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APH vs. CIEN: Amphenol vs. Ciena Stock Comparison

How do Amphenol (APH) and Ciena (CIEN) 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 Ciena (CIEN) both fall under the Technology Hardware & Equipment industry group, but APH is classified in Electronic Equipment, Instruments & Components while CIEN is classified in Communications Equipment.

Company profile comparison for Amphenol (APH) and Ciena (CIEN)
Profile ItemAPHCIEN
NameAmphenol Corp. Class A Common StockCiena Corp.
Country/RegionUnited StatesUnited States
GICS SectorInformation TechnologyInformation Technology
GICS Industry GroupTechnology Hardware & EquipmentTechnology Hardware & Equipment
GICS IndustryElectronic Equipment, Instruments & ComponentsCommunications Equipment
GICS Sub-IndustryElectronic ComponentsCommunications Equipment
Market Capitalization184.18 billion USD34.51 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateNovember 8, 1991February 7, 1997
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

APH
CIEN
GSPC
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Amphenol (APH) vs. Ciena (CIEN), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Amphenol (APH) and Ciena (CIEN). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Amphenol (APH) and Ciena (CIEN). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
Total Return (1Y)15.56%36.49%
Total Return (3Y, Annualized)56.62%84.56%
Total Return (5Y, Annualized)32.33%35.01%

Risk Profile

Drawdown History

APH
CIEN
GSPC
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Amphenol (APH) vs. Ciena (CIEN), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Amphenol (APH) and Ciena (CIEN). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
Volatility (1Y, Annualized)48.51%81.12%
Beta (5Y)1.271.39
Max Drawdown (5Y)-28.73%-63.19%
Avg. Volume (3M)12.40M2.83M

Risk-Adjusted Performance

Risk-Return Positioning

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APH and CIEN are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
Sharpe Ratio (1Y)0.230.40
Sortino Ratio (1Y)0.320.56

Profitability

ROE (TTM)

Both Amphenol (APH) at 40.08% and Ciena (CIEN) at 22.40% 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%

CIEN

Technology Hardware & Equipment industry group

22.40%

Max
42.47%
CIEN
22.40%
Q3
19.13%
Median
11.00%
Q1
1.63%
Min
-20.62%
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their ROE against the Technology Hardware & Equipment industry group benchmark.

Net Margin (TTM)

Amphenol (APH) at 17.95% retains a top-quartile share of revenue as profit, ahead of Ciena (CIEN) at 10.87%, which keeps about the industry-typical share.

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%

CIEN

Technology Hardware & Equipment industry group

10.87%

Max
27.60%
Q3
11.66%
CIEN
10.87%
Median
4.08%
Q1
0.00%
Min
-11.02%
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their net margin against the Technology Hardware & Equipment industry group benchmark.

Operating Margin (TTM)

Amphenol (APH) at 29.68% operates in the top operating margin quartile, ahead of Ciena (CIEN) at 18.08%, which runs around its industry’s norm.

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%

CIEN

Technology Hardware & Equipment industry group

18.08%

Max
36.27%
Q3
18.36%
CIEN
18.08%
Median
8.84%
Q1
1.46%
Min
-21.39%
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their operating margin against the Technology Hardware & Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
ROE (TTM)40.08%22.40%
ROA (TTM)16.00%7.73%
Net Margin (TTM)17.95%10.87%
Operating Margin (TTM)29.68%18.08%
Gross Margin (TTM)39.21%44.07%

Growth

Revenue Growth

Amphenol (APH) at 51.71% sits in the top revenue growth quartile, while Ciena (CIEN) at 18.79% is closer to the peer norm — faster top-line expansion for APH.

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Amphenol (APH) vs. Ciena (CIEN): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both Amphenol (APH) at 73.96% and Ciena (CIEN) at 46.55% sit in the top peer quartile for EPS growth, so each is compounding per-share earnings faster than typical industry peers.

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Amphenol (APH) vs. Ciena (CIEN): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
Revenue Growth (YoY)51.71%18.79%
Revenue Growth (3Y CAGR)22.31%9.50%
EPS Growth (YoY)73.96%46.55%
EPS Growth (3Y CAGR)29.72%-5.27%

Financial Strength

Current Ratio (MRQ)

Amphenol (APH) at 1.94 keeps current ratio within its industry’s typical mid-range, while Ciena (CIEN) at 3.80 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets 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

CIEN

Technology Hardware & Equipment industry group

3.80

Max
5.34
CIEN
3.80
Q3
3.02
Median
1.95
Q1
1.32
Min
0.17
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their current ratio against the Technology Hardware & Equipment industry group benchmark.

Debt / Equity (MRQ)

Both Amphenol (APH) at 1.03 and Ciena (CIEN) at 1.07 lean more heavily on debt funding than most peers, landing in the higher-leverage quartile of their industries.

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

CIEN

Technology Hardware & Equipment industry group

1.07

Max
1.76
CIEN
1.07
Q3
0.78
Median
0.24
Q1
0.04
Min
0.01
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their debt-to-equity ratio against the Technology Hardware & Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
Current Ratio (MRQ)1.943.80
Debt / Equity (MRQ)1.031.07
Net Debt / EBITDA1.150.64

Dividends

Dividend Yield (TTM)

Ciena (CIEN) 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%

CIEN

Technology Hardware & Equipment industry group

0.00%

Max
0.73%
Q3
0.31%
CIEN
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their dividend yield against the Technology Hardware & Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Ciena (CIEN) 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%

CIEN

Technology Hardware & Equipment industry group

0.00%

Max
32.27%
Q3
14.48%
CIEN
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their payout ratio against the Technology Hardware & Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
Dividend Yield (TTM)0.70%0.00%
Dividend Payout Ratio (TTM)21.74%0.00%

Valuation

P/E Ratio (TTM)

Amphenol (APH) at 32.43 is near its industry’s usual P/E ratio, while Ciena (CIEN) at 54.45 sits in the richer quartile — CIEN needs stronger growth or earnings quality to justify the premium.

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

CIEN

Technology Hardware & Equipment industry group

54.45

Max
69.48
CIEN
54.45
Q3
41.02
Median
26.39
Q1
19.36
Min
6.07
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their P/E ratio against the Technology Hardware & Equipment industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both Amphenol (APH) at 5.57 and Ciena (CIEN) at 5.73 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

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

CIEN

Technology Hardware & Equipment industry group

5.73

Max
11.30
Q3
5.82
CIEN
5.73
Median
2.56
Q1
1.05
Min
0.00
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their P/S ratio against the Technology Hardware & Equipment industry group benchmark.

P/B Ratio (MRQ)

Both look rich against book: Amphenol (APH) at 10.75 sits in the upper P/B ratio quartile, and Ciena (CIEN) at 11.30 prices even higher, above its industry range.

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

CIEN

Technology Hardware & Equipment industry group

11.30

CIEN
11.30
Max
10.75
Q3
5.52
Median
3.17
Q1
1.79
Min
0.33
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Amphenol (APH) vs. Ciena (CIEN): A comparison of their P/B ratio against the Technology Hardware & Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Amphenol (APH) and Ciena (CIEN)
MetricAPHCIEN
P/E Ratio (TTM)32.4354.45
P/S Ratio (TTM)5.575.73
P/B Ratio (MRQ)10.7511.30
Free Cash Flow Yield (TTM)2.33%1.84%