APH vs. KEYS: Amphenol vs. Keysight Stock Comparison
How do Amphenol (APH) and Keysight (KEYS) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
Amphenol (APH) and Keysight (KEYS) both belong to the Electronic Equipment, Instruments & Components industry, though APH is classified under Electronic Components while KEYS falls under Electronic Equipment & Instruments.
| Profile Item | APH | KEYS |
|---|---|---|
| Name | Amphenol Corp. Class A Common Stock | Keysight Technologies, Inc. |
| Country/Region | United States | United States |
| GICS Sector | Information Technology | Information Technology |
| GICS Industry Group | Technology Hardware & Equipment | Technology Hardware & Equipment |
| GICS Industry | Electronic Equipment, Instruments & Components | Electronic Equipment, Instruments & Components |
| GICS Sub-Industry | Electronic Components | Electronic Equipment & Instruments |
| Market Capitalization | 184.18 billion USD | 46.33 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | NYSE |
| Listing Date | November 8, 1991 | October 20, 2014 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | APH | KEYS |
|---|---|---|
| Total Return (1Y) | 15.56% | 59.88% |
| Total Return (3Y, Annualized) | 56.62% | 33.36% |
| Total Return (5Y, Annualized) | 32.33% | 9.24% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | APH | KEYS |
|---|---|---|
| Volatility (1Y, Annualized) | 48.51% | 47.95% |
| Beta (5Y) | 1.27 | 1.22 |
| Max Drawdown (5Y) | -28.73% | -42.62% |
| Avg. Volume (3M) | 12.40M | 1.31M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | APH | KEYS |
|---|---|---|
| Sharpe Ratio (1Y) | 0.23 | 1.16 |
| Sortino Ratio (1Y) | 0.32 | 1.82 |
Profitability
ROE (TTM)
Both Amphenol (APH) at 40.08% and Keysight (KEYS) at 20.90% sit in the top peer quartile for ROE, suggesting each generates more profit from shareholders’ equity than typical industry peers.
APH
Technology Hardware & Equipment industry group
40.08%
- Max
- 42.47%
- APH
- 40.08%
- Q3
- 19.13%
- Median
- 11.00%
- Q1
- 1.63%
- Min
- -20.62%
KEYS
Technology Hardware & Equipment industry group
20.90%
- Max
- 42.47%
- KEYS
- 20.90%
- Q3
- 19.13%
- Median
- 11.00%
- Q1
- 1.63%
- Min
- -20.62%
Net Margin (TTM)
For every dollar of sales, both Amphenol (APH) at 17.95% and Keysight (KEYS) at 19.14% retain more as net profit than most peers, landing in the top net margin quartile of their industries.
APH
Technology Hardware & Equipment industry group
17.95%
- Max
- 27.60%
- APH
- 17.95%
- Q3
- 11.66%
- Median
- 4.08%
- Q1
- 0.00%
- Min
- -11.02%
KEYS
Technology Hardware & Equipment industry group
19.14%
- Max
- 27.60%
- KEYS
- 19.14%
- Q3
- 11.66%
- Median
- 4.08%
- Q1
- 0.00%
- Min
- -11.02%
Operating Margin (TTM)
Both Amphenol (APH) at 29.68% and Keysight (KEYS) at 25.68% convert sales into operating profit at a top-quartile rate, pointing to tighter cost discipline before financing and tax.
APH
Technology Hardware & Equipment industry group
29.68%
- Max
- 36.27%
- APH
- 29.68%
- Q3
- 18.36%
- Median
- 8.84%
- Q1
- 1.46%
- Min
- -21.39%
KEYS
Technology Hardware & Equipment industry group
25.68%
- Max
- 36.27%
- KEYS
- 25.68%
- Q3
- 18.36%
- Median
- 8.84%
- Q1
- 1.46%
- Min
- -21.39%
Profitability Metrics
| Metric | APH | KEYS |
|---|---|---|
| ROE (TTM) | 40.08% | 20.90% |
| ROA (TTM) | 16.00% | 7.23% |
| Net Margin (TTM) | 17.95% | 19.14% |
| Operating Margin (TTM) | 29.68% | 25.68% |
| Gross Margin (TTM) | 39.21% | 63.28% |
Growth
Revenue Growth
Amphenol (APH) at 51.71% sits in the top revenue growth quartile, while Keysight (KEYS) at 7.95% is closer to the peer norm — faster top-line expansion for APH.
EPS Growth
Amphenol (APH) at 73.96% sits in the top EPS growth quartile, while Keysight (KEYS) at 39.32% is closer to the peer norm — faster per-share earnings growth for APH.
Growth Metrics
| Metric | APH | KEYS |
|---|---|---|
| Revenue Growth (YoY) | 51.71% | 7.95% |
| Revenue Growth (3Y CAGR) | 22.31% | -0.28% |
| EPS Growth (YoY) | 73.96% | 39.32% |
| EPS Growth (3Y CAGR) | 29.72% | -7.51% |
Financial Strength
Current Ratio (MRQ)
Both Amphenol (APH) at 1.94 and Keysight (KEYS) at 2.02 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.
