Information Technology

KLA Corp (KLAC) options and signal

Figures as of 28 Sep 2026

KLAC is KLA Corp, an Information Technology name the model ranks every trading day. The options figures are from the close on 28 Sep 2026. The model's figures are from 25 Sep 2026, one trading day behind the latest, as the Free plan shows them. Every model figure is paper trading.

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At a glance

Figure	Value	Date
IV rank	99 of 100	28 Sep
At the money IV	61.9%	28 Sep
Priced move to 30 Oct	18.1% down, 18.3% up	28 Sep
Call wall and put wall	190 and 224	28 Sep
Signal and the desk's view	No signal, view neutral	25 Sep
Last close	189.17	28 Sep
Next report	28 Oct 2026	28 Sep

Options Snapshot

KLAC's IV rank is 99 of 100 on 28 Sep 2026.

Figure	Value
IV rank	99 of 100
At the money IV	61.9%, near month, 32 days
Put/call ratio, open interest	1.48
Call open interest, strikes captured near the price	61,500 contracts
Put open interest, strikes captured near the price	91,100 contracts
Cost to trade at the money	Fair, 17.1% of the option's mid price

IV rank is where the at the money IV sits among KLAC's own weekly readings, 0 the lowest and 100 the highest.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Priced Range

On 28 Sep 2026, KLAC options priced a move of 18.1 percent down and 18.3 percent up by 30 Oct 2026.

Expiry	Days	Down	Up	Range
2 Oct 2026	4	6.0%	6.0%	177.87 to 200.57
9 Oct 2026	11	9.6%	9.1%	170.97 to 206.47
23 Oct 2026	25	14.9%	15.4%	160.97 to 218.37
30 Oct 2026	32	18.1%	18.3%	154.87 to 223.87
20 Nov 2026	53	22.1%	23.4%	147.27 to 233.37
18 Dec 2026	81	26.5%	27.9%	138.97 to 241.97
19 Mar 2027	172	37.1%	41.2%	118.97 to 267.17

The range is one standard deviation either side of the close of 189.17, as the option prices imply it.

A priced move restates option prices at the close and says nothing certain about where the price goes.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Gamma Map

On 28 Sep 2026, KLAC's call wall is the 190 strike and its put wall is the 224 strike.

Figure	Value
Call wall, most open call gamma	190
Put wall, most open put gamma	224
Net dollar gamma, calls minus puts	$980,919
Total dollar gamma, both sides	$48.26 million
Close	189.17

Dollar gamma is stated for a one percent move in the price.

Net is calls minus puts under the standard convention, not a record of who holds the contracts.

Net gamma changes sign at 9 strikes, so no single flip strike is named.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility History

On 28 Sep 2026, KLAC's at the money IV is 61.9 percent against 20 day realized volatility of 47.6 percent.

Figure	Value
At the money IV	61.9%
Realized volatility, 20 trading days	47.6%
Realized volatility, 60 trading days	55.8%
IV against its own weekly record	High, in the top fifth
Weekly readings on record	865, from 8 Jan 2010
Weeks the price moved more than the one week priced move	28.6% of 252 weeks

Realized volatility is worked out from the daily closes the desk holds, not from the option chain.

From the option chain at the close on 28 Sep 2026. Current on every plan.

Open Volatility History in RingMaster The Volatility History guide

Volatility Weather

On 28 Sep 2026, KLAC's at the money IV runs from 56.6 percent at 4 days to 56.6 percent at 172 days.

Days to expiry	At the money IV
4	56.6%
11	55.3%
18	57.3%
25	59.2%
39	61.2%
53	60.7%
81	56.8%
172	56.6%

Near and far expiries price about the same volatility, a flat term structure.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility Smile

On 28 Sep 2026, at the 32 day expiry, KLAC's IV ten percent below the price sits 1.1 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	63.0%	+1.1 points
At the money	61.9%	0.0 points
10% above the price	61.7%	-0.2 points

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility Surface

On 28 Sep 2026, KLAC's surface spans 10 expiries out to 172 days, with IV from 51.3 to 63.0 percent near the price.

Figure	Value
Expiries captured	10
Nearest expiry	2 Oct 2026, 4 days
Farthest expiry	19 Mar 2027, 172 days
Points within 10% of the price, 7 days out or more	147
Lowest IV among them	51.3%
Highest IV among them	63.0%

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Expiry Ladder

On 28 Sep 2026, KLAC has 10 captured expiries, from 2 Oct 2026 to 19 Mar 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
2 Oct 2026	4	56.6%	9,476	3,051
9 Oct 2026	11	55.3%	1,841	2,538
16 Oct 2026	18	57.3%	11,221	14,177
23 Oct 2026	25	59.2%	1,488	1,631
30 Oct 2026	32	61.9%	748	1,024
6 Nov 2026	39	61.2%	112	34
20 Nov 2026	53	60.7%	10,920	32,180
18 Dec 2026	81	56.8%	5,935	5,141
15 Jan 2027	109	57.1%	14,696	23,002
19 Mar 2027	172	56.6%	5,087	8,337

Open interest is summed over the strikes captured near the price on each expiry.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Strike Table

On 28 Sep 2026, KLAC's largest open interest sits at the 224 strike, with 20,683 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
224	647	20,036	20,683
190	5,785	3,870	9,655
155	135	9,296	9,431
200	6,783	2,378	9,161
170	4,309	4,094	8,403
180	2,706	5,152	7,858

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Since Yesterday

From 25 Sep 2026 to 28 Sep 2026, KLAC's at the money IV moved from 55.3 percent to 61.9 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	55.3%	61.9%	+6.6 points
Open interest, strikes captured near the price	152,329	152,639	+310
Put/call ratio, open interest	1.58	1.48	-0.10

Open interest changes cannot identify buyers or sellers.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Changed Hands

On 28 Sep 2026, 19,556 KLAC option contracts traded, 0.8 times its own recent average.

