KLAC - Options Database

KLAC

KLA CORP

$163.43 +1.04%

$160.25 (-1.95%)🌙

as of 10/21 06:31 PM

(10/20 18:27) ◀

Wednesday, October 21, 2026 (6:32pm)

▶ (10/22 18:37)

◀ 10/21 18:32 ▶

Option Volume

Detail

ℹ

Current (10/21) 10,467

Calls: 5,672 (54%)

Puts: 4,795 (46%)

Prior (10/20) 13,667

Calls: 6,839 (50%)

Puts: 6,828 (50%)

Current vs Prior -23.41%

Calls: -17.06% (Calls)

Puts: -29.77% (Puts)

Prior 7-Day Total 86,482

Calls: 46,853 (54%)

Puts: 39,629 (46%)

Prior 7-Day Average 12,354

Calls: 6,693 (54%)

Puts: 5,661 (46%)

Current vs Prior 7-Day Avg -15.28%

Calls: -15.26%

Puts: -15.30%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (10/21) $13.18M

Calls: $8.00M (61%)

Puts: $5.18M (39%)

Prior (10/20) $23.25M

Calls: $12.45M (54%)

Puts: $10.79M (46%)

Current vs Prior -43.31%

Calls: -35.78%

Puts: -51.99%

Prior 7-Day Total $124.25M

Calls: $83.97M (68%)

Puts: $40.28M (32%)

Prior 7-Day Average $17.75M

Calls: $12.00M (68%)

Puts: $5.75M (32%)

Current vs Prior 7-Day Avg -25.75%

Calls: -33.34%

Puts: -9.94%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (10/21) 0.85

Prior (10/20) 1.00

Current vs Prior -15.33%

Prior 7-Day Average 0.88

Current vs Prior 7-Day Avg -3.77%

Sentiment NEUTRAL

Open Interest

Detail

ℹ

Current (10/21) 114,088

Calls: 52,173 (46%)

Puts: 61,915 (54%)

Prior (10/20) 121,493

Calls: 62,389 (51%)

Puts: 59,104 (49%)

Current vs Prior -6.10%

Prior 7-Day Total 894,278

Calls: 427,507 (48%)

Puts: 466,771 (52%)

Prior 7-Day Average 127,754

Calls: 61,072 (48%)

Puts: 66,681 (52%)

Current vs Prior 7-Day Avg -10.70%

Sentiment BULLISH

Expected Move

Detail

ℹ

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

Current 4.86% | 10.34%14.26% | 18.48%

Prior 6.24% | 10.91%14.87% | 18.86%

Current vs Prior -22.10% | -5.24%-4.12% | -2.01%

Prior 7-Day Avg 6.14% | 9.83%8.56% | 16.90%

Current vs 7-Day Avg -20.84% | +5.23%+66.55% | +9.37%

Prior 7-Day Eod 6.24% | 10.91%14.87% | 18.86%

Current vs 7-Day Eod -22.10% | -5.24%-4.12% | -2.01%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 53.86% | 33.90%

Calls: 71.72% | 24.56%

Puts: 36.00% | 43.24%

Prior 53.86% | 33.90%

Calls: 71.72% | 24.56%

Puts: 36.00% | 43.24%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 54.49% | 23.17%

Calls: 60.14% | 16.32%

Puts: 48.84% | 30.03%

Current vs 7-Day Avg -1.16% | +46.29%

Liquidity Expensive

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Moderately bullish flow with 61% call dollar volume ($8.00M).

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 NEUTRAL

Prior NEUTRAL

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

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Tightest Spreads

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Best Value <$1

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High Delta

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Ratio Spreads

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 11 of results (avg 7.9%, best 5.3%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$160.00	Nov 20	12.90	13.60	$13.25	5.3%	266	0.60	68
$162.00	Nov 20	11.80	12.50	$12.15	5.8%	155	0.57	248
$170.00	Oct 30	4.90	5.20	$5.05	5.9%	41	0.40	220
$162.50	Nov 20	11.20	12.30	$11.75	9.4%	20	0.56	2
$167.50	Oct 30	5.70	6.30	$6.00	10.0%	178	0.45	11

