Last 48 quarters of trend data · Technology · Hardware, Equipment & Parts
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
Amphenol Corporation's quarterly P/E stands at 43.9x, up 55.2% year-over-year — indicating the stock has re-rated higher or earnings have softened. EV/EBITDA has expanded 12.9% YoY to 19.2x, reflecting rising market expectations or slowing EBITDA growth.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 49.09 | 43.87 | 36.33 | 31.89 | 28.71 | 28.27 | 29.43 | 33.94 | 41.08 | 32.77 | 29.51 | 25.00 | 28.70 |
| — | +55.2% | +23.4% | -6.0% | -30.1% | -13.7% | -0.3% | +35.8% | +43.1% | +15.5% | +27.1% | +19.5% | +35.5% | |
| P/S Ratio | 8.73 | 5.35 | 6.76 | 6.41 | 5.55 | 4.32 | 5.10 | 5.10 | 5.90 | 5.56 | 4.64 | 4.08 | 4.30 |
| — | +23.9% | +32.6% | +25.5% | -6.0% | -22.4% | +10.0% | +25.0% | +37.3% | +30.6% | +27.3% | +29.8% | +35.2% | |
| P/B Ratio | 15.50 | 11.56 | 12.90 | 12.60 | 10.80 | 8.01 | 8.94 | 8.66 | 9.42 | 8.26 | 7.32 | 6.58 | 6.92 |
| — | +44.4% | +44.4% | +45.6% | +14.8% | -3.1% | +22.0% | +31.5% | +36.1% | +20.5% | +10.1% | +5.5% | +13.4% | |
| P/FCF | 46.04 | 49.09 | 29.65 | 32.70 | 27.98 | 36.03 | 34.01 | 43.49 | 40.53 | 36.05 | 20.93 | 24.04 | 29.77 |
| — | +36.3% | -12.8% | -24.8% | -30.9% | -0.1% | +62.5% | +80.9% | +36.1% | +23.7% | +8.6% | +5.5% | +34.8% | |
| EV / EBITDA | 29.87 | 19.15 | 22.10 | 21.12 | 19.84 | 16.96 | 20.74 | 20.26 | 25.05 | 23.74 | 19.74 | 17.93 | 19.33 |
| — | +12.9% | +6.6% | +4.2% | -20.8% | -28.5% | +5.0% | +13.0% | +29.6% | +22.3% | +22.2% | +26.7% | +31.3% | |
| EV / EBIT | 34.49 | 24.23 | 25.10 | 23.67 | 22.78 | 21.30 | 23.54 | 26.00 | 31.04 | 26.71 | 23.15 | 20.63 | 22.00 |
| — | +13.8% | +6.6% | -8.9% | -26.6% | -20.3% | +1.7% | +26.0% | +41.1% | +18.3% | +22.4% | +25.3% | +31.6% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
Amphenol Corporation's operating margin was 24.0% in Q1 2026, down 3.5 pp QoQ and up 1.8 pp YoY. The trailing four-quarter average of 26.1% exceeds the current quarter, suggesting the latest result may reflect seasonal weakness or a one-off headwind. Gross margin expanded 7.5% YoY, indicating pricing power or improving input costs.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 36.9% | 36.7% | 38.2% | 38.1% | 36.3% | 34.2% | 34.3% | 33.6% | 33.6% | 33.4% | 33.1% | 32.8% | 32.5% |
| — | +7.5% | +11.5% | +13.4% | +8.1% | +2.2% | +3.7% | +2.5% | +3.5% | +5.4% | +3.2% | +1.9% | +1.4% | |
| Operating Margin | 25.9% | 24.0% | 27.5% | 27.5% | 25.3% | 22.2% | 22.4% | 21.4% | 21.3% | 21.0% | 21.2% | 20.8% | 20.4% |
| — | +8.2% | +22.9% | +28.3% | +18.9% | +5.6% | +5.4% | +2.7% | +4.3% | +4.7% | +1.8% | -0.9% | -1.2% | |
| Net Margin | 18.5% | 12.4% | 18.6% | 20.1% | 19.3% | 15.3% | 17.3% | 15.0% | 14.5% | 16.9% | 15.5% | 16.1% | 15.1% |
