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$KLAC

KLA Corporation Common Stock

XNASTechnologyOptical Instruments & Lenses

$185.92-0.72%$1.35Prev $187.27LIVE Full chart Live alerts
No recent price bars, the chart lights up when KLAC starts printing.

Why is KLAC down today? It is at $185.92 (-0.72%), and our scanner flagged it 445 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment KLAC spikes, and full due diligence on KLAC — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $KLAC 445 times in the last 30 days. Create a free account to track $KLAC, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.

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Key Stats

Price & performance
Price
$185.92
Change today
-0.72%
Previous close
$187.27
52-week range
$83.22 – $307.37
Valuation & dividend
Market cap
$254.50B
P/E ratio
8.4
Dividend yield
0.49% ($0.92)
Ownership & volume
Shares outstanding
1.31B
SEC · as of 2026-08-03 · 17d
Insider ownership
<1%
DEF 14A · 2025-09-23
Institutional own.
99.9%
Total held
100.0%
Tradeable float
102K
0% of shares · after <1% insiders + 100% institutions
Short interest
27.0M
▼ -3% vs prior · as of 2026-07-31
Days to cover
2.1d
Avg daily volume
10.9M
Classification
Sector
Technology
Industry
Optical Instruments & Lenses
Exchange
XNAS
Relative volumevs this time of day
5m
0.0x
15m
0.1x
1h
0.1x
1D
0.1x

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Why is $KLAC down today?

7 alerts today10.4x RVOL

KLAC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 7 unusual-volume and momentum alerts on KLAC today, peaking at 10.4x its normal volume.

Why is $KLAC moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profile⚡ Ultra-low float · 102K shShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201

Smart money in $KLAC

All smart money →
  • CACitadel Advisors (Griffin) increased its positionAs of Q2 2026 holdings · filed Aug 14, 2026$767M13F-HR ↗
  • ACAQR Capital Management (Asness) increased its positionAs of Q2 2026 holdings · filed Aug 14, 2026$572M13F-HR ↗

From SEC 13F quarterly holdings (position as of quarter-end, not a transaction date or price) and dated 13D/13G stake filings. Not investment advice.

Insiders

16 buys, 51 sells last 3 months (26/60 over 12 months)
Show 12 recent transactions
InsiderActionShares% of positionOwns afterValueDate
Lorig Brian
Officer
Sold (automatic/other)-60Ksold 43%78K$12.4M
at $208.13
Aug 13, 26
Higgins Bren D.
Officer
Sold (automatic/other)-32Ksold 9.3%308K$6.6M
at $209.87
Aug 12, 26
Wallace Richard P
Officer
Sold (automatic/other)-88Ksold 10%779K$17.4M
at $198.95
Aug 11, 26
Khan Ahmad A.
Officer
Sold (automatic/other)-33Ksold 12%238K$6.6M
at $198.95
Aug 11, 26
Wilkinson Mary Beth
Officer
Sold (automatic/other)-2Ksold 4.3%37K$340K
at $204.56
Aug 10, 26
Kirloskar Virendra A
Officer
Sold (automatic/other)-529sold 3.8%13K$108K
at $204.56
Aug 10, 26
Kirloskar Virendra A
Officer
Sold (automatic/other)-521sold 3.1%16K$101K
at $193.22
Aug 7, 26
Kirloskar Virendra A
Officer
Sold (automatic/other)-2Ksold 15%14K$475K
at $197.57
Aug 7, 26
Higgins Bren D.
Officer
Sold (automatic/other)-5Ksold 1.3%339K$876K
at $193.22
Aug 7, 26
Lorig Brian
Officer
Sold (automatic/other)-3Ksold 2.1%137K$556K
at $193.22
Aug 7, 26
Wilkinson Mary Beth
Officer
Sold (automatic/other)-1Ksold 2.0%61K$233K
at $193.22
Aug 7, 26
Wilkinson Mary Beth
Officer
Sold (automatic/other)-22Ksold 36%39K$4.3M
at $197.57
Aug 7, 26

Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.

Dilution watch

Unavailable

We could not reach SEC EDGAR, so the dilution check did not run for $KLAC. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.

$KLAC Sentiment

Bullish
Bearish76Bullish
📰 News: 4 bull · 0 bearToday: -0.7%👥 Community: 0 bull · 0 bear

Blend of news sentiment, today’s move, and community votes. Not investment advice.

$KLAC Activity

News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.

