$194.93▼ −1.60 · −0.8%from $196.53 the session before · Sep 30, 2026 close · end of day
Open
$196.01
High
$197.60
Low
$193.95
Day's range
$3.71.9% of the previous close
VWAP
$195.43close −0.26% from it
Volume, shares
6.86M0.71× the 20-session average
Traded, $
$1.34B
Trades
269K26 shares per trade
Previous close
$196.53−1.60 to the close
Market cap
$254.69Bat the close of Sep 30
Day range27% of the way up
$193.95$197.60
52-week range34% of the way up
$137.44 Mar 30$307.37 Jun 30
−37% from the high · +42% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
balanced
options read
calls 44% · puts 56% of OI
1.28
puts per call, by OI
Oct 16 expiry 0.94
$180.00
max pain
−7.7% from the close
$220.00
most call OI
1.89K contracts · +13% from the close
▲ +1.1%
option OI on the day
+4.03K contracts · 363K open
Balanced into a 16-day expiry: 1.28 puts per call by open interest, option OI +1.1% on the day, the most call OI sits at $220.00, the most put OI at $155.00, max pain $180.00.
Options
Sep 30 open interest · 14 expiries listed
KLAC options carry 363K contracts of open interest across 14 expiries, 6.8% of it in the Oct 16 contract, with 1.28 puts per call.
Open interest by expirythe next 8 of 14 expiries · share of all open interest
Option open interest by expiry, the next 8 expiries
Expiry
Call OI · on the day
Put OI · on the day
Puts per call
Share of OI %
Strikes
Oct 22 days
10.9K+727
4.4K+146
0.40
4.2
65
Oct 99 days
3.03K+109
3.69K+253
1.22
1.8
52
Oct 1616 days
12.7K+310
11.9K−45
0.94
6.8
40
Oct 2323 days
2.81K+424
2.72K+24
0.97
1.5
34
Oct 3030 days
874+66
1.25K+94
1.43
0.58
34
Nov 637 days
203+11
297+143
1.46
0.14
34
Nov 2051 days
17.5K+299
40.3K+57
2.30
16
109
Dec 1879 days
16K+93
22.4K+17
1.40
11
174
87% of open interest sits beyond the Oct 16 contract · 40 strikes listed for it · 363K contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 12.7K calls and 11.9K puts, the most call OI at $220.00 and the most put OI at $155.00; max pain $180.00, −7.7% from the close.
Call OI, contracts
12.7K+310 on the day
Put OI, contracts
11.9K−45 on the day
Puts per call, by OI
0.94all expiries 1.28
Max pain
$180.00−7.7% from the close
Strikes listed
40for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
1.89K
$220.00
1.27K
$210.00
1.63K
$200.00
$170.00
1.11K
$165.00
1.1K
$155.00
3.92K
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
+62
$230.00
+62
$220.00
+63
$215.00
$177.50
+15
$175.00
+18
$155.00
+30
Close $ · S&P 500 rebased to the first close126 sessions to Sep 30 · axis fixed at 4 × ATR-14 around the last close · hover or tap a session and the read beside the chart follows it
consolidated · latest filed Aug 6, 2026 · SEC filings
Revenue $3.66B, +15% on a year earlier; profit $1.36B, +13% in the Jun 2026 quarter, consolidated.
