Amphenol Corporation (APH) Financial Ratios
30 years of historical data (1996–2025) · Technology · Hardware, Equipment & Parts
EV/EBITDA
↑
29.87
↑+35% vs avg
5yr avg: 22.14
30Y Low6.7·High25.7
P/FCF
↓
46.04
↑+27% vs avg
5yr avg: 36.32
30Y Low11.5·High46.4
P/B Ratio
↑
15.50
↑+75% vs avg
5yr avg: 8.85
30Y Low3.1·High57.3
ROE
↑
36.6%
↓+28% vs avg
5yr avg: 28.6%
30Y Low17%·High369%
Debt/EBITDA
↑
2.25
↑+21% vs avg
5yr avg: 1.85
30Y Low1.0·High5.1
Percentile shows where the current value sits in 30-year historical distribution. Sparklines show 5-year trend.
APH Valuation Multiples
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
Amphenol Corporation trades at 49.1x earnings, 46% above its 5-year average of 33.5x, sitting at the 97th percentile of its historical range. Compared to the Technology sector median P/E of 29.0x, the stock trades at a premium of 69%. On a free-cash-flow basis, the stock trades at 46.0x P/FCF, 27% above the 5-year average of 36.3x.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $201.6B | $172.6B | $87.8B | $61.5B | $47.3B | $54.7B | $40.2B | $33.3B | $25.3B | $27.8B | $21.2B |
| Enterprise Value | $205.9B | $177.0B | $91.7B | $64.7B | $50.8B | $58.6B | $42.6B | $36.2B | $27.6B | $29.6B | $23.2B |
| P/E Ratio → | 49.09 | 40.46 | 36.17 | 31.78 | 24.88 | 34.43 | 33.36 | 28.79 | 21.10 | 42.21 | 25.45 |
| P/S Ratio | 8.73 | 7.48 | 5.76 | 4.90 | 3.75 | 5.03 | 4.68 | 4.05 | 3.09 | 3.96 | 3.37 |
| P/B Ratio | 15.50 | 12.78 | 8.90 | 7.30 | 6.67 | 8.58 | 7.38 | 7.25 | 6.23 | 6.87 | 5.69 |
| P/FCF | 46.04 | 39.43 | 40.83 | 28.54 | 26.40 | 46.37 | 30.57 | 27.61 | 31.58 | 30.28 | 23.89 |
| P/OCF | 37.50 | 32.12 | 31.18 | 24.33 | 21.74 | 35.52 | 25.26 | 22.19 | 22.77 | 24.29 | 19.66 |
P/E links to full P/E history page with 30-year chart
APH EV Ratios
Enterprise-value multiples — capital-structure-neutral measures of total business value
Amphenol Corporation's enterprise value stands at 29.9x EBITDA, 35% above its 5-year average of 22.1x. The Technology sector median is 16.7x, placing the stock at a 78% premium on an enterprise-value basis.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | 7.66 | 6.03 | 5.15 | 4.02 | 5.38 | 4.95 | 4.41 | 3.37 | 4.22 | 3.68 |
| EV / EBITDA | 29.87 | 25.67 | 23.78 | 21.56 | 16.93 | 22.78 | 21.76 | 18.52 | 13.85 | 17.85 | 15.89 |
| EV / EBIT | 34.49 | 29.66 | 28.41 | 24.94 | 19.56 | 27.82 | 25.95 | 22.47 | 16.34 | 20.50 | 19.08 |
| EV / FCF | — | 40.43 | 42.67 | 30.01 | 28.36 | 49.64 | 32.39 | 30.02 | 34.44 | 32.27 | 26.11 |
APH Profitability
Margins and return-on-capital ratios measuring operating efficiency
Amphenol Corporation earns an operating margin of 25.9%. Operating margins have expanded from 20.7% to 25.9% over the past 3 years, signaling improving operational efficiency. Return on equity of 36.6% is exceptionally high. ROIC of 28.3% represents excellent returns on invested capital.
