OSIS vs. BDC

Last updated Jun 3, 2026

OSIS (OSI Systems, Inc.) and BDC (Belden Inc.) are both stocks. OSIS operates in Electronic Components (Technology), while BDC operates in Electrical Equipment & Parts (Industrials). Over the past 10 years, OSIS returned 15.02%/yr vs 5.74%/yr for BDC. At a 0.35 correlation, their price movements are largely independent.

Performance

OSIS vs. BDC - Performance Comparison

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

Returns By Period

In the year-to-date period, OSIS achieves a -16.88% return, which is significantly lower than BDC's -6.07% return. Over the past 10 years, OSIS has outperformed BDC with an annualized return of 15.02%, while BDC has yielded a comparatively lower 5.74% annualized return.

OSIS

• 1D: -0.64%
• 1M: -24.95%
• YTD: -16.88%
• 6M: -20.35%
• 1Y: -2.52%
• 3Y*: 20.39%
• 5Y*: 16.90%
• 10Y*: 15.02%

BDC

• 1D: 5.99%
• 1M: -4.13%
• YTD: -6.07%
• 6M: -3.06%
• 1Y: 4.75%
• 3Y*: 6.88%
• 5Y*: 16.12%
• 10Y*: 5.74%

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

OSIS vs. BDC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OSIS OSI Systems, Inc.	-16.88%	52.34%	29.74%	62.29%	-14.68%	-0.02%	-7.46%	37.44%	13.86%	-15.42%
BDC Belden Inc.	-6.07%	3.68%	46.06%	7.69%	9.75%	57.46%	-23.40%	32.14%	-45.70%	3.48%

Correlation

The correlation between OSIS and BDC is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.39
Correlation (3Y) Calculated over the trailing 3-year period	0.47
Correlation (5Y) Calculated over the trailing 5-year period	0.50
Correlation (10Y) Calculated over the trailing 10-year period	0.47
Correlation (All Time) Calculated using the full available price history since Oct 3, 1997	0.35

The correlation between OSIS and BDC shifts across timeframes, from 0.35 (all time) to 0.50 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap OSIS : $3.69B BDC : $4.31B
EPS OSIS : $8.73 BDC : $5.94
PE Ratio OSIS : 24.29 BDC : 18.43
PEG Ratio OSIS : 0.98 BDC : 0.23
PS Ratio OSIS : 2.05 BDC : 1.57
PB Ratio OSIS : 4.13 BDC : 3.36
Total Revenue (TTM) OSIS : $1.81B BDC : $2.79B
Gross Profit (TTM) OSIS : $593.38M BDC : $1.04B
EBITDA (TTM) OSIS : $184.81M BDC : $427.27M

Return for Risk

OSIS vs. BDC — Risk / Return Rank

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

OSIS

OSIS Risk / Return Rank: 36
OSIS Sharpe Ratio Rank: 37
OSIS Sortino Ratio Rank: 35
OSIS Omega Ratio Rank: 35
OSIS Calmar Ratio Rank: 37
OSIS Martin Ratio Rank: 34

BDC

BDC Risk / Return Rank: 42
BDC Sharpe Ratio Rank: 45
BDC Sortino Ratio Rank: 40
BDC Omega Ratio Rank: 40
BDC Calmar Ratio Rank: 42
BDC Martin Ratio Rank: 42

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.

OSIS vs. BDC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for OSI Systems, Inc. (OSIS) and Belden Inc. (BDC). 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.

	OSIS	BDC	Difference
Sharpe ratio Return per unit of total volatility	-0.06	0.13	-0.19
Sortino ratio Return per unit of downside risk	0.22	0.44	-0.21
Omega ratio Gain probability vs. loss probability	1.03	1.06	-0.03
Calmar ratio Return relative to maximum drawdown	-0.10	0.10	-0.20
Martin ratio Return relative to average drawdown	-0.32	0.23	-0.55
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OSIS vs. BDC - Sharpe Ratio Comparison

The current OSIS Sharpe Ratio is -0.06, which is lower than the BDC Sharpe Ratio of 0.13. The chart below compares the historical Sharpe Ratios of OSIS and BDC, 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

	OSIS	BDC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.06	0.13	-0.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.44	+0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.14	+0.30
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.21	-0.05

Drawdowns

OSIS vs. BDC - Drawdown Comparison

The maximum OSIS drawdown since its inception was -88.44%, roughly equal to the maximum BDC drawdown of -85.69%. Use the drawdown chart below to compare losses from any high point for OSIS and BDC.

Drawdown Indicators

	OSIS	BDC	Difference
Max Drawdown Largest peak-to-trough decline	-88.44%	-85.69%	-2.75%
Max Drawdown (1Y) Largest decline over 1 year	-33.67%	-32.41%	-1.26%
Max Drawdown (3Y) Largest decline over 3 years	-33.67%	-36.62%	+2.95%
Max Drawdown (5Y) Largest decline over 5 years	-33.67%	-36.62%	+2.95%
Max Drawdown (10Y) Largest decline over 10 years	-53.64%	-67.69%	+14.05%
Current Drawdown Current decline from peak	-31.54%	-27.46%	-4.08%
Average Drawdown Average peak-to-trough decline	-25.68%	-34.82%	+9.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.19%	13.89%	-3.70%

Volatility

OSIS vs. BDC - Volatility Comparison

OSI Systems, Inc. (OSIS) has a higher volatility of 21.53% compared to Belden Inc. (BDC) at 10.40%. This indicates that OSIS's price experiences larger fluctuations and is considered to be riskier than BDC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OSIS	BDC	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.53%	10.40%	+11.13%
Volatility (6M) Calculated over the trailing 6-month period	33.42%	28.91%	+4.51%
Volatility (1Y) Calculated over the trailing 1-year period	43.29%	35.56%	+7.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.18%	36.55%	-3.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.65%	40.23%	-6.58%

Dividends

OSIS vs. BDC - Dividend Comparison

OSIS has not paid dividends to shareholders, while BDC's dividend yield for the trailing twelve months is around 0.18%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BDC Belden Inc.	0.18%	0.17%	0.18%	0.26%	0.28%	0.30%	0.48%	0.36%	0.48%	0.26%	0.27%	0.42%
OSIS OSI Systems, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

OSIS vs. BDC - Profitability Comparison

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

OSIS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, OSI Systems, Inc. reported a gross profit of 150.32M and revenue of 453.25M. Therefore, the gross margin over that period was 33.2%.

BDC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Belden Inc. reported a gross profit of 258.09M and revenue of 696.38M. Therefore, the gross margin over that period was 37.1%.

OSIS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, OSI Systems, Inc. reported an operating income of 53.21M and revenue of 453.25M, resulting in an operating margin of 11.7%.

BDC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Belden Inc. reported an operating income of 77.96M and revenue of 696.38M, resulting in an operating margin of 11.2%.

OSIS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, OSI Systems, Inc. reported a net income of 40.22M and revenue of 453.25M, resulting in a net margin of 8.9%.

BDC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Belden Inc. reported a net income of 51.03M and revenue of 696.38M, resulting in a net margin of 7.3%.

Frequently Asked Questions

Can I hold both OSIS and BDC in my portfolio?

OSIS and BDC have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OSIS or BDC?

OSIS has higher volatility (21.53%) compared to BDC (10.40%). In terms of maximum drawdown, OSIS dropped -88.44% vs BDC's -85.69%.

Which has better risk-adjusted returns?

BDC currently has the higher Sharpe Ratio (0.13 vs -0.06), 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.