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$180.00	Oct 30	18.20	19.20	$18.70	5.3%	18	0.89	529
$182.00	Nov 20	22.30	24.20	$23.25	8.2%	40	0.76	461
$158.00	Nov 20	8.20	8.90	$8.55	8.2%	5	0.40	291
$188.00	Nov 20	26.40	28.90	$27.65	9.0%	4	0.83	--
$172.50	Nov 20	15.40	17.00	$16.20	9.9%	4	0.62	4

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. 65 found (avg delta 0.74, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$150.00	Oct 23	11.40	16.00	$13.70	33.6%	1	0.94	52
$137.00	Oct 30	25.80	31.30	$28.55	19.3%	1	0.93	1
$138.00	Oct 30	23.10	30.50	$26.80	27.6%	1	0.92	1
$145.00	Nov 6	18.60	24.60	$21.60	27.8%	5	0.83	1
$150.00	Oct 30	15.10	19.10	$17.10	23.4%	10	0.80	16

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$170.00	Oct 23	7.00	8.60	$7.80	20.5%	278	1.00	434
$175.00	Oct 23	10.00	13.60	$11.80	30.5%	8	1.00	411
$177.50	Oct 23	12.20	16.80	$14.50	31.7%	1	1.00	--
$180.00	Oct 23	14.20	19.20	$16.70	29.9%	26	1.00	641
$182.50	Oct 23	16.40	22.10	$19.25	29.6%	2	1.00	--

Most actively traded options today. High liquidity = easy entry/exit. 174 active (total vol 5.9K, top 352)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$180.00	Oct 30	2.15	2.75	$2.45	24.5%	352	0.23	353
$170.00	Oct 23	1.20	1.35	$1.27	11.8%	323	0.25	595
$160.00	Nov 20	12.90	13.60	$13.25	5.3%	266	0.60	68
$195.00	Nov 20	2.15	2.95	$2.55	31.4%	246	0.18	620
$165.00	Oct 23	2.65	3.20	$2.93	18.8%	209	0.45	74

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$150.00	Oct 30	2.20	2.85	$2.53	25.7%	343	0.22	124
$160.00	Nov 20	8.60	9.90	$9.25	14.1%	315	0.43	603
$140.00	Oct 30	0.75	1.00	$0.88	28.4%	286	0.09	45
$170.00	Oct 23	7.00	8.60	$7.80	20.5%	278	1.00	434
$162.50	Oct 23	2.80	3.70	$3.25	27.7%	212	0.58	251

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 11 strikes (avg 25.9%, max 44.7%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$165.00	Oct 23	Nov 27	78.9%	54.5%	44.7%	210	82
$172.50	Oct 23	Nov 20	78.1%	60.6%	28.9%	68	183
$160.00	Oct 23	Nov 20	74.9%	58.6%	27.9%	268	68
$170.00	Oct 23	Nov 20	77.3%	61.1%	26.5%	338	2.4K
$167.50	Oct 23	Nov 6	80.9%	66.1%	22.4%	4	132

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$165.00	Oct 23	Nov 27	78.9%	54.5%	44.7%	39	289
$160.00	Oct 23	Nov 27	74.9%	55.2%	35.8%	54	1.1K
$155.00	Oct 23	Nov 20	75.2%	60.4%	24.6%	62	701
$162.50	Oct 23	Nov 20	67.7%	59.8%	13.2%	274	339
$157.50	Oct 23	Oct 30	79.2%	77.0%	2.9%	128	241

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 116 found (best R:R 2.57, avg 3.54)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$165.00	$180.00	Nov 27	$4.20	$10.80	$4.20	51%	2.57	$169.20
$145.00	$162.50	Nov 6	$11.70	$5.80	$11.70	83%	0.50	$156.70
$167.50	$170.00	Nov 6	$0.40	$2.10	$0.40	46%	5.25	$167.90
$165.00	$175.00	Nov 13	$3.85	$6.15	$3.85	52%	1.60	$168.85
$168.00	$170.00	Nov 20	$0.50	$1.50	$0.50	48%	3.00	$168.50

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$195.00	$192.50	Oct 23	$1.50	$1.00	$1.50	100%	0.67	$193.50
$165.00	$162.50	Oct 23	$0.65	$1.85	$0.65	71%	2.85	$164.35
$170.00	$167.50	Oct 23	$1.65	$0.85	$1.65	100%	0.52	$168.35
$175.00	$172.50	Oct 30	$1.50	$1.00	$1.50	80%	0.67	$173.50
$160.00	$157.50	Oct 30	$0.60	$1.90	$0.60	43%	3.17	$159.40

