Latest Ratios: P/E Ratio 32.4x · EV/EBITDA 17.7x · ROE 36.6%. (1996–2025 historical series)
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $183.9B | $172.6B | $87.8B | $61.5B | $47.3B | $54.7B | $40.2B | $33.3B | $25.3B | $27.8B | $21.2B |
| Enterprise Value | $188.3B | $177.0B | $91.7B | $64.7B | $50.8B | $58.6B | $42.6B | $36.2B | $27.6B | $29.6B | $23.2B |
| P/E Ratio → | 32.42 | 40.46 | 36.18 | 31.78 | 24.89 | 34.44 | 33.37 | 28.79 | 21.10 | 42.23 | 25.45 |
| P/S Ratio | 5.57 | 7.48 | 5.77 | 4.90 | 3.75 | 5.03 | 4.68 | 4.05 | 3.09 | 3.97 | 3.37 |
| P/B Ratio | 14.11 | 12.78 | 8.91 | 7.30 | 6.67 | 8.58 | 7.38 | 7.25 | 6.23 | 6.88 | 5.69 |
| P/FCF | 35.92 | 39.43 | 40.84 | 28.54 | 26.41 | 46.38 | 30.58 | 27.61 | 31.58 | 30.30 | 23.89 |
| P/OCF | 34.22 | 32.12 | 31.18 | 24.34 | 21.75 | 35.53 | 25.26 | 22.19 | 22.77 | 24.30 | 19.66 |
P/E links to full P/E history page with 30-year chart
Enterprise-value multiples — capital-structure-neutral measures of total business value
| 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 | 5.39 | 4.96 | 4.41 | 3.37 | 4.23 | 3.68 |
| EV / EBITDA | 17.71 | 26.07 | 23.78 | 21.56 | 16.93 | 22.78 | 21.76 | 18.52 | 13.85 | 17.86 | 15.89 |
| EV / EBIT | 32.09 | 29.27 | 28.41 | 24.94 | 19.57 | 27.83 | 25.95 | 22.47 | 16.34 | 20.51 | 19.08 |
| EV / FCF | — | 40.43 | 42.68 | 30.01 | 28.36 | 49.65 | 32.40 | 30.02 | 34.44 | 32.29 | 26.11 |
Margins and return-on-capital ratios measuring operating efficiency
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 | 37.2% | 37.2% | 33.8% | 32.5% | 31.9% | 31.3% | 31.0% | 31.8% | 32.4% | 32.9% | 32.5% |
| Operating Margin | 25.4% | 25.4% | 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% |
| 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 | 27.8% | 27.8% | 19.4% | 17.5% | 18.8% | 18.1% | 16.1% | 17.8% | 20.8% | 18.6% | 18.5% |
| ROCE | 25.1% | 25.1% | 21.4% | 19.9% | 21.0% | 19.6% | 17.6% | 20.2% | 21.2% | 18.7% | 18.6% |
Solvency and debt-coverage ratios — lower is generally safer
| 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 | 2.28 | 2.28 | 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 | 0.64 | 0.64 | 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 | 16.44 | 16.44 | 14.88 | 18.60 | 20.22 | 18.22 | 14.23 | 13.72 | 16.62 | 15.65 | 16.72 |
Short-term solvency ratios and asset-utilisation metrics
| 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 | 4.23 | 4.23 | 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 |
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
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% |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | 3.1% | 2.5% | 2.8% | 3.1% | 4.0% | 2.9% | 3.0% | 3.5% | 4.7% | 2.4% | 3.9% |
| FCF Yield | 2.8% | 2.5% | 2.4% | 3.5% | 3.8% | 2.2% | 3.3% | 3.6% | 3.2% | 3.3% | 4.2% |
| Buyback Yield | 0.4% | 0.4% | 0.8% | 1.0% | 1.5% | 1.2% | 1.6% | 1.8% | 3.7% | 2.2% | 1.5% |
| Total Shareholder Yield | 0.8% | 0.9% | 1.5% | 1.8% | 2.6% | 1.8% | 2.3% | 2.6% | 4.7% | 3.0% | 2.4% |
| Shares Outstanding | — | $2.6B | $2.5B | $2.5B | $2.5B | $2.5B | $2.5B | $2.5B | $2.5B | $2.5B | $2.5B |
Includes 30+ ratios · 30 years · Updated daily
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Quick answers to the most common questions about buying APH stock.
Amphenol Corporation's current P/E ratio is 32.4x. The historical average is 18.1x. This places it at the 83th percentile of its historical range.
Amphenol Corporation's current EV/EBITDA is 17.7x. This enterprise value multiple compares the company's total value (equity + debt - cash) to its EBITDA. The historical average is 11.2x.
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%.