Alert· 7h ago -0.1% vs EMA
$KLAC near 200 EMA: -0.12% from 200 EMA at 12:17 PM ET
at $186.88
Alert· 7h ago 2.0× RVOL
KLAC hit 2.000x RVOL at 12:17 PM ET
at $186.88
Alert· 8h ago +0.6% vs EMA
$KLAC near 200 EMA: +0.59% from 200 EMA at 11:01 AM ET
at $188.53
Alert· 8h ago 2.3× RVOL
KLAC hit 2.249x RVOL at 11:01 AM ET
at $188.53
Alert· 8h ago 2.0× RVOL
KLAC hit 2.000x RVOL at 10:33 AM ET
at $187.72
Alert· 11h ago -1.4% vs EMA
$KLAC near 200 EMA: -1.42% from 200 EMA at 8:12 AM ET
at $185.00
Alert· 11h ago 10.4× RVOL
KLAC hit 10.428x RVOL at 8:12 AM ET
at $185.00
Alert· 11h ago -1.00%
$KLAC moved -1.00% in 1 min (Level 1) at 7:32 AM ET
at $186.55
Alert· 13h ago +1.09%
$KLAC moved +1.09% in 1 min (Level 1) at 5:35 AM ET
at $187.77
Alert· 14h ago 3.5× RVOL
KLAC hit 3.497x RVOL at 4:33 AM ET
at $187.23
Alert· 1d ago 2.0× RVOL
KLAC hit 2.000x RVOL at 3:38 PM ET
at $187.98
Alert· 1d ago +1.06%
$KLAC moved +1.06% in 1 min (Level 1) at 2:34 PM ET
at $187.59
Alert· 1d ago -1.1% vs EMA
$KLAC near 200 EMA: -1.14% from 200 EMA at 2:18 PM ET
at $186.30
Alert· 1d ago 2.5× RVOL
KLAC hit 2.534x RVOL at 2:18 PM ET
at $186.30
Alert· 1d ago -1.4% vs EMA
$KLAC near 200 EMA: -1.43% from 200 EMA at 1:01 PM ET
at $186.94
Alert· 1d ago 3.4× RVOL
KLAC hit 3.398x RVOL at 1:01 PM ET
at $186.94
Alert· 1d ago -1.16%
$KLAC moved -1.16% in 1 min (Level 1) at 10:21 AM ET
at $186.57
Alert· 1d ago 13.4× RVOL
KLAC hit 13.397x RVOL at 10:20 AM ET
at $186.58
Alert· 1d ago 2.3× RVOL
KLAC hit 2.269x RVOL at 9:43 AM ET
at $190.76
Alert· 1d ago +1.0% vs EMA
$KLAC near 200 EMA: +1.04% from 200 EMA at 9:06 AM ET
at $197.29
Alert· 1d ago 3.8× RVOL
KLAC hit 3.778x RVOL at 9:06 AM ET
at $197.29
Alert· 1d ago +1.37%
$KLAC moved +1.37% in 1 min (Level 1) at 8:33 AM ET
at $196.00
Alert· 1d ago -0.5% vs EMA
$KLAC near 200 EMA: -0.54% from 200 EMA at 6:19 AM ET
at $193.39
Alert· 1d ago 3.0× RVOL
KLAC hit 2.984x RVOL at 6:19 AM ET
at $193.39
Alert· 1d ago +1.17%
$KLAC moved +1.17% in 1 min (Level 1) at 4:10 AM ET
at $196.78
News· SEC EDGAR· 14d ago
KLA CORP: FY2026 results, year to Jun 30, 2026
News· SEC EDGAR· 14d ago
KLA CORP: KLA Declares Regular Cash Dividend
News· The Motley Fool· 15d ago Bullish
Will ASML Split Its Stock This Year?
News· SEC EDGAR· 23d ago
KLA CORP filed an 8-K: Results of Operations
News· The Motley Fool· 26d ago Bullish
Got $100? 1 Artificial Intelligence (AI) Memory ETF to Buy Right Now.
News· The Motley Fool· 45d ago Bullish
Here's Why This Semiconductor ETF Rewarded Investors in June
News· GlobeNewswire Inc.· 65d ago Bullish
Semiconductor Equipment Market Size to Hit USD 329.73 Billion by 2035 | Research by SNS Insider
News· SEC EDGAR· 69d ago
KLA CORP filed an 8-K: Charter / Bylaw Change

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KLAC stock FAQ

Why is $KLAC down today?

KLAC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 7 unusual-volume and momentum alerts on KLAC today, peaking at 10.4x its normal volume.

What is the KLAC stock price today?

KLAC last traded at $185.92, down 0.72% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Does KLAC pay a dividend?

Yes. KLAC currently has a dividend yield of about 0.49% ($0.92 per share per year). Dividend figures can change; this is not investment advice.

Where can I see live KLAC alerts?

The KLAC Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged KLAC 445 times in the last 30 days.

What exchange is KLAC on?

KLAC (KLA Corporation Common Stock) trades on XNAS, with a market cap of about $254.50B in the OPTICAL INSTRUMENTS & LENSES sector.

Is KLAC good for day trading?

That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge KLAC for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.