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 89 found (best R:R 0.59, avg 0.42)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$187.50	$190.00	Oct 30	$1.15	$1.15	$1.35	82%	0.85	$188.65
$180.00	$190.00	Nov 27	$3.00	$3.00	$7.00	66%	0.43	$183.00
$165.00	$167.50	Nov 6	$1.50	$1.50	$1.00	49%	1.50	$166.50
$176.00	$178.00	Nov 20	$0.95	$0.95	$1.05	62%	0.90	$176.95
$167.50	$170.00	Oct 23	$0.83	$0.83	$1.67	65%	0.50	$168.33

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$160.00	$145.00	Nov 27	$5.55	$5.55	$9.45	56%	0.59	$154.45
$160.00	$150.00	Nov 13	$4.00	$4.00	$6.00	57%	0.67	$156.00
$150.00	$140.00	Nov 6	$2.10	$2.10	$7.90	74%	0.27	$147.90
$162.00	$160.00	Nov 20	$1.35	$1.35	$0.65	54%	2.08	$160.65
$160.00	$155.00	Nov 6	$2.30	$2.30	$2.70	57%	0.85	$157.70

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 6 found (avg debit $3.85, cheapest $3.92)

CALLS (4)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$165.00	Oct 23	Oct 30	$3.92	78.9%	73.4%
$167.50	Oct 23	Oct 30	$3.90	80.9%	75.5%
$160.00	Oct 23	Oct 30	$3.90	74.9%	71.8%
$162.50	Oct 23	Oct 30	$4.20	67.7%	72.5%

PUTS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$160.00	Oct 23	Oct 30	$3.40	74.9%	71.8%
$162.50	Oct 23	Oct 30	$3.75	67.7%	72.5%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 31 found (cheapest 4.18% of stock, avg 10.99%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$165.00	Oct 23	$2.93	$3.90	$6.83	$158.17	$171.83	4.18%
$162.50	Oct 23	$4.05	$3.25	$7.30	$155.20	$169.80	4.47%
$160.00	Oct 23	$5.60	$2.30	$7.90	$152.10	$167.90	4.83%
$167.50	Oct 23	$2.10	$6.15	$8.25	$159.25	$175.75	5.05%
$170.00	Oct 23	$1.27	$7.80	$9.07	$160.93	$179.07	5.55%
$175.00	Oct 23	$0.50	$11.80	$12.30	$162.70	$187.30	7.53%
$150.00	Oct 23	$13.70	$0.40	$14.10	$135.90	$164.10	8.63%
$177.50	Oct 23	$0.33	$14.50	$14.83	$162.67	$192.33	9.07%
$160.00	Oct 30	$9.50	$5.70	$15.20	$144.80	$175.20	9.30%
$162.50	Oct 30	$8.25	$7.00	$15.25	$147.25	$177.75	9.33%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 118 found (cheapest 0.55% of stock, avg 6.02%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$175.00	$150.00	Oct 23	$0.50	$0.40	$0.90	$149.10	$175.90
$175.00	$152.50	Oct 23	$0.50	$0.50	$1.00	$151.50	$176.00
$172.50	$150.00	Oct 23	$0.83	$0.40	$1.23	$148.77	$173.73
$172.50	$152.50	Oct 23	$0.83	$0.50	$1.33	$151.17	$173.83
$175.00	$155.00	Oct 23	$0.50	$0.83	$1.33	$153.67	$176.33
$172.50	$155.00	Oct 23	$0.83	$0.83	$1.66	$153.34	$174.16
$170.00	$150.00	Oct 23	$1.27	$0.40	$1.67	$148.33	$171.67
$170.00	$152.50	Oct 23	$1.27	$0.50	$1.77	$150.73	$171.77
$170.00	$155.00	Oct 23	$1.27	$0.83	$2.10	$152.90	$172.10
$175.00	$157.50	Oct 23	$0.50	$1.58	$2.08	$155.42	$177.08