Last 8 quarters, consolidatedUS dollars as filed · year on year against the same quarter a year earlier · market: close on the first session after the filing against the last close before it, S&P 500 over the same session
Quarterly results of KLAC on the consolidated basis with the market's move on the first session after each filing
Quarter
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
Market on the day
Jun 2026filed Aug 6
$3.66B
▲ +15%
$1.36B
▲ +13%
-22.61
▲ +2.5%S&P 500 +0.6% · +1.9 pp
Mar 2026filed Apr 30
$3.42B
▲ +11%
$1.20B
▲ +10%
9.12
▼ −1.4%S&P 500 +0.3% · −1.7 pp
Dec 2025filed Apr 30
$3.30B
▲ +7.2%
$1.15B
▲ +39%
8.68
▼ −1.4%S&P 500 +0.3% · −1.7 pp
Sep 2025filed Apr 30
$3.21B
▲ +13%
$1.12B
▲ +19%
8.47
▼ −1.4%S&P 500 +0.3% · −1.7 pp
Jun 2025filed Aug 8
$3.17B
▲ +24%
$1.20B
▲ +44%
9.04
—not reached
Mar 2025filed Apr 30
$3.06B
▲ +30%
$1.09B
▲ +81%
8.16
▼ −1.4%S&P 500 +0.3% · −1.7 pp
Dec 2024filed Apr 30
$3.08B
▲ +24%
$824.5M
▲ +42%
6.16
▼ −1.4%S&P 500 +0.3% · −1.7 pp
Sep 2024filed Apr 30
$2.84B
▲ +19%
$945.9M
▲ +28%
7.01
▼ −1.4%S&P 500 +0.3% · −1.7 pp
By fiscal yearfiscal years as filed in the 10-K · named by the year the fiscal year ends
Financial-year results of KLAC on the consolidated basis, summed from the quarters filed
Year
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
FY26to Jun 2026
$13.58B
▲ +12%
$4.83B
▲ +19%
3.66
FY25to Jun 2025
$12.16B
▲ +24%
$4.06B
▲ +47%
3.04
FY24to Jun 2024
$9.81B
▼ −6.5%
$2.76B
▼ −18%
2.03
FY23to Jun 2023
$10.50B
▲ +14%
$3.39B
▲ +2.0%
24.15
FY22to Jun 2022
$9.21B
▲ +33%
$3.32B
▲ +60%
21.92
Fundamentals
consolidated · filings to Jun 2026 · close $194.93 on Sep 30
KLAC trades at 53 times trailing earnings, 40 times book value, revenue +12% over twelve months, a 1.3% dividend yield, market cap $254.69B.
Valuation
Market cap
$254.69Bon Sep 30
Price to earnings
53consolidated · four quarters to Jun 2026
Trailing EPS
$3.66diluted · consolidated · four quarters to Jun 2026
Price to book
40consolidated · balance sheet to Jun 2026
Book value a share
$4.86consolidated · balance sheet to Jun 2026
Debt to equity
0.93borrowings over equity · consolidated · balance sheet to Jun 2026
Return on equity
88%trailing profit over average equity · consolidated
Dividend yield
1.3%$2.53 a share in 365 days
Price to sales
19market cap over revenue, four quarters to Jun 2026
Shares outstanding
1.31Bon Sep 30
Growthsums of the four quarters filed to Jun 2026 · growth against the four quarters before them · consolidated
Revenue, trailing 12 months
$13.58Bfour quarters to Jun 2026
Revenue growth, 12 months
▲ +12%against the twelve months before
Revenue 3-year CAGR
▲ +9.0%trailing twelve months against the twelve months 3 years earlier · consolidated
Profit, trailing 12 months
$4.83Bfour quarters to Jun 2026
Profit growth, 12 months
▲ +19%against the twelve months before
Profit 3-year CAGR
▲ +13%trailing twelve months against the twelve months 3 years earlier · consolidated
Shareholding
quarter to Jun 2026 · SEC Form 13F
13F managers hold 180% of shares, BlackRock, Inc. the largest at 19%, VANGUARD CAPITAL MANAGEMENT LLC 13% and STATE STREET CORP 9.6%, as filed for the quarter to Jun 2026.
19.3%13.1%9.6%134.2%
BlackRock, Inc. 19.3%
VANGUARD CAPITAL MANAGEMENT LLC 13.1%
STATE STREET CORP 9.6%
Other 13F managers 134.2%
Held by 13F managers
180%of shares outstanding
Shares held
2.3B+930% on Mar 2026 among managers filing both
Managers holding
2,3541,977 a quarter earlier
Largest holder
19%BlackRock, Inc.
Largest 10 holderspercent of shares outstanding · change in shares against the previous quarter
Largest 13F holders of KLAC
Manager
Shares
Of outstanding
Value
Change on quarter
BlackRock, Inc.
