• Oct 6, 2026

  $197.46-4.54%

  The company's shares fell 4.54% while the broad market, measured by the S&P 500 ETF (SPY), rose 0.55% on the same session [1]. The decline was therefore not shared by the broad market [1].

  • 1Broad market

• Oct 5, 2026

  $206.85-0.02%

• Oct 2, 2026

  $206.89+3.27%

  KLAC closed up 3.27%, while the S&P 500 ETF (SPY) rose 0.74% over the same session [1]. The broad market also rose, but by a much smaller margin, so the stock's move was considerably larger than the market's [1].

  • 1Broad market

• Oct 1, 2026

  $200.33+2.77%

  The shares rose 2.77%, while the S&P 500 ETF (SPY), a broad-market benchmark, moved only +0.18% in the same session [1]. The move was therefore not shared by the broad market [1].

  • 1Broad market

• Sep 30, 2026

  $194.93-0.81%

• Sep 29, 2026

  $196.53+3.89%

  The shares rose 3.89% while the S&P 500 ETF (SPY) moved -0.18% in the same session [1]. The move was therefore not shared by the broad market [1].

  • 1Broad market

• Sep 28, 2026

  $189.17+0.67%

Closing prices for KLAC. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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