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 78 found (best R:R 4.56, avg credit $1.20)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
150/152	188/190	Oct 30	$2.05	$0.45	54%	4.56	$150.45	$189.55
152/155	188/190	Oct 30	$2.17	$0.33	49%	6.58	$152.83	$189.67
140/143	188/190	Oct 30	$1.50	$1.50	70%	1.00	$141.50	$189.00
143/144	188/190	Oct 30	$1.27	$1.23	68%	1.03	$142.73	$188.77
145/150	188/190	Oct 30	$2.30	$2.70	60%	0.85	$147.70	$189.80
150/152	180/182	Oct 30	$1.45	$1.05	49%	1.38	$151.05	$181.45
152/155	180/182	Oct 30	$1.57	$0.93	44%	1.69	$153.43	$181.57
150/152	188/190	Nov 6	$1.33	$1.17	52%	1.14	$151.17	$188.83
150/152	190/192	Oct 30	$1.03	$1.47	62%	0.70	$151.47	$191.03
152/155	190/192	Oct 30	$1.15	$1.35	57%	0.85	$153.85	$191.15

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 43 found (best R:R 7.33, cheapest $0.06)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$165.00	$175.00	$185.00	Nov 13	$1.20	$8.80	28%	7.33
$170.00	$172.50	$175.00	Oct 23	$0.11	$2.39	13%	21.73
$175.00	$177.50	$180.00	Oct 23	$0.06	$2.44	6%	40.67
$162.50	$165.00	$167.50	Oct 23	$0.29	$2.21	21%	7.62
$175.00	$177.50	$180.00	Oct 30	$0.09	$2.41	7%	26.78

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$160.00	$165.00	$170.00	Nov 6	$0.30	$4.70	18%	15.67
$157.50	$160.00	$162.50	Oct 23	$0.23	$2.27	29%	9.87
$150.00	$152.50	$155.00	Oct 30	$0.12	$2.38	10%	19.83
$138.00	$140.00	$142.00	Nov 20	$0.13	$1.87	4%	14.38
$145.00	$146.00	$147.00	Oct 23	$0.12	$0.88	3%	7.33

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 65 found (best net $-1.90, 58 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$150.00	$160.00	1:2	Oct 30	-$1.90	$8.10
$165.00	$180.00	1:2	Nov 27	-$1.85	$13.15
$138.00	$150.00	1:2	Oct 30	-$7.40	$4.60
$180.00	$190.00	1:2	Nov 27	-$0.05	$9.95
$165.00	$175.00	1:2	Nov 13	-$2.15	$7.85

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$160.00	$150.00	1:2	Nov 13	-$0.35	$9.65
$175.00	$170.00	1:2	Oct 23	-$3.80	$1.20
$145.00	$135.00	1:2	Nov 13	-$0.06	$9.94
$150.00	$145.00	1:2	Oct 30	-$0.23	$4.77
$167.50	$165.00	1:2	Oct 23	-$1.65	$0.85

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 57 found (best yield 4.22%, avg 2.37%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$174.00	Nov 20	$6.90	0.40	6.5%	4.22%	10.69%	10	77
$176.00	Nov 20	$6.30	0.38	7.7%	3.85%	11.55%	4	37
$170.00	Nov 20	$8.00	0.46	4.0%	4.90%	8.92%	15	1.8K
$175.00	Nov 20	$6.50	0.39	7.1%	3.98%	11.06%	31	173
$172.50	Nov 20	$7.10	0.42	5.5%	4.34%	9.89%	7	6
$172.00	Nov 20	$7.00	0.43	5.2%	4.28%	9.53%	4	1.4K
$165.00	Nov 20	$9.80	0.52	1.0%	6.00%	6.96%	14	24
$168.00	Nov 20	$8.40	0.48	2.8%	5.14%	7.94%	4	1.0K
$166.00	Nov 20	$9.20	0.51	1.6%	5.63%	7.20%	1	28
$164.00	Nov 20	$10.10	0.54	0.3%	6.18%	6.53%	6	13

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 5,672

Total Puts 4,795

Put/Call Ratio 0.85

Net Difference 877

Prior's Put/Call Breakdown

Total Calls 6,839

Total Puts 6,828

Put/Call Ratio 1.00

Net Difference 11

Prior 7-Day Put/Call Summary

Total Calls 46,853

Total Puts 39,629

Average Put/Call Ratio 0.88

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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