BSX vs. BYRN
BSX (Boston Scientific Corporation) and BYRN (Byrna Technologies Inc.) are both stocks. BSX operates in Medical Devices (Healthcare), while BYRN operates in Aerospace & Defense (Industrials). Over the past 10 years, BSX returned 7.42%/yr vs 10.22%/yr for BYRN. At a 0.07 correlation, their price movements are largely independent.
Performance
BSX vs. BYRN - Performance Comparison
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Returns By Period
In the year-to-date period, BSX achieves a -50.80% return, which is significantly higher than BYRN's -62.18% return. Over the past 10 years, BSX has underperformed BYRN with an annualized return of 7.42%, while BYRN has yielded a comparatively higher 10.22% annualized return.
BSX
- 1D
- -0.55%
- 1M
- -11.59%
- YTD
- -50.80%
- 6M
- -49.33%
- 1Y
- -52.40%
- 3Y*
- -2.85%
- 5Y*
- 1.80%
- 10Y*
- 7.42%
BYRN
- 1D
- -1.55%
- 1M
- 27.00%
- YTD
- -62.18%
- 6M
- -66.08%
- 1Y
- -79.89%
- 3Y*
- 7.86%
- 5Y*
- -23.39%
- 10Y*
- 10.22%
BSX vs. BYRN - 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% |
BYRN Byrna Technologies Inc. | -62.18% | -41.72% | 350.86% | -18.49% | -41.27% | -7.93% | 663.16% | 26.67% | 7.14% | -30.00% |
Correlation
The correlation between BSX and BYRN is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.11 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.09 |
Correlation (All Time) Calculated using the full available price history since Feb 23, 2011 | 0.07 |
The correlation between BSX and BYRN shifts across timeframes, from 0.07 (all time) to 0.17 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
BSX:
$70.13B
BYRN:
$151.32M
BSX:
$2.38
BYRN:
$0.37
BSX:
19.74
BYRN:
17.25
BSX:
3.40
BYRN:
1.26
BSX:
2.71
BYRN:
2.28
BSX:
$20.62B
BYRN:
$120.98M
BSX:
$14.52B
BYRN:
$72.95M
BSX:
$4.76B
BYRN:
$12.75M
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Return for Risk
BSX vs. BYRN — Risk / Return Rank
BSX
BYRN
BSX vs. BYRN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Boston Scientific Corporation (BSX) and Byrna Technologies Inc. (BYRN). 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 | BYRN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.43 | ||
| Sortino ratioReturn per unit of downside risk | -0.02 | ||
| Omega ratioGain probability vs. loss probability | 0.67 | 0.72 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | -0.93 | -0.94 | +0.01 |
| Martin ratioReturn relative to average drawdown | -2.00 | -1.45 | -0.55 |
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Drawdowns
BSX vs. BYRN - Drawdown Comparison
The maximum BSX drawdown since its inception was -89.15%, roughly equal to the maximum BYRN drawdown of -92.51%. Use the drawdown chart below to compare losses from any high point for BSX and BYRN.
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Drawdown Indicators
| BSX | BYRN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.15% | -92.51% | +3.36% |
Max Drawdown (1Y)Largest decline over 1 year | -56.62% | -85.22% | +28.60% |
Max Drawdown (3Y)Largest decline over 3 years | -56.62% | -85.49% | +28.87% |
Max Drawdown (5Y)Largest decline over 5 years | -56.62% | -92.51% | +35.89% |
Max Drawdown (10Y)Largest decline over 10 years | -56.62% | -92.51% | +35.89% |
Current DrawdownCurrent decline from peak | -56.62% | -81.43% | +24.81% |
Average DrawdownAverage peak-to-trough decline | -38.76% | -52.36% | +13.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 26.23% | 55.16% | -28.93% |
Volatility
BSX vs. BYRN - Volatility Comparison
The current volatility for Boston Scientific Corporation (BSX) is 15.84%, while Byrna Technologies Inc. (BYRN) has a volatility of 17.02%. This indicates that BSX experiences smaller price fluctuations and is considered to be less risky than BYRN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BSX | BYRN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.84% | 17.02% | -1.18% |
Volatility (6M)Calculated over the trailing 6-month period | 32.83% | 59.78% | -26.95% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.77% | 74.16% | -39.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.69% | 73.23% | -47.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.29% | 95.32% | -68.03% |
Dividends
BSX vs. BYRN - Dividend Comparison
Neither BSX nor BYRN has paid dividends to shareholders.
Financials
BSX vs. BYRN - Financials Comparison
This section allows you to compare key financial metrics between Boston Scientific Corporation and Byrna Technologies 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. BYRN - 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%.
BYRN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Byrna Technologies Inc. reported a gross profit of 17.40M and revenue of 29.05M. Therefore, the gross margin over that period was 59.9%.
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%.
BYRN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Byrna Technologies Inc. reported an operating income of 928.00K and revenue of 29.05M, resulting in an operating margin of 3.2%.
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%.
BYRN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Byrna Technologies Inc. reported a net income of 801.00K and revenue of 29.05M, resulting in a net margin of 2.8%.
Frequently Asked Questions
BSX and BYRN have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BYRN has higher volatility (17.02%) compared to BSX (15.84%). In terms of maximum drawdown, BSX dropped -89.15% vs BYRN's -92.51%.
BYRN currently has the higher Sharpe Ratio (-1.08 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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