Last 48 quarters of trend data · Technology · Semiconductors
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
KLA Corporation's quarterly P/E stands at 4.0x, up 93.8% year-over-year — indicating the stock has re-rated higher or earnings have softened. EV/EBITDA has expanded 65.9% YoY to 3.9x, reflecting rising market expectations or slowing EBITDA growth.
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 8.55 | 4.04 | 3.50 | 3.18 | 2.47 | 2.08 | 2.57 | 2.76 | 3.34 | 3.94 | 3.40 | 2.12 | 2.44 |
| — | +93.8% | +36.2% | +15.3% | -25.9% | -47.2% | -24.3% | +30.3% | +36.7% | +98.7% | +148.2% | +101.7% | +65.1% | |
| P/S Ratio | 2.81 | 1.42 | 1.22 | 1.11 | 0.94 | 0.74 | 0.69 | 0.92 | 1.09 | 1.01 | 0.80 | 0.66 | 0.71 |
| — | +92.0% | +77.0% | +21.0% | -13.9% | -26.6% | -13.6% | +40.1% | +53.4% | +77.1% | +77.6% | +65.7% | +48.1% | |
| P/B Ratio | 7.40 | 3.33 | 2.94 | 2.86 | 2.53 | 2.26 | 2.36 | 2.93 | 3.31 | 3.07 | 2.60 | 2.10 | 2.29 |
| — | +47.0% | +24.4% | -2.4% | -23.5% | -26.2% | -9.2% | +39.5% | +44.9% | +48.6% | +26.6% | +2.5% | -32.8% | |
| P/FCF | 9.14 | 7.79 | 3.18 | 3.35 | 2.79 | 2.29 | 2.80 | 2.79 | 3.35 | 2.83 | 3.63 | 1.93 | 1.90 |
| — | +239.6% | +13.8% | +19.9% | -16.7% | -18.9% | -23.0% | +44.9% | +76.9% | +89.4% | +61.3% | +65.7% | +18.8% | |
| EV / EBITDA | 6.78 | 3.94 | 3.40 | 3.21 | 2.65 | 2.38 | 2.36 | 3.14 | 3.47 | 3.82 | 2.93 | 2.66 | 2.91 |
| — | +65.9% | +44.2% | +2.1% | -23.6% | -37.7% | -19.6% | +18.4% | +19.2% | +47.0% | +52.8% | +44.5% | +25.5% | |
| EV / EBIT | 7.29 | 4.47 | 3.55 | 3.34 | 2.84 | 2.49 | 3.03 | 3.29 | 3.89 | 4.62 | 4.03 | 2.87 | 3.18 |
| — | +79.9% | +17.2% | +1.3% | -27.1% | -46.2% | -24.8% | +14.6% | +22.1% | +61.3% | +96.1% | +47.5% | +27.2% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
KLA Corporation's operating margin was 41.2% in Q3 2026, down 0.1 pp QoQ and down 1.2 pp YoY.