Based on historical data, Amphenol Corporation is trading at a P/E of 32.4x. This is at the 83th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
Amphenol Corporation's current dividend yield is 0.42% with a payout ratio of 18.8%.
Amphenol Corporation has 37.2% gross margin and 25.4% operating margin. Operating margin above 20% indicates strong pricing power and cost efficiency.
Amphenol Corporation's Debt/EBITDA ratio is 2.3x, indicating moderate leverage. A ratio between 2-4x is manageable but warrants monitoring.
Key Metrics
Top Statement Risk
Acquisition-driven capital deployment risk
Metrics are mathematically derived from official filings.
Premium Multiples Price in Sustained Growth
Based on reported figures, APH trades at 42.9 times trailing earnings and 25.7 times forward earnings, a compression of roughly 40% that suggests the market expects earnings growth to remain steep through the coming year.
The gap between trailing and forward P/E indicates the market is capitalizing a sharp earnings ramp rather than current run-rate profitability. A PEG of 1.54 is elevated for an industrial hardware name, implying investors are paying for durability of the growth rate rather than its present level. Forward EV/EBITDA of 17.4 times sits above TE Connectivity's 16.1 times trailing figure, so the premium appears to rest on expected execution, which warrants monitoring against any deceleration in reported quarterly growth.
Margin Expansion Driven by Operating Leverage
As reported in quarterly income statements, APH's operating margin widened from 21.3% in Q2 2024 to 29.5% in Q3 2026 while gross margin held near 39%, indicating overhead is scaling more slowly than revenue.
Operating margin expansion of roughly 8 percentage points, with gross margin largely stable, points to lean corporate overhead under the decentralized unit structure rather than pricing gains alone. Net margin of 19.9% trails operating margin by nearly ten points, a gap that likely reflects interest, amortization of acquired intangibles, and tax, and should be reconciled before treating operating margin as true earning power. Relative to Hubbell at 15.2% net margin, APH's conversion is markedly higher, though the margin profile may be sensitive to commodity cost pass-through lags.
ROIC Recovery Lags Equity Expansion
Based on reported figures, ROIC rose from 4.7% in Q2 2024 to 7.5% in Q3 2026, a gain that remains below Hubbell's 17.1% and TE Connectivity's 14.1%, despite ROE reaching 12.4%.
The widening spread between ROE and ROIC is consistent with a balance sheet increasingly weighted toward acquired goodwill and intangibles, which inflate invested capital and dilute the return on total capital. ROE improvement from 5.9% to 12.4% therefore owes much to rising leverage and retained earnings rather than capital efficiency alone. Investors should monitor whether ROIC continues to climb as acquired assets are integrated, since a plateau would suggest deal returns are converging toward the cost of capital.
Debt Swings Track Acquisition Funding Cycles
As reported in balance sheets, APH's debt-to-equity peaked at 1.33 in Q1 2026 before easing to 1.03 in Q3 2026, while interest coverage recovered from 8.9 times to 14.3 times over the same period.
Leverage movements appear tied to deal timing rather than a structural shift in capital structure, with debt rising around acquisition closings and retiring as cash generation rebuilds. Interest coverage above 14 times in the latest quarter indicates debt service is currently comfortable, although debt-to-EBITDA of 5.3 times remains meaningfully elevated and reduces headroom for a larger transaction. Refinancing exposure and the cost of future acquisition funding warrant monitoring if credit conditions tighten.
Liquidity Buffer Volatile Despite Solid Ratios
According to reported figures, APH's current ratio of 1.94 and quick ratio of 1.42 in Q3 2026 remain comfortable, yet cash fell from $11.1 billion in late 2025 to $4.2 billion, a swing that appears to reflect deployment rather than operating weakness.
Current and quick ratios held between roughly 1.7 and 3.0 across the period, indicating short-term obligations are well covered even as the cash balance has been drawn down. The sharp reduction in cash alongside large acquisition outflows suggests liquidity is being consciously deployed rather than eroded by operations. Under a severe stress case, reliance on receivables and inventory conversion would become more important given the lower absolute cash cushion, which investors should track.
Decentralization Edge May Not Scale
Based on reported figures, the most commonly misapplied metric here is ROE, which reached 12.4% in Q3 2026 but is inflated by leverage and acquired goodwill, obscuring the 7.5% ROIC that better reflects return on total invested capital.
Using ROE as the headline return measure for a serial acquirer overstates the economic return earned on the capital actually deployed, because goodwill and intangibles expand the denominator in ROIC while leverage shrinks the equity base in ROE. A more appropriate lens is ROIC adjusted for acquisition goodwill, or return on tangible capital, which would show whether deal-driven growth is genuinely compounding value. Investors should also consider that the decentralized model's margin advantage may erode if larger transactions introduce integration complexity that the bolt-on model historically avoided.