BSX vs. CLS
BSX (Boston Scientific Corporation) and CLS (Celestica Inc.) are both stocks. BSX operates in Medical Devices (Healthcare), while CLS operates in Electronic Components (Technology). Over the past 10 years, BSX returned 7.42%/yr vs 43.71%/yr for CLS. At a 0.27 correlation, their price movements are largely independent.
Performance
BSX vs. CLS - Performance Comparison
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Returns By Period
In the year-to-date period, BSX achieves a -50.80% return, which is significantly lower than CLS's 32.99% return. Over the past 10 years, BSX has underperformed CLS with an annualized return of 7.42%, while CLS has yielded a comparatively higher 43.71% annualized return.
BSX
- 1D
- -0.55%
- 1M
- -10.95%
- YTD
- -50.80%
- 6M
- -49.33%
- 1Y
- -52.97%
- 3Y*
- -2.85%
- 5Y*
- 1.80%
- 10Y*
- 7.42%
CLS
- 1D
- 1.88%
- 1M
- 9.64%
- YTD
- 32.99%
- 6M
- 28.26%
- 1Y
- 213.67%
- 3Y*
- 207.28%
- 5Y*
- 116.26%
- 10Y*
- 43.71%
BSX vs. CLS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BSX Boston Scientific Corporation | -50.80% | 6.75% | 54.51% | 24.94% | 8.92% | 18.16% | -20.50% | 27.96% | 42.56% | 14.61% |
CLS Celestica Inc. | 32.99% | 220.27% | 215.23% | 159.80% | 1.26% | 37.92% | -2.42% | -5.70% | -16.32% | -11.56% |
Correlation
The correlation between BSX and CLS is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.02 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.26 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.29 |
Correlation (All Time) Calculated using the full available price history since Jun 30, 1998 | 0.27 |
Over the past year, the correlation between BSX and CLS has dropped to 0.02 - well below their long-term average of 0.27, suggesting their price drivers have been diverging.
Fundamentals
BSX:
$70.13B
CLS:
$45.48B
BSX:
$2.38
CLS:
$8.28
BSX:
19.74
CLS:
47.45
BSX:
0.44
CLS:
0.64
BSX:
3.40
CLS:
3.30
BSX:
2.71
CLS:
21.68
BSX:
$20.62B
CLS:
$13.81B
BSX:
$14.52B
CLS:
$1.60B
BSX:
$4.76B
CLS:
$1.32B
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Return for Risk
BSX vs. CLS — Risk / Return Rank
BSX
CLS
BSX vs. CLS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Boston Scientific Corporation (BSX) and Celestica Inc. (CLS). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BSX | CLS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -4.29 | ||
| Sortino ratioReturn per unit of downside risk | -5.08 | ||
| Omega ratioGain probability vs. loss probability | 0.67 | 1.37 | -0.70 |
| Calmar ratioReturn relative to maximum drawdown | -0.93 | 6.91 | -7.84 |
| Martin ratioReturn relative to average drawdown | -2.00 | 16.83 | -18.83 |
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Drawdowns
BSX vs. CLS - Drawdown Comparison
The maximum BSX drawdown since its inception was -89.15%, smaller than the maximum CLS drawdown of -96.93%. Use the drawdown chart below to compare losses from any high point for BSX and CLS.
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Drawdown Indicators
| BSX | CLS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.15% | -96.93% | +7.78% |
Max Drawdown (1Y)Largest decline over 1 year | -56.62% | -29.24% | -27.38% |
Max Drawdown (3Y)Largest decline over 3 years | -56.62% | -53.96% | -2.66% |
Max Drawdown (5Y)Largest decline over 5 years | -56.62% | -53.96% | -2.66% |
Max Drawdown (10Y)Largest decline over 10 years | -56.62% | -80.60% | +23.98% |
Current DrawdownCurrent decline from peak | -56.62% | -16.78% | -39.84% |
Average DrawdownAverage peak-to-trough decline | -38.76% | -73.31% | +34.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 26.23% | 11.98% | +14.25% |
Volatility
BSX vs. CLS - Volatility Comparison
The current volatility for Boston Scientific Corporation (BSX) is 15.84%, while Celestica Inc. (CLS) has a volatility of 27.54%. This indicates that BSX experiences smaller price fluctuations and is considered to be less risky than CLS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BSX | CLS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.84% | 27.54% | -11.70% |
Volatility (6M)Calculated over the trailing 6-month period | 32.83% | 55.42% | -22.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.77% | 72.65% | -37.88% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.69% | 57.70% | -32.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.29% | 49.97% | -22.68% |
Dividends
BSX vs. CLS - Dividend Comparison
Neither BSX nor CLS has paid dividends to shareholders.
Financials
BSX vs. CLS - Financials Comparison
This section allows you to compare key financial metrics between Boston Scientific Corporation and Celestica Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
BSX vs. CLS - Profitability Comparison
BSX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported a gross profit of 3.61B and revenue of 5.20B. Therefore, the gross margin over that period was 69.4%.
CLS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported a gross profit of 437.20M and revenue of 4.05B. Therefore, the gross margin over that period was 10.8%.
BSX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported an operating income of 1.07B and revenue of 5.20B, resulting in an operating margin of 20.6%.
CLS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported an operating income of 272.10M and revenue of 4.05B, resulting in an operating margin of 6.7%.
BSX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported a net income of 1.34B and revenue of 5.20B, resulting in a net margin of 25.7%.
CLS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported a net income of 212.30M and revenue of 4.05B, resulting in a net margin of 5.3%.
Frequently Asked Questions
BSX and CLS have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CLS has higher volatility (27.54%) compared to BSX (15.84%). In terms of maximum drawdown, BSX dropped -89.15% vs CLS's -96.93%.
CLS currently has the higher Sharpe Ratio (2.78 vs -1.51), 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.
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