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KLA Corp (KLAC) stock

KLACNasdaqOptical Instruments & LensesFiscal year ends June 30
Financials through Q1 FY2027, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 29, 2026Score 16/3021% above fair value
$157.91−9.52 (-5.69%)

Close on Oct 30, 2026Market cap $206.32BP/E 39.5Yield 0.51%

Price history

KLA share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$157.91
-5.69% on the day
52-week range
$107.20 – $307.37
-48.6% from the high
Change over 52 weeks
+30.0%
From $121.44 on Oct 30, 2025
Average volume
11.30M
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$147.85$171.31$146.62$157.91+8.45%70,230,320
Oct 19, 2026$172.74$173.05$144.82$145.61-12.15%65,173,723
Oct 12, 2026$193.68$193.99$165.20$165.74-15.25%59,467,012
Oct 5, 2026$205.29$207.66$191.09$195.57-5.47%40,258,396
Sep 28, 2026$186.71$208.68$182.70$206.89+10.09%39,403,757
Sep 21, 2026$179.30$189.56$178.31$187.92+6.18%42,764,213
Sep 14, 2026$168.08$177.14$165.89$176.99-2.02%56,650,729
Sep 8, 2026$190.15$190.87$174.18$180.64-2.67%39,645,651
Aug 31, 2026$176.86$187.36$167.05$185.60+5.73%44,143,262
Aug 24, 2026$180.02$186.78$174.70$175.54-4.59%41,266,139
Aug 17, 2026$206.89$209.10$182.11$183.99-9.68%48,953,739
Aug 10, 2026$204.78$214.80$192.47$203.72+2.83%46,269,429
Aug 3, 2026$177.97$201.83$174.60$198.11+8.36%55,763,060
Jul 27, 2026$210.82$214.01$169.81$182.82-13.16%82,826,590
Jul 20, 2026$217.45$221.00$206.92$210.52-1.05%47,473,919
Jul 13, 2026$221.55$237.72$204.58$212.75-8.11%57,624,899
Jul 6, 2026$246.32$247.49$210.86$231.52-1.71%63,438,511
Jun 29, 2026$250.03$307.37$228.01$235.55-5.26%82,350,370
Jun 22, 2026$265.61$269.90$235.00$248.64-4.21%75,336,990
Jun 15, 2026$263.57$267.17$237.12$259.56+1.97%71,797,540
Jun 8, 2026$203.00$254.93$199.55$254.54+31.94%71,817,780
Jun 1, 2026$189.86$215.67$188.60$192.92+0.39%55,011,690
May 26, 2026$193.67$206.01$189.14$192.17+1.77%41,340,830
May 18, 2026$182.09$191.01$169.03$188.84+4.66%45,093,430
May 11, 2026$185.28$191.11$174.30$180.43-3.47%49,710,850
May 4, 2026$172.05$188.91$167.68$186.92+8.28%58,583,060
Apr 27, 2026$190.97$192.68$164.60$172.63-10.79%62,321,280
Apr 20, 2026$179.16$193.94$177.00$193.50+8.01%40,553,620
Apr 13, 2026$173.46$179.80$168.05$179.14+3.12%44,237,970
Apr 6, 2026$152.28$176.00$150.73$173.73+14.53%35,862,330
Mar 30, 2026$146.90$153.99$137.44$151.68+5.10%36,512,650
Mar 23, 2026$153.35$158.25$143.53$144.32-3.70%46,297,600
Mar 16, 2026$145.39$153.50$142.03$149.87+5.64%58,806,780
Mar 9, 2026$132.29$149.50$132.10$141.86+5.51%53,608,210
Mar 2, 2026$147.50$154.08$133.20$134.46-11.81%50,212,800
Feb 23, 2026$148.99$157.73$145.60$152.46+1.91%46,847,030
Feb 17, 2026$144.55$150.28$142.77$149.60+2.18%25,848,590
Feb 9, 2026$144.00$150.21$141.20$146.41+1.47%56,398,830
Feb 2, 2026$140.00$144.93$128.50$144.30+1.05%81,169,930
Jan 26, 2026$151.24$169.34$141.68$142.79-5.61%78,204,300
Jan 20, 2026$152.54$155.66$145.18$151.28-3.51%52,704,470
Jan 12, 2026$138.66$158.13$138.66$156.78+11.99%59,388,680
Jan 5, 2026$131.00$140.70$130.40$140.00+9.85%54,172,260
Dec 29, 2025$127.31$128.61$121.41$127.45-0.40%24,662,620
Dec 22, 2025$127.64$128.68$124.99$127.96+2.72%17,530,860
Dec 15, 2025$122.90$126.36$116.94$124.57+4.33%61,210,340
Dec 8, 2025$123.26$125.37$118.52$119.39-1.69%43,809,000
Dec 1, 2025$116.50$124.00$115.12$121.45+3.32%37,584,500
Nov 24, 2025$110.49$117.60$110.30$117.55+7.14%40,389,790
Nov 17, 2025$113.99$120.15$107.20$109.71-3.28%60,495,700
Nov 10, 2025$122.09$122.68$112.71$113.43-4.95%53,330,380
Nov 3, 2025$121.61$124.31$116.01$119.34-1.27%53,300,330

Seasonality

KLAC return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average6.4%2.9%1.0%1.8%6.6%8.7%2.6%-0.5%1.0%-0.2%8.2%1.5%
Months up8 of 106 of 106 of 105 of 109 of 107 of 107 of 103 of 104 of 107 of 105 of 96 of 9
202617.5%6.9%-3.4%18.9%9.9%57.0%-39.4%-3.9%11.1%-19.0%
202517.2%-3.8%-4.1%3.4%8.0%18.3%-1.9%-0.6%23.7%12.1%-2.6%3.4%
20242.2%15.1%2.4%-1.3%10.4%8.6%-0.2%-0.3%-5.5%-14.0%-2.6%-2.6%
20234.1%-3.0%5.2%-3.2%15.0%9.5%6.0%-2.1%-8.6%2.4%16.3%6.7%
2022-9.5%-10.2%5.0%-12.8%14.7%-12.5%20.2%-10.0%-12.1%4.6%24.7%-4.1%
20218.2%11.4%6.2%-4.6%0.8%2.3%7.4%-2.0%-1.6%11.4%9.8%5.4%
2020-7.0%-6.8%-6.5%14.2%7.8%10.5%2.8%3.1%-5.6%1.8%28.3%2.8%
201919.1%9.1%3.4%6.8%-18.6%14.7%15.3%9.1%7.8%6.0%-2.6%8.7%
20184.5%3.8%-3.8%-6.7%12.1%-9.4%14.5%-0.4%-12.5%-10.0%8.6%-9.2%
20178.2%6.6%5.5%3.3%6.5%-12.0%1.2%1.8%13.1%2.7%-5.6%2.8%