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KLAC
KLA Corporation Common Stock
stockNASDAQ

At CloseOct 16, 2026 3:59:58 PM EDT
165.79USD-4.970%(-8.67)13,127,052
Pre-marketOct 16, 2026 9:29:59 AM EDT
170.08USD-2.511%(-4.38)
After-hoursOct 16, 2026 4:59:30 PM EDT
166.79USD+0.603%(+1.00)
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216.31B
Technology
Semiconductor Equipment & Materials
CEO
Richard Wallace
HQ
Milpitas, CA, USA
Previous Close
$174.46
Beta
2.75
52-Week High
$307.37 2026-06-30
52-Week Low
$107.20 2025-11-21
SMA 50
$186.91
SMA 200
$181.01
Avg. Vol 10D
9.97M
Avg. Vol 30D
9.70M
Avg. Vol 90D
11.55M
Relative Vol
1.35
1.30B
24,261,297
0.4100%
10,000,000
Nov 4, 2026 (17d)
Aug 17, 2026 · $0.230
Jun 12, 2026 · 10-for-1
KLAC Profile

kla-tencor corporation, a leading provider of process control and yield management solutions, partners with customers around the world to develop state-of-the-art inspection and metrology technologies. these technologies serve the semiconductor, data storage, led, and other related nanoelectronics industries. with a portfolio of industry-standard products and a team of world-class engineers and scientists, the company has created superior solutions for its customers for more than 37 years. headquartered in milpitas, calif., kla-tencor has dedicated customer operations and service centers around the world. additional information may be found at www.kla-tencor.com.

KLAC Performance
PeriodPriceDateChangeBeta
1W195.572026-10-09-15.24%0.985
1M168.982026-09-17-1.91%1.591
3M212.752026-07-17-22.09%2.285
6M179.142026-04-17-7.47%3.184
1Y110.672025-10-17+49.78%2.749
2Y67.032024-10-17+147.30%—
5Y32.682021-10-18+407.25%1.831
KLAC Stock Summary

KLA Corporation Common Stock (NASDAQ:KLAC) stock price today is $165.76, and today's volume is 13,127,052. KLAC is down 4.990% today. The 30 day average volume is 9.70M. KLAC market cap is $216.31B with 1.31B shares outstanding.