RBC vs. APH

Last updated Jun 3, 2026

RBC (RBC Bearings Incorporated) and APH (Amphenol Corporation) are both stocks. RBC operates in Tools & Accessories (Industrials), while APH operates in Electronic Components (Technology). Over the past 10 years, RBC returned 23.36%/yr vs 27.16%/yr for APH. A 0.50 correlation means they provide meaningful diversification when combined.

Performance

RBC vs. APH - Performance Comparison

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

Returns By Period

In the year-to-date period, RBC achieves a 28.97% return, which is significantly higher than APH's 10.03% return. Over the past 10 years, RBC has underperformed APH with an annualized return of 23.36%, while APH has yielded a comparatively higher 27.16% annualized return.

RBC

• 1D: 2.15%
• 1M: -2.92%
• YTD: 28.97%
• 6M: 31.43%
• 1Y: 56.22%
• 3Y*: 40.56%
• 5Y*: 24.83%
• 10Y*: 23.36%

APH

• 1D: 1.41%
• 1M: 4.29%
• YTD: 10.03%
• 6M: 5.29%
• 1Y: 65.39%
• 3Y*: 57.73%
• 5Y*: 35.57%
• 10Y*: 27.16%

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

RBC vs. APH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RBC RBC Bearings Incorporated	28.97%	49.91%	5.00%	36.08%	4.19%	17.32%	14.10%	21.72%	3.72%	36.19%
APH Amphenol Corporation	10.03%	96.08%	41.30%	31.85%	-11.96%	35.25%	22.09%	34.91%	-6.82%	31.81%

Correlation

The correlation between RBC and APH is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.39
Correlation (5Y) Calculated over the trailing 5-year period	0.47
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Aug 11, 2005	0.50

Over the past year, the correlation between RBC and APH has dropped to 0.28 - well below their long-term average of 0.50, suggesting their price drivers have been diverging.

Fundamentals

Market Cap RBC : $18.34B APH : $191.39B
EPS RBC : $9.09 APH : $4.58
PE Ratio RBC : 63.59 APH : 32.37
PEG Ratio RBC : 0.90 APH : 1.08
PS Ratio RBC : 9.78 APH : 7.35
PB Ratio RBC : 5.46 APH : 13.69
Total Revenue (TTM) RBC : $1.87B APH : $25.90B
Gross Profit (TTM) RBC : $830.20M APH : $9.67B
EBITDA (TTM) RBC : $510.20M APH : $7.45B

Return for Risk

RBC vs. APH — Risk / Return Rank

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

RBC

RBC Risk / Return Rank: 89
RBC Sharpe Ratio Rank: 89
RBC Sortino Ratio Rank: 88
RBC Omega Ratio Rank: 85
RBC Calmar Ratio Rank: 91
RBC Martin Ratio Rank: 91

APH

APH Risk / Return Rank: 78
APH Sharpe Ratio Rank: 83
APH Sortino Ratio Rank: 75
APH Omega Ratio Rank: 78
APH Calmar Ratio Rank: 77
APH Martin Ratio Rank: 78

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.

RBC vs. APH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RBC Bearings Incorporated (RBC) 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.

	RBC	APH	Difference
Sharpe ratio Return per unit of total volatility	2.21	1.63	+0.58
Sortino ratio Return per unit of downside risk	3.02	2.05	+0.97
Omega ratio Gain probability vs. loss probability	1.38	1.29	+0.09
Calmar ratio Return relative to maximum drawdown	5.02	2.35	+2.67
Martin ratio Return relative to average drawdown	13.84	6.16	+7.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RBC vs. APH - Sharpe Ratio Comparison

The current RBC Sharpe Ratio is 2.21, which is higher than the APH Sharpe Ratio of 1.63. The chart below compares the historical Sharpe Ratios of RBC and APH, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RBC	APH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.21	1.63	+0.58
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	1.18	-0.38
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.62	0.98	-0.36
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.63	-0.12

Drawdowns

RBC vs. APH - Drawdown Comparison

The maximum RBC drawdown since its inception was -71.79%, which is greater than APH's maximum drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for RBC and APH.

Drawdown Indicators

	RBC	APH	Difference
Max Drawdown Largest peak-to-trough decline	-71.79%	-63.41%	-8.38%
Max Drawdown (1Y) Largest decline over 1 year	-11.56%	-28.19%	+16.63%
Max Drawdown (3Y) Largest decline over 3 years	-17.81%	-28.19%	+10.38%
Max Drawdown (5Y) Largest decline over 5 years	-35.26%	-28.73%	-6.53%
Max Drawdown (10Y) Largest decline over 10 years	-55.06%	-37.56%	-17.50%
Current Drawdown Current decline from peak	-7.20%	-10.56%	+3.36%
Average Drawdown Average peak-to-trough decline	-12.75%	-13.56%	+0.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.20%	10.74%	-6.54%

Volatility

RBC vs. APH - Volatility Comparison

The current volatility for RBC Bearings Incorporated (RBC) is 11.18%, while Amphenol Corporation (APH) has a volatility of 15.93%. This indicates that RBC experiences smaller price fluctuations and is considered to be less risky than APH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RBC	APH	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.18%	15.93%	-4.75%
Volatility (6M) Calculated over the trailing 6-month period	19.72%	36.05%	-16.33%
Volatility (1Y) Calculated over the trailing 1-year period	25.60%	40.38%	-14.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.50%	30.42%	+1.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.62%	27.75%	+9.87%

Dividends

RBC vs. APH - Dividend Comparison

RBC has not paid dividends to shareholders, while APH's dividend yield for the trailing twelve months is around 0.56%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
APH Amphenol Corporation	0.56%	0.55%	0.79%	1.07%	1.06%	0.89%	0.80%	0.89%	1.09%	0.80%	0.86%	1.01%
RBC RBC Bearings Incorporated	0.00%	0.00%	0.00%	0.00%	0.49%	4.10%	0.67%	0.75%	0.00%	0.00%	0.00%	0.00%

Financials

RBC vs. APH - Profitability Comparison

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

RBC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, RBC Bearings Incorporated reported a gross profit of 251.00M and revenue of 518.00M. Therefore, the gross margin over that period was 48.5%.

APH - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amphenol Corporation reported a gross profit of 2.80B and revenue of 7.62B. Therefore, the gross margin over that period was 36.8%.

RBC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, RBC Bearings Incorporated reported an operating income of 116.60M and revenue of 518.00M, resulting in an operating margin of 22.5%.

APH - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amphenol Corporation reported an operating income of 1.83B and revenue of 7.62B, resulting in an operating margin of 24.0%.

RBC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, RBC Bearings Incorporated reported a net income of 91.70M and revenue of 518.00M, resulting in a net margin of 17.7%.

APH - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amphenol Corporation reported a net income of 2.35B and revenue of 7.62B, resulting in a net margin of 30.8%.

Frequently Asked Questions

Can I hold both RBC and APH in my portfolio?

RBC and APH have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RBC or APH?

APH has higher volatility (15.93%) compared to RBC (11.18%). In terms of maximum drawdown, RBC dropped -71.79% vs APH's -63.41%.

Which has better risk-adjusted returns?

RBC currently has the higher Sharpe Ratio (2.21 vs 1.63), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.