252M
19%
$76.15B
+227M
VANGUARD CAPITAL MANAGEMENT LLC
171M
13%
$51.49B
+154M
STATE STREET CORP
126M
9.6%
$37.95B
+113M
Capital World Investors
90.6M
6.9%
$27.34B
+82.5M
Invesco Ltd.
89.7M
6.9%
$27.06B
+86.4M
FMR LLC
86M
6.6%
$25.95B
+77.2M
VANGUARD PORTFOLIO MANAGEMENT LLC
78.8M
6.0%
$23.77B
+70.7M
GEODE CAPITAL MANAGEMENT, LLC
73M
5.6%
$21.98B
+65.6M
Capital International Investors
71.1M
5.4%
$21.42B
+65.7M
PRIMECAP MANAGEMENT CO/CA/
41.1M
3.1%
$12.39B
+36.2M
Insider tradesSEC Forms 3, 4 and 5 · the latest 5
No open-market insider buying or selling in the last 90 days.
KLAC insider trades
Insider
Trade
Shares
Price
Held after
WALLACE RICHARD POfficer
sold · Jun 11, 2026
4,512
$2,213.37
71,383
Hanley Jeneanne MichelleDirector
sold · May 11, 2026
550
$1,874.71
3,551
Kirloskar Virendra AOfficer
sold · May 11, 2026
297
$1,879.02
1,957
WALLACE RICHARD POfficer
sold · May 12, 2026
4,512
$1,794.00
75,895
CALDERONI ROBERTDirector
granted · Feb 5, 2026
11
$0.00
3,701
Corporate actions
exchange records
Nothing upcoming on record; the last was a dividend of $0.23 a share, ex-date Aug 17, 2026.
Actionsex-dates · upcoming first, then the last eight · dividends in dollars a share, splits as ratios
Corporate actions of KLAC, upcoming first, then the most recent
Ex-date
Action
Amount or ratio
Record date
recent
Aug 17, 2026
dividend
$0.23
—
Jun 12, 2026
split
10:1
—
May 18, 2026
dividend
$2.30
—
Calendardividends by ex-date
Dividends in 365 days
$2.53a share · ex-dates inside the year
Last dividend
$0.23ex-date Aug 17, 2026
Price history
131 sessions on record · to Sep 30 · end of day
KLAC is +14.1% over 20 sessions against the S&P 500's +0.1%, 37% below its 52-week high, realised volatility 48% annualised.
Returns against S&P 500longest window first · S&P 500 over the same sessions
Returns of the stock and S&P 500 over six windows, longest first
Window
From $
KLAC %
S&P 500 %
Difference pp
120 sessionssince Apr 9
$172.72
▲ +13%
▲ +12%
+0.69
60 sessionssince Jul 7
$216.47
▼ −9.9%
▲ +2.0%
−12
20 sessionssince Sep 1
$170.89
▲ +14%
▲ +0.11%
+14
5 sessionssince Sep 23
$187.87
▲ +3.8%
▼ −0.67%
+4.4
1 sessionsince Sep 29
$196.52
▼ −0.81%
▼ −0.21%
−0.60
Averages of the closeclose against each average
5-session average
$191.13close +2.0% from it
20-session average
$181.34close +7.5% from it
50-session average
$187.74close +3.8% from it
Range and volumetrue range over 14 sessions · high to low over 20 · volume against the 20-session average
Average true range, 14
$7.03.6% of the close
Average day's range, 20
$7.23.7% of the close
Volume against 20 sessions
0.71×6.86M vs 9.42M average
Volatility and co-movement with S&P 500annualised from daily returns
Realised volatility, 20
48%≈ ±3.0% a session · moved more than that on 7 of 20
Realised volatility, 60
54%≈ ±3.4% a session · moved more than that on 19 of 60
Beta to S&P 500, 60
2.46moved with S&P 500 on 41 of 60 sessions
Up and down sessionscloses above and below the previous close
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