2.81	99.3%	2	1.00	--
$300.00	Oct 30	43.85	46.95	$45.40	6.8%	1	0.95	--
$280.00	Oct 23	23.65	26.55	$25.10	11.6%	1	0.90	--
$272.50	Oct 23	15.95	19.05	$17.50	17.7%	1	0.88	--
$280.00	Oct 30	25.75	28.45	$27.10	10.0%	10	0.85	--

Most actively traded options today. High liquidity = easy entry/exit. 281 active (total vol 21.2K, top 1.2K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$255.00	Oct 23	0.50	0.95	$0.73	61.6%	1.2K	0.59	569
$250.00	Oct 23	4.35	5.60	$4.97	25.2%	1.1K	0.96	370
$245.00	Oct 23	8.35	11.15	$9.75	28.7%	923	0.95	670
$250.00	Oct 30	10.30	12.60	$11.45	20.1%	776	0.60	797
$275.00	Oct 30	2.47	2.83	$2.65	13.6%	755	0.21	55

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$220.00	Oct 30	0.48	0.62	$0.55	25.5%	563	0.05	372
$250.00	Oct 30	6.25	7.00	$6.63	11.3%	419	0.40	9
$210.00	Oct 30	0.04	0.40	$0.22	163.6%	334	0.02	1.1K
$250.00	Oct 23	0.00	0.10	$0.05	200.0%	279	0.04	16
$240.00	Oct 30	2.80	3.50	$3.15	22.2%	217	0.23	205

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 2.5%, max 2.5%)

CALLS (0)

No calls found

PUTS (1)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$260.00	Oct 30	Nov 20	64.7%	63.1%	2.5%	39	47

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 165 found (best R:R 0.92, avg 3.83)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$217.50	$220.00	Nov 13	$1.30	$1.20	$1.30	86%	0.92	$218.80
$260.00	$270.00	Nov 20	$3.50	$6.50	$3.50	48%	1.86	$263.50
$255.00	$260.00	Nov 13	$1.68	$3.32	$1.68	52%	1.98	$256.68
$255.00	$260.00	Dec 4	$1.93	$3.07	$1.93	55%	1.59	$256.93
$230.00	$235.00	Dec 4	$2.75	$2.25	$2.75	71%	0.82	$232.75

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$250.00	$247.50	Oct 30	$0.23	$2.27	$0.23	40%	9.87	$249.77
$210.00	$205.00	Nov 27	$0.21	$4.79	$0.21	15%	22.81	$209.79
$240.00	$237.50	Oct 30	$0.18	$2.32	$0.18	23%	12.89	$239.82
$230.00	$225.00	Nov 13	$0.71	$4.29	$0.71	23%	6.04	$229.29
$255.00	$252.50	Oct 30	$0.90	$1.60	$0.90	49%	1.78	$254.10

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 124 found (best R:R 0.47, avg 0.45)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$260.00	$265.00	Nov 13	$2.67	$2.67	$2.33	53%	1.15	$262.67
$290.00	$295.00	Nov 13	$1.35	$1.35	$3.65	78%	0.37	$291.35
$257.50	$260.00	Oct 30	$1.45	$1.45	$1.05	53%	1.38	$258.95
$277.50	$280.00	Nov 6	$0.92	$0.92	$1.58	73%	0.58	$278.42
$265.00	$267.50	Oct 30	$1.07	$1.07	$1.43	65%	0.75	$266.07

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$235.00	$210.00	Dec 4	$8.05	$8.05	$16.95	68%	0.47	$226.95
$215.00	$210.00	Nov 27	$1.80	$1.80	$3.20	81%	0.56	$213.20
$232.50	$230.00	Oct 23	$1.06	$1.06	$1.44	89%	0.74	$231.44
$242.50	$240.00	Oct 30	$1.55	$1.55	$0.95	71%	1.63	$240.95
$247.50	$245.00	Oct 30	$1.70	$1.70	$0.80	64%	2.13	$245.80

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 5 found (avg debit $5.46, cheapest $3.12)

CALLS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$262.50	Oct 30	Nov 6	$3.12	67.9%	64.6%
$255.00	Oct 23	Oct 30	$8.57	62.9%	67.8%

PUTS (3)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$262.50	Oct 30	Nov 6	$3.40	67.9%	64.6%
$260.00	Oct 30	Nov 6	$3.25	64.7%	66.0%
$255.00	Oct 23	Oct 30	$8.98	62.9%	67.8%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 70 found (cheapest 0.46% of stock, avg 10.74%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$255.00	Oct 23	$0.73	$0.45	$1.18	$253.82	$256.18	0.46%
$252.50	Oct 23	$2.42	$0.20	$2.62	$249.88	$255.12	1.03%
$257.50	Oct 23	$0.03	$2.81	$2.84	$254.66	$260.34	1.11%
$250.00	Oct 23	$4.97	$0.05	$5.02	$244.98	$255.02	1.97%
$247.50	Oct 23	$7.57	$0.15	$7.72	$239.78	$255.22	3.03%
$245.00	Oct 23	$9.75	$0.13	$9.88	$235.12	$254.88	3.87%
$242.50	Oct 23	$12.45	$0.28	$12.73	$229.77	$255.23	4.99%
$240.00	Oct 23	$15.23	$0.01	$15.24	$224.76	$255.24	5.97%
$237.50	Oct 23	$17.13	$0.01	$17.14	$220.36	$254.64	6.72%
$250.00	Oct 30	$11.45	$6.63	$18.08	$231.92	$268.08	7.09%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 160 found (cheapest 0.09% of stock, avg 8.09%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$257.50	$252.50	Oct 23	$0.03	$0.20	$0.23	$252.27	$257.73
$257.50	$242.50	Oct 23	$0.03	$0.28	$0.31	$242.19	$257.81
$257.50	$210.00	Oct 23	$0.03	$1.07	$1.10	$208.90	$258.60
$257.50	$212.50	Oct 23	$0.03	$1.07	$1.10	$211.40	$258.60
$257.50	$232.50	Oct 23	$0.03	$1.07	$1.10	$231.40	$258.60
$280.00	$252.50	Oct 23	$1.07	$0.20	$1.27	$251.23	$281.27
$280.00	$242.50	Oct 23	$1.07	$0.28	$1.35	$241.15	$281.35
$280.00	$232.50	Oct 23	$1.07	$1.07	$2.14	$230.36	$282.14
$280.00	$212.50	Oct 23	$1.07	$1.07	$2.14	$210.36	$282.14
$280.00	$210.00	Oct 23	$1.07	$1.07	$2.14	$207.86	$282.14