| — | -19.3% | +7.4% | +34.4% | +32.8% | -9.0% | +11.8% | -6.8% | -3.6% | +14.1% | -1.3% | +6.6% | +0.1% |
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 36.6% | 6.8% | 9.2% | 10.3% | 9.9% | 7.3% | 7.7% | 6.5% | 5.9% | 6.4% | 6.3% | 6.6% | 6.1% |
| — | -6.3% | +19.0% | +58.2% | +68.6% | +14.3% | +22.5% | -1.7% | -4.2% | +5.2% | -14.9% | -12.1% | -15.1% | |
| ROA | 14.8% | 2.4% | 3.8% | 4.7% | 4.5% | 3.3% | 3.6% | 3.2% | 3.0% | 3.3% | 3.2% | 3.3% | 3.0% |
| — | -27.7% | +3.7% | +49.0% | +51.2% | +0.8% | +14.2% | -4.5% | -1.2% | +15.4% | -4.5% | +0.4% | -5.0% | |
| ROIC | 28.3% | 5.9% | 7.6% | 7.7% | 6.6% | 5.4% | 5.3% | 4.9% | 4.7% | 4.5% | 4.7% | 4.7% | 4.4% |
| — | +9.3% | +43.9% | +57.6% | +40.7% | +19.9% | +12.0% | +3.7% | +6.6% | +6.4% | -2.7% | -8.0% | -7.3% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
Amphenol Corporation's Debt/EBITDA ratio is 8.1x, up from 7.7x last quarter — elevated, raising questions about debt serviceability. The current ratio has weakened 13.8% YoY to 1.71x, tightening the short-term liquidity position. Debt/Equity has risen for 3 consecutive quarters, indicating increasing financial leverage that investors should watch closely.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 1.15 | 1.33 | 1.15 | 0.64 | 0.70 | 0.69 | 0.74 | 0.58 | 0.60 | 0.49 | 0.55 | 0.54 | 0.57 |
| — | +92.6% | +55.5% | +11.3% | +15.6% | +40.5% | +34.1% | +6.5% | +5.6% | -20.4% | -19.8% | -24.4% | -23.5% | |
| Debt / EBITDA | 2.25 | 8.09 | 7.68 | 4.18 | 4.92 | 5.49 | 6.56 | 5.14 | 6.10 | 5.46 | 5.65 | 5.59 | 6.02 |
| — | +47.3% | +17.0% | -18.7% | -19.4% | +0.5% | +16.1% | -8.0% | +1.3% | -17.0% | -9.1% | -6.4% | -8.5% | |
| Current Ratio | 2.98 | 1.71 | 2.98 | 2.07 | 2.02 | 1.99 | 2.37 | 1.99 | 2.02 | 2.06 | 2.17 | 2.33 | 2.33 |
| — | -13.8% | +25.6% | +3.9% | -0.1% | -3.3% | +9.4% | -14.4% | -13.5% | -21.9% | -10.5% | -2.3% | -4.6% | |
| Quick Ratio | 2.48 | 1.26 | 2.48 | 1.52 | 1.46 | 1.36 | 1.75 | 1.33 | 1.32 | 1.43 | 1.48 | 1.61 | 1.60 |
| — | -7.2% | +41.6% | +14.0% | +10.1% | -5.0% | +18.1% | -17.2% | -17.1% | -19.2% | -9.6% | +0.5% | -3.5% | |
| Interest Coverage | 16.23 | 8.81 | 13.71 | 21.33 | 17.66 | 13.59 | 14.61 | 14.91 | 12.79 | 18.39 | 20.01 | 19.85 | 18.03 |
| — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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Quick answers to the most common questions about buying APH stock.
Amphenol Corporation's current P/E is 49.1x. The average P/E over the last 4 quarters is 35.2x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
Amphenol Corporation's current operating margin is 25.9%. 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 Amphenol Corporation's business trajectory between earnings reports.