BDC vs. APH

Last updated Apr 1, 2026

Compare and contrast key facts about Belden Inc. (BDC) and Amphenol Corporation (APH).

Performance

BDC vs. APH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Belden Inc. (BDC) and Amphenol Corporation (APH). The values are adjusted to include any dividend payments, if applicable.

BDC vs. APH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BDC Belden Inc.	-1.44%	3.68%	46.06%	7.69%	9.75%	57.46%	-23.40%	32.14%	-45.70%	3.48%
APH Amphenol Corporation	-6.32%	96.08%	41.30%	31.85%	-11.96%	35.25%	22.09%	34.91%	-6.82%	31.81%

Fundamentals

Market Cap BDC : $4.58B APH : $162.83B
EPS BDC : $5.94 APH : $3.34
PE Ratio BDC : 19.34 APH : 37.88
PEG Ratio BDC : 0.24 APH : 1.26
PS Ratio BDC : 1.69 APH : 7.00
PB Ratio BDC : 3.62 APH : 12.14
Total Revenue (TTM) BDC : $2.72B APH : $23.09B
Gross Profit (TTM) BDC : $1.03B APH : $8.52B
EBITDA (TTM) BDC : $451.28M APH : $6.89B

Returns By Period

In the year-to-date period, BDC achieves a -1.44% return, which is significantly higher than APH's -6.32% return. Over the past 10 years, BDC has underperformed APH with an annualized return of 6.65%, while APH has yielded a comparatively higher 25.30% annualized return.

BDC

• 1D: 3.60%
• 1M: -19.83%
• YTD: -1.44%
• 6M: -4.45%
• 1Y: 14.73%
• 3Y*: 10.00%
• 5Y*: 21.09%
• 10Y*: 6.65%

APH

• 1D: 6.04%
• 1M: -13.32%
• YTD: -6.32%
• 6M: 2.50%
• 1Y: 94.00%
• 3Y*: 46.92%
• 5Y*: 31.66%
• 10Y*: 25.30%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

BDC vs. APH — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BDC

BDC Risk / Return Rank: 54
BDC Sharpe Ratio Rank: 56
BDC Sortino Ratio Rank: 51
BDC Omega Ratio Rank: 50
BDC Calmar Ratio Rank: 55
BDC Martin Ratio Rank: 56

APH

APH Risk / Return Rank: 90
APH Sharpe Ratio Rank: 93
APH Sortino Ratio Rank: 89
APH Omega Ratio Rank: 91
APH Calmar Ratio Rank: 87
APH Martin Ratio Rank: 91

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BDC vs. APH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Belden Inc. (BDC) and Amphenol Corporation (APH). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	BDC	APH	Difference
Sharpe ratio Return per unit of total volatility	0.39	2.30	-1.91
Sortino ratio Return per unit of downside risk	0.82	2.65	-1.82
Omega ratio Gain probability vs. loss probability	1.10	1.40	-0.30
Calmar ratio Return relative to maximum drawdown	0.53	3.23	-2.70
Martin ratio Return relative to average drawdown	1.35	11.34	-10.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BDC vs. APH - Sharpe Ratio Comparison

The current BDC Sharpe Ratio is 0.39, which is lower than the APH Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of BDC and APH, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BDC	APH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.39	2.30	-1.91
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.58	1.08	-0.50
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.17	0.93	-0.77
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	0.62	-0.41

Correlation

The correlation between BDC and APH is 0.44, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

BDC vs. APH - Dividend Comparison

BDC's dividend yield for the trailing twelve months is around 0.17%, less than APH's 0.66% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BDC Belden Inc.	0.17%	0.17%	0.18%	0.26%	0.28%	0.30%	0.48%	0.36%	0.48%	0.26%	0.27%	0.42%
APH Amphenol Corporation	0.66%	0.55%	0.79%	1.07%	1.06%	0.89%	0.80%	0.89%	1.09%	0.80%	0.86%	1.01%

Drawdowns

BDC vs. APH - Drawdown Comparison

The maximum BDC drawdown since its inception was -85.69%, which is greater than APH's maximum drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for BDC and APH.

Drawdown Indicators

	BDC	APH	Difference
Max Drawdown Largest peak-to-trough decline	-85.69%	-63.41%	-22.28%
Max Drawdown (1Y) Largest decline over 1 year	-26.52%	-28.19%	+1.67%
Max Drawdown (5Y) Largest decline over 5 years	-36.62%	-28.73%	-7.89%
Max Drawdown (10Y) Largest decline over 10 years	-67.69%	-37.56%	-30.13%
Current Drawdown Current decline from peak	-23.88%	-23.85%	-0.03%
Average Drawdown Average peak-to-trough decline	-34.89%	-13.55%	-21.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.41%	8.03%	+2.38%

Volatility

BDC vs. APH - Volatility Comparison

Belden Inc. (BDC) and Amphenol Corporation (APH) have volatilities of 13.61% and 14.30%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BDC	APH	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.61%	14.30%	-0.69%
Volatility (6M) Calculated over the trailing 6-month period	24.50%	33.98%	-9.48%
Volatility (1Y) Calculated over the trailing 1-year period	37.55%	41.10%	-3.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.65%	29.47%	+7.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	39.97%	27.16%	+12.81%

Financials

BDC vs. APH - Profitability Comparison

The chart below illustrates the profitability comparison between Belden Inc. and Amphenol Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

BDC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Belden Inc. reported a gross profit of 263.57M and revenue of 720.12M. Therefore, the gross margin over that period was 36.6%.

APH - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported a gross profit of 2.46B and revenue of 6.44B. Therefore, the gross margin over that period was 38.2%.

BDC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Belden Inc. reported an operating income of 87.54M and revenue of 720.12M, resulting in an operating margin of 12.2%.

APH - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported an operating income of 1.77B and revenue of 6.44B, resulting in an operating margin of 27.5%.

BDC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Belden Inc. reported a net income of 67.89M and revenue of 720.12M, resulting in a net margin of 9.4%.

APH - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported a net income of 1.20B and revenue of 6.44B, resulting in a net margin of 18.6%.