Margins
Full margin charts and quarterly trend are on the Earnings History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 36.9% | 36.9% | 33.8% | 32.5% | 31.9% | 31.3% | 31.0% | 31.8% | 32.4% | 32.9% | 32.5% |
| Operating Margin | 25.9% | 25.9% | 21.6% | 20.7% | 20.7% | 20.0% | 19.2% | 20.0% | 20.7% | 20.4% | 19.7% |
| Net Profit Margin | 18.5% | 18.5% | 15.9% | 15.4% | 15.1% | 14.6% | 14.0% | 14.0% | 14.7% | 9.3% | 13.1% |
Return on Capital
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 36.6% | 36.6% | 26.5% | 24.8% | 28.2% | 26.9% | 24.0% | 26.7% | 29.7% | 16.8% | 23.5% |
| ROA | 14.8% | 14.8% | 12.8% | 12.1% | 12.7% | 11.8% | 10.4% | 11.1% | 12.0% | 7.0% | 10.3% |
| ROIC | 28.3% | 28.3% | 19.4% | 17.5% | 18.8% | 18.1% | 16.1% | 17.8% | 20.8% | 18.6% | 18.5% |
| ROCE | 25.5% | 25.5% | 21.4% | 19.9% | 21.0% | 19.6% | 17.6% | 20.2% | 21.2% | 18.7% | 18.6% |
APH Leverage & Debt
Solvency and debt-coverage ratios — lower is generally safer
Amphenol Corporation carries a Debt/EBITDA ratio of 2.2x, which is manageable (24% below the sector average of 2.9x). Net debt stands at $4.4B ($15.5B total debt minus $11.1B cash). Interest coverage of 16.2x signals virtually no risk of debt distress — earnings comfortably cover interest obligations.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 1.15 | 1.15 | 0.74 | 0.55 | 0.69 | 0.79 | 0.75 | 0.83 | 0.88 | 0.88 | 0.81 |
| Debt / EBITDA | 2.25 | 2.25 | 1.89 | 1.55 | 1.62 | 1.96 | 2.09 | 1.95 | 1.79 | 2.14 | 2.07 |
| Net Debt / Equity | — | 0.32 | 0.40 | 0.38 | 0.49 | 0.60 | 0.44 | 0.63 | 0.56 | 0.45 | 0.53 |
| Net Debt / EBITDA | 0.63 | 0.63 | 1.03 | 1.06 | 1.17 | 1.50 | 1.22 | 1.49 | 1.15 | 1.10 | 1.36 |
| Debt / FCF | — | 1.00 | 1.84 | 1.47 | 1.95 | 3.27 | 1.82 | 2.41 | 2.86 | 1.99 | 2.23 |
| Interest Coverage | 16.23 | 16.23 | 14.88 | 18.60 | 20.22 | 18.22 | 14.23 | 13.72 | 16.62 | 15.65 | 16.72 |
APH Liquidity & Efficiency
Short-term solvency ratios and asset-utilisation metrics
Amphenol Corporation's current ratio of 2.98x is well above the 1.0 safety threshold, indicating strong short-term liquidity with ample room to cover current liabilities. The quick ratio of 2.48x is notably lower than the current ratio, indicating a significant portion of current assets is tied up in inventory. The current ratio has improved from 2.17x to 2.98x over the past 3 years.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 2.98 | 2.98 | 2.37 | 2.17 | 2.42 | 2.43 | 2.38 | 1.97 | 1.86 | 2.95 | 2.20 |
| Quick Ratio | 2.48 | 2.48 | 1.75 | 1.48 | 1.64 | 1.66 | 1.75 | 1.36 | 1.36 | 2.25 | 1.63 |
| Cash Ratio | 1.68 | 1.68 | 0.82 | 0.53 | 0.54 | 0.51 | 0.75 | 0.43 | 0.53 | 1.11 | 0.72 |
| Asset Turnover | — | 0.64 | 0.71 | 0.76 | 0.82 | 0.74 | 0.70 | 0.76 | 0.82 | 0.70 | 0.74 |
| Inventory Turnover | 4.26 | 4.26 | 3.96 | 3.91 | 4.11 | 3.95 | 4.06 | 4.28 | 4.50 | 4.25 | 4.57 |
| Days Sales Outstanding | — | 74.55 | 78.84 | 76.12 | 76.09 | 82.38 | 82.84 | 77.05 | 79.74 | 83.22 | 78.34 |
APH Shareholder Yields
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
Amphenol Corporation returns 0.7% to shareholders annually — split between a 0.4% dividend yield and 0.3% buyback yield. The payout ratio of 18.8% is conservative, leaving significant room for dividend growth or reinvestment. The earnings yield of 2.0% (inverse of P/E) provides a useful comparison to bond yields when assessing the stock's relative attractiveness to fixed income.