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 62.3% | 61.1% | 61.4% | 61.3% | 63.2% | 61.6% | 60.3% | 59.6% | 62.0% | 59.1% | 60.7% | 60.5% | 59.1% |
| — | -0.8% | +1.9% | +2.8% | +1.9% | +4.2% | -0.7% | -1.4% | +5.0% | +0.7% | +2.1% | -2.1% | -2.5% | |
| Operating Margin | 43.1% | 41.2% | 41.3% | 41.7% | 44.2% | 42.5% | 40.4% | 39.4% | 41.0% | 36.0% | 38.3% | 37.5% | 35.0% |
| — | -2.9% | +2.3% | +5.7% | +7.9% | +17.9% | +5.4% | +5.1% | +17.2% | +1.8% | -4.7% | -8.0% | -10.5% | |
| Net Margin | 33.4% | 35.2% | 34.7% | 34.9% | 37.9% | 35.5% | 26.8% | 33.3% | 32.6% | 25.5% | 23.4% | 30.9% | 29.1% |
| — | -1.0% | +29.7% | +4.9% | +16.2% | +39.1% | +14.4% | +7.6% | +12.1% | -11.0% | -28.6% | -17.9% | -10.2% |
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 100.8% | 21.3% | 21.9% | 23.2% | 27.7% | 28.7% | 23.1% | 27.3% | 25.9% | 19.6% | 19.3% | 25.1% | 24.4% |
| — | -25.9% | -5.0% | -15.2% | +6.9% | +46.4% | +19.5% | +8.8% | +5.9% | -25.8% | -53.6% | -57.2% | -16.9% | |
| ROA | 25.8% | 7.2% | 6.9% | 6.9% | 7.7% | 7.2% | 5.4% | 6.1% | 5.5% | 4.1% | 4.1% | 5.3% | 4.9% |
| — | -0.8% | +29.0% | +13.9% | +39.8% | +75.2% | +31.1% | +15.7% | +11.6% | -19.2% | -43.8% | -34.1% | -24.6% | |
| ROIC | 46.5% | 10.8% | 11.1% | 11.3% | 12.4% | 12.1% | 11.5% | 10.1% | 9.7% | 8.2% | 9.6% | 9.4% | 8.7% |
| — | -10.8% | -3.4% | +11.3% | +28.3% | +48.3% | +19.0% | +7.9% | +11.6% | -8.4% | -25.1% | -25.3% | -22.3% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
KLA Corporation's Debt/EBITDA ratio is 4.1x, down from 4.3x last quarter — elevated, raising questions about debt serviceability. The current ratio has improved 19.0% YoY to 3.03x, strengthening the short-term liquidity position. Debt/Equity has declined for 9 consecutive quarters, reflecting a deleveraging trend.
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 1.30 | 1.05 | 1.15 | 1.22 | 1.30 | 1.52 | 1.69 | 1.92 | 2.02 | 2.20 | 2.00 | 2.03 | 2.08 |
| — | -30.7% | -32.2% | -36.3% | -35.9% | -31.0% | -15.2% | -5.5% | -2.5% | -2.4% | -16.4% | -33.6% | -57.1% | |
| Debt / EBITDA | 1.08 | 4.08 | 4.30 | 4.24 | 4.06 | 4.35 | 4.51 | 5.61 | 5.91 | 7.20 | 5.79 | 6.06 | 6.53 |
| — | -6.3% | -4.7% | -24.4% | -31.4% | -39.5% | -22.0% | -7.3% | -9.4% | +14.7% | +21.1% | +14.3% | +3.4% | |
| Current Ratio | 2.62 | 3.03 | 2.77 | 2.69 | 2.62 | 2.54 | 2.36 | 2.13 | 2.15 | 2.14 | 1.91 | 2.21 | 2.24 |
| — | +19.0% | +17.3% | +26.3% | +21.7% | +19.0% | +23.4% | -3.5% | -3.8% | -8.9% | -18.0% | -9.3% | -10.4% | |
| Quick Ratio | 1.83 | 2.11 | 1.95 | 1.88 | 1.83 | 1.74 | 1.63 | 1.48 | 1.50 | 1.46 | 1.25 | 1.42 | 1.47 |
| — | +21.5% | +19.7% | +26.6% | +22.1% | +18.7% | +30.1% | +4.4% | +2.2% | -5.1% | -22.3% | -14.8% | -16.1% | |
| Interest Coverage | 16.37 | 18.86 | 20.09 | 19.42 | 19.17 | 18.59 | 13.97 | 14.13 | 12.42 | 9.79 | 10.32 | 12.47 | 11.41 |
| — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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Quick answers to the most common questions about buying KLAC stock.
KLA Corporation's current P/E is 8.5x. The average P/E over the last 4 quarters is 3.3x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
KLA Corporation's current operating margin is 43.1%. Margins have been compressing over recent quarters. Quarterly margins are particularly useful for identifying trend inflections that annual data smooths over.
Quarterly financial ratios reveal short-term trend shifts — margin compression, debt spikes, or valuation re-ratings — that annual figures smooth over. They're essential for active investors tracking KLA Corporation's business trajectory between earnings reports.