APH
Technology Hardware & Equipment industry group
1.94
- Max
- 5.34
- Q3
- 3.02
- Median
- 1.95
- APH
- 1.94
- Q1
- 1.32
- Min
- 0.17
KEYS
Technology Hardware & Equipment industry group
2.02
- Max
- 5.34
- Q3
- 3.02
- KEYS
- 2.02
- Median
- 1.95
- Q1
- 1.32
- Min
- 0.17
Debt / Equity (MRQ)
Keysight (KEYS) at 0.42 carries an industry-typical debt-to-equity mix, while Amphenol (APH) at 1.03 uses more debt funding than most peers.
APH
Technology Hardware & Equipment industry group
1.03
- Max
- 1.76
- APH
- 1.03
- Q3
- 0.78
- Median
- 0.24
- Q1
- 0.04
- Min
- 0.01
KEYS
Technology Hardware & Equipment industry group
0.42
- Max
- 1.76
- Q3
- 0.78
- KEYS
- 0.42
- Median
- 0.24
- Q1
- 0.04
- Min
- 0.01
Financial Strength Metrics
| Metric | APH | KEYS |
|---|---|---|
| Current Ratio (MRQ) | 1.94 | 2.02 |
| Debt / Equity (MRQ) | 1.03 | 0.42 |
| Net Debt / EBITDA | 1.15 | 0.09 |
Dividends
Dividend Yield (TTM)
Keysight (KEYS) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Amphenol (APH) reports a yield of 0.70%, ranking against industry peers normally.
APH
Technology Hardware & Equipment industry group
0.70%
- Max
- 0.73%
- APH
- 0.70%
- Q3
- 0.31%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
KEYS
Technology Hardware & Equipment industry group
0.00%
- Max
- 0.73%
- Q3
- 0.31%
- KEYS
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Keysight (KEYS) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Amphenol (APH) reports a payout of 21.74%, ranking against industry peers normally.
APH
Technology Hardware & Equipment industry group
21.74%
- Max
- 32.27%
- APH
- 21.74%
- Q3
- 14.48%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
KEYS
Technology Hardware & Equipment industry group
0.00%
- Max
- 32.27%
- Q3
- 14.48%
- KEYS
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | APH | KEYS |
|---|---|---|
| Dividend Yield (TTM) | 0.70% | 0.00% |
| Dividend Payout Ratio (TTM) | 21.74% | 0.00% |
Valuation
P/E Ratio (TTM)
Both Amphenol (APH) at 32.43 and Keysight (KEYS) at 36.82 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.
APH
Technology Hardware & Equipment industry group
32.43
- Max
- 69.48
- Q3
- 41.02
- APH
- 32.43
- Median
- 26.39
- Q1
- 19.36
- Min
- 6.07
KEYS
Technology Hardware & Equipment industry group
36.82
- Max
- 69.48
- Q3
- 41.02
- KEYS
- 36.82
- Median
- 26.39
- Q1
- 19.36
- Min
- 6.07
P/S Ratio (TTM)
Amphenol (APH) at 5.57 is priced about in line with its industry on P/S ratio, while Keysight (KEYS) at 7.04 sits in the pricier quartile — KEYS costs more per dollar of sales.
APH
Technology Hardware & Equipment industry group
5.57
- Max
- 11.30
- Q3
- 5.82
- APH
- 5.57
- Median
- 2.56
- Q1
- 1.05
- Min
- 0.00
KEYS
Technology Hardware & Equipment industry group
7.04
- Max
- 11.30
- KEYS
- 7.04
- Q3
- 5.82
- Median
- 2.56
- Q1
- 1.05
- Min
- 0.00
P/B Ratio (MRQ)
Both Amphenol (APH) at 10.75 and Keysight (KEYS) at 7.05 carry a premium to book value versus peers, sitting in the upper P/B ratio quartile of their industries.
APH
Technology Hardware & Equipment industry group
10.75
- APH
- 10.75
- Max
- 10.75
- Q3
- 5.52
- Median
- 3.17
- Q1
- 1.79
- Min
- 0.33
KEYS
Technology Hardware & Equipment industry group
7.05
- Max
- 10.75
- KEYS
- 7.05
- Q3
- 5.52
- Median
- 3.17
- Q1
- 1.79
- Min
- 0.33
Valuation Metrics
| Metric | APH | KEYS |
|---|---|---|
| P/E Ratio (TTM) | 32.43 | 36.82 |
| P/S Ratio (TTM) | 5.57 | 7.04 |
| P/B Ratio (MRQ) | 10.75 | 7.05 |
| Free Cash Flow Yield (TTM) | 2.33% | 4.03% |