Dividends
Full dividend history and growth charts are on the Dividend History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend Yield | 0.4% | 0.5% | 0.7% | 0.8% | 1.0% | 0.6% | 0.7% | 0.8% | 1.0% | 0.7% | 0.8% |
| Payout Ratio | 18.8% | 18.8% | 24.6% | 26.0% | 25.1% | 21.8% | 24.7% | 24.2% | 21.1% | 31.5% | 21.0% |
Total Shareholder Return Metrics
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | 2.0% | 2.5% | 2.8% | 3.1% | 4.0% | 2.9% | 3.0% | 3.5% | 4.7% | 2.4% | 3.9% |
| FCF Yield | 2.2% | 2.5% | 2.4% | 3.5% | 3.8% | 2.2% | 3.3% | 3.6% | 3.2% | 3.3% | 4.2% |
| Buyback Yield | 0.3% | 0.4% | 0.8% | 1.0% | 1.5% | 1.2% | 1.6% | 1.8% | 3.7% | 2.2% | 1.5% |
| Total Shareholder Yield | 0.7% | 0.9% | 1.5% | 1.8% | 2.6% | 1.8% | 2.3% | 2.6% | 4.7% | 3.0% | 2.4% |
| Shares Outstanding | — | $1.3B | $1.3B | $1.2B | $1.2B | $1.3B | $1.2B | $1.2B | $1.3B | $1.3B | $1.3B |
Peer Comparison
Compare APH with 10 similar companies in its peer group
| Company | Market Cap | P/E | EV/EBITDA | P/FCF | Gross Margin | Op Margin | ROE | ROIC | Debt/EBITDA |
|---|---|---|---|---|---|---|---|---|---|
 APHYou | $202B | 49.1 | 29.9 | 46.0 | 36.9% | 25.9% | 36.6% | 28.3% | 2.2 |
 TEL | $64B | 35.3 | 17.1 | 19.9 | 34.6% | 18.8% | 14.6% | 14.1% | 1.6 |
 HUBB | $28B | 31.7 | 22.0 | 31.8 | 35.5% | 20.8% | 24.8% | 17.1% | 1.9 |
 BDC | $5B | 20.9 | 12.8 | 21.9 | 36.0% | 12.2% | 18.6% | 11.0% | 3.2 |
 CNXC | $2B | -1.2 | 4.8 | 3.1 | 35.0% | 6.2% | -37.7% | 5.6% | 3.7 |
 GLW | $168B | 105.4 | 47.9 | 118.5 | 35.3% | 14.9% | 13.7% | 9.1% | 2.8 |
 ROG | $3B | -48.4 | 26.1 | 40.8 | 31.7% | 6.4% | -5.1% | 3.6% | 0.4 |
 VICR | $15B | 127.0 | 252.6 | 125.3 | 52.6% | 9.0% | 18.5% | 8.9% | 0.2 |
 TTMI | $22B | 128.8 | 56.5 | — | 19.6% | 9.0% | 10.7% | 8.8% | 2.7 |
 CTS | $2B | 30.6 | 16.4 | 22.2 | 38.5% | 15.6% | 12.1% | 11.1% | 1.0 |
 KFRC | $830M | 23.2 | 16.1 | 17.7 | 26.8% | 3.8% | 24.9% | 19.1% | 1.3 |
| Technology Median | — | 29.0 | 16.7 | 19.2 | 48.8% | 0.2% | 1.6% | 2.7% | 2.9 |
Peer selection based on competitive and market overlap. Compare multiple stocks →
Download Financial Ratios Data
Includes 30+ ratios · 30 years · Updated daily
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APH — Frequently Asked Questions
Quick answers to the most common questions about buying APH stock.
What is Amphenol Corporation's P/E ratio?
Amphenol Corporation's current P/E ratio is 49.1x. The historical average is 25.6x. This places it at the 97th percentile of its historical range.
What is Amphenol Corporation's EV/EBITDA?
Amphenol Corporation's current EV/EBITDA is 29.9x. This enterprise value multiple compares the company's total value (equity + debt - cash) to its EBITDA. The historical average is 14.4x.
What is Amphenol Corporation's ROE?
Amphenol Corporation's return on equity (ROE) is 36.6%. This is above the typical threshold of 15-20% considered good for most companies. The historical average is 54.4%.
Is APH stock overvalued?
Based on historical data, Amphenol Corporation is trading at a P/E of 49.1x. This is at the 97th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
What is Amphenol Corporation's dividend yield?
Amphenol Corporation's current dividend yield is 0.38% with a payout ratio of 18.8%.
What are Amphenol Corporation's profit margins?
Amphenol Corporation has 36.9% gross margin and 25.9% operating margin. Operating margin above 20% indicates strong pricing power and cost efficiency.
How much debt does Amphenol Corporation have?
Amphenol Corporation's Debt/EBITDA ratio is 2.2x, indicating moderate leverage. A ratio between 2-4x is manageable but warrants monitoring.