Figure	Value
Calls traded	8,920
Puts traded	10,636
Against its recent average	0.8 times
Busier than	1 of its last 20 trading days
Open interest, whole chain	312,959 contracts
Volume to open interest	0.06
Unusual volume flag	Yes, 1 contract traded well above open interest
Largest flagged contract	The 185 put expiring 2 Oct, 600 traded against 133 open

Traded volume and open interest are shown side by side and never combined. Open interest changes cannot identify buyers or sellers.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Positioning Replay

The replay holds 33 trading days of KLAC's option positioning, from 11 Aug 2026 to 28 Sep 2026.

Date	Close	Net dollar gamma	Top call strike	Top put strike
11 Aug 2026	200.47	minus $12.5 million	200	224
21 Sep 2026	183.97	minus $330,845	178	180
28 Sep 2026	189.17	$980,919	190	224

Each frame restates one nightly capture. Net is calls minus puts, a convention, not who holds the contracts.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Read-out

On 25 Sep 2026 the desk's view of KLAC was neutral, paper trading.

Figure	Value
Side	Neutral at 45 trading days, no signal
Level above the close	190.87, the swing high of 8 Sep 2026
Level below the close	188.60, the swing low of 22 Sep 2026
Strategy family	Iron condor (sell both sides, defined risk)
Price target	None. The desk has no price model.

The levels are prices the shares turned at on the chart, with the date of each.

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

Open Read-out in RingMaster The Read-out guide

Rank by Timeframe

On 25 Sep 2026 KLAC sat at the 27th percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	93 of 100	Bullish
20 trading days	43 of 100	Neutral
45 trading days	27 of 100	Neutral

100 is the top of the ranking. A name in the middle three fifths is neutral.

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Timeframe Agreement

On 25 Sep 2026 KLAC's near timeframes were bullish and its long timeframe was neutral, paper trading.

Group	Timeframes	Side	On that side
Near	10 day, 20 day	Bullish	1 of 2
Long	45 day	Neutral	0 of 1

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Signal History

On 25 Sep 2026 KLAC had carried no signal for at least 18 trading days, paper trading.

Trading day	Signal	45 day percentile
25 Sep 2026	None	27 of 100
24 Sep 2026	None	84 of 100
23 Sep 2026	None	15 of 100
22 Sep 2026	None	23 of 100
21 Sep 2026	None	68 of 100
18 Sep 2026	None	83 of 100
17 Sep 2026	None	93 of 100
16 Sep 2026	None	53 of 100

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

Open Signal History in RingMaster The Signal History guide

Sector Split

On 25 Sep 2026, 80 of 187 Information Technology names were bullish and 61 were bearish, paper trading.

Sector	Names	Bullish	Bearish	Neutral
Information Technology	187	80	61	46

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Price Chart

KLAC closed at 189.17 on 28 Sep 2026.

Figure	Value
Last close	189.17
Change over 5 trading days	+2.8%
Change over 21 trading days	+2.9%
Change over 63 trading days	-32.0%
Change over 252 trading days	+78.6%
52 week high	307.37
52 week low	98.10
20 day moving average	179.08
50 day moving average	188.42
200 day moving average	176.27
RSI, 14 days	55

Worked out from the desk's own daily bars, adjusted for share splits.

From the daily bars through 28 Sep 2026. Current on every plan.

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Earnings Radar

KLAC reports next on 28 Oct 2026, a date worked out from past quarters.

Figure	Value
Next report	28 Oct 2026, after the close
Date	Worked out from past quarters
Move after the report of 28 Jul 2026	-10.8%
Move after the report of 30 Apr 2026	-1.4%
Move after the report of 28 Jan 2026	+3.5%
Move after the report of 30 Apr 2025	-3.8%

Earnings calendar as of 28 Sep 2026. Current on every plan.

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Short Volume

On 25 Sep 2026, 23.8 percent of KLAC's reported volume at the covered venues was marked short.

Figure	Value
Short sale share, 25 Sep	23.8%
Five day average	43.7%
52 week median	55.3%

Short sale volume counts trades marked short at the covered venues, mostly off exchange. It is not the same as short interest.

Short volume as of 25 Sep 2026. Current on every plan.

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Seasonality

In the 23 Septembers on record, KLAC's average change was plus 1.2 percent, and it rose in 47.8 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	+1.2%	-0.2%	47.8%	23
October	+3.2%	+2.7%	69.6%	23
November	+2.6%	-1.0%	45.5%	22

Each figure is a month end to month end change in past years. A past month says nothing certain about the next one.

Monthly history through 28 Sep 2026. Current on every plan.

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Questions

What is KLAC's IV rank?: KLAC's IV rank is 99 of 100 on 28 Sep 2026.
What move are KLAC options pricing?: On 28 Sep 2026, KLAC options priced a move of 18.1 percent down and 18.3 percent up by 30 Oct 2026.
Where are KLAC's call wall and put wall?: On 28 Sep 2026, KLAC's call wall is the 190 strike and its put wall is the 224 strike.
What was the desk's latest view of KLAC on the Free plan?: On 25 Sep 2026 the desk's view of KLAC was neutral, paper trading.
When does KLAC report earnings next?: KLAC reports next on 28 Oct 2026, a date worked out from past quarters.

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