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 208 found (best R:R 11.50, avg credit $1.59)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
240/242	268/270	Oct 30	$2.30	$0.20	41%	11.50	$240.20	$269.80
210/215	295/300	Nov 27	$2.92	$2.08	55%	1.40	$212.08	$297.92
230/232	278/280	Nov 6	$1.89	$0.61	51%	3.10	$230.61	$279.39
230/235	290/295	Nov 13	$3.00	$2.00	50%	1.50	$232.00	$293.00
235/238	265/268	Oct 30	$1.87	$0.63	44%	2.97	$235.63	$266.87
225/228	278/280	Nov 6	$1.53	$0.97	55%	1.58	$225.97	$279.03
210/212	278/280	Nov 6	$1.23	$1.27	65%	0.97	$211.27	$278.73
220/222	265/268	Oct 30	$1.40	$1.10	57%	1.27	$221.10	$266.40
205/208	278/280	Nov 6	$1.15	$1.35	67%	0.85	$206.35	$278.65
222/225	290/295	Nov 13	$2.42	$2.58	58%	0.94	$222.58	$292.42

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 127 found (best R:R 44.45, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$260.00	$270.00	$280.00	Nov 20	$0.22	$9.78	16%	44.45
$252.50	$255.00	$257.50	Oct 23	$0.99	$1.51	80%	1.53
$255.00	$257.50	$260.00	Oct 23	$0.70	$1.80	57%	2.57
$280.00	$290.00	$300.00	Nov 20	$0.44	$9.56	12%	21.73
$245.00	$250.00	$255.00	Nov 20	$0.11	$4.89	9%	44.45

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$250.00	$252.50	$255.00	Oct 23	$0.10	$2.40	53%	24.00
$240.00	$245.00	$250.00	Nov 13	$0.12	$4.88	10%	40.67
$225.00	$230.00	$235.00	Nov 27	$0.08	$4.92	7%	61.50
$235.00	$240.00	$245.00	Dec 4	$0.08	$4.92	6%	61.50
$245.00	$247.50	$250.00	Nov 6	$0.07	$2.43	6%	34.71

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 88 found (best net $-8.80, 73 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$290.00	$295.00	1:2	Oct 30	-$0.09	$4.91
$260.00	$265.00	1:2	Oct 23	-$0.05	$4.95
$257.50	$260.00	1:2	Oct 23	-$0.03	$2.47
$275.00	$280.00	1:2	Oct 30	-$0.77	$4.23
$270.00	$275.00	1:2	Oct 23	-$0.01	$4.99

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$300.00	$280.00	1:2	Oct 30	-$8.80	$11.20
$247.50	$245.00	1:2	Oct 23	-$0.11	$2.39
$240.00	$237.50	1:2	Oct 23	-$0.01	$2.49
$230.00	$227.50	1:2	Oct 23	-$0.01	$2.49
$220.00	$215.00	1:2	Nov 6	-$0.45	$4.55

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 52 found (best yield 8.72%, avg 2.84%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$260.00	Dec 4	$22.25	0.52	1.9%	8.72%	10.62%	123	--
$270.00	Dec 4	$17.50	0.46	5.8%	6.86%	12.68%	3	4
$265.00	Dec 4	$19.30	0.49	3.9%	7.56%	11.42%	5	--
$280.00	Dec 4	$14.05	0.40	9.7%	5.51%	15.25%	295	1
$285.00	Dec 4	$12.55	0.37	11.7%	4.92%	16.62%	1	--
$290.00	Dec 4	$11.25	0.34	13.7%	4.41%	18.07%	1	--
$295.00	Dec 4	$10.00	0.32	15.6%	3.92%	19.54%	1	--
$300.00	Dec 4	$8.80	0.30	17.6%	3.45%	21.03%	7	--
$260.00	Nov 27	$17.50	0.50	1.9%	6.86%	8.76%	7	--
$270.00	Nov 27	$13.10	0.43	5.8%	5.13%	10.95%	91	24

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 20,039

Total Puts 7,800

Put/Call Ratio 0.39

Net Difference 12,239

Prior's Put/Call Breakdown

Total Calls 11,232

Total Puts 5,550

Put/Call Ratio 0.49

Net Difference 5,682

Prior 7-Day Put/Call Summary

Total Calls 55,950

Total Puts 42,976

Average Put/Call Ratio 0.85

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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