BSX vs. IHI
BSX (Boston Scientific Corporation) is a stock, while IHI (iShares U.S. Medical Devices ETF) is Health & Biotech Equities fund tracking the Dow Jones U.S. Select Medical Equipment Index. Over the past 10 years, BSX returned 7.21%/yr vs 8.87%/yr for IHI. Their 0.67 correlation means they have sometimes moved together and sometimes differently.
Performance
BSX vs. IHI - Performance Comparison
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Returns By Period
In the year-to-date period, BSX achieves a -49.21% return, which is significantly lower than IHI's -12.58% return. Over the past 10 years, BSX has underperformed IHI with an annualized return of 7.21%, while IHI has yielded a comparatively higher 8.87% annualized return.
BSX
- 1D
- 3.64%
- 1M
- 7.29%
- 6M
- -47.28%
- YTD
- -49.21%
- 1Y
- -54.06%
- 3Y*
- -1.53%
- 5Y*
- 1.82%
- 10Y*
- 7.21%
- ALL TIME*
- 7.37%
IHI
- 1D
- 3.24%
- 1M
- 4.49%
- 6M
- -8.90%
- YTD
- -12.58%
- 1Y
- -8.74%
- 3Y*
- 0.55%
- 5Y*
- -2.67%
- 10Y*
- 8.87%
- ALL TIME*
- 10.19%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.07B | $853.65M | $1.01B | |
| $149.25M | $165.21M | $149.27M |
BSX vs. IHI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BSX Boston Scientific Corporation | -49.21% | 6.75% | 54.51% | 24.94% | 8.92% | 18.16% | -20.50% | 27.96% | 42.56% | 14.61% |
IHI iShares U.S. Medical Devices ETF | -12.58% | 6.88% | 8.62% | 3.24% | -19.80% | 21.03% | 24.17% | 32.75% | 15.45% | 30.81% |
Correlation
The correlation between BSX and IHI is 0.60, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.60 |
Correlation (3Y) Balances recent behavior with more history. | 0.62 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.66 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.70 |
Correlation (All Time) Calculated using the full available price history since May 5, 2006 | 0.67 |
The correlation between BSX and IHI has been stable across timeframes, ranging from 0.60 to 0.70 - a consistent structural relationship.
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Return for Risk
BSX vs. IHI — Risk / Return Rank
BSX
IHI
BSX vs. IHI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Boston Scientific Corporation (BSX) and iShares U.S. Medical Devices ETF (IHI). 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 | IHI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.07 | ||
| Sortino ratioReturn per unit of downside risk | -1.80 | ||
| Omega ratioGain probability vs. loss probability | 0.67 | 0.94 | -0.27 |
| Calmar ratioReturn relative to maximum drawdown | -0.89 | -0.34 | -0.56 |
| Martin ratioReturn relative to average drawdown | -1.59 | -0.66 | -0.94 |
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Drawdowns
BSX vs. IHI - Drawdown Comparison
The maximum BSX drawdown since its inception was -89.15%, which is greater than IHI's maximum drawdown of -49.65%. Use the drawdown chart below to compare losses from any high point for BSX and IHI.
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Drawdown Indicators
| BSX | IHI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.15% | -49.65% | -39.50% |
Max Drawdown (1Y)Largest decline over 1 year | -60.58% | -26.11% | -34.47% |
Max Drawdown (3Y)Largest decline over 3 years | -60.58% | -26.64% | -33.94% |
Max Drawdown (5Y)Largest decline over 5 years | -60.58% | -33.12% | -27.46% |
Max Drawdown (10Y)Largest decline over 10 years | -60.58% | -33.25% | -27.33% |
Current DrawdownCurrent decline from peak | -55.22% | -17.45% | -37.77% |
Average DrawdownAverage peak-to-trough decline | -38.84% | -8.43% | -30.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 33.93% | 13.30% | +20.63% |
Volatility
BSX vs. IHI - Volatility Comparison
The current volatility for Boston Scientific Corporation (BSX) is 8.67%, while iShares U.S. Medical Devices ETF (IHI) has a volatility of 9.39%. This indicates that BSX experiences smaller price fluctuations and is considered to be less risky than IHI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BSX | IHI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.67% | 9.39% | -0.72% |
Volatility (6M)Calculated over the trailing 6-month period | 34.00% | 16.87% | +17.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.05% | 20.02% | +16.03% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.04% | 19.61% | +6.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.46% | 20.05% | +7.41% |
Dividends
BSX vs. IHI - Dividend Comparison
BSX has not paid dividends to shareholders, while IHI's dividend yield for the trailing twelve months is around 0.45%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSX Boston Scientific Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IHI iShares U.S. Medical Devices ETF | 0.45% | 0.34% | 0.46% | 0.53% | 0.45% | 0.25% | 0.25% | 0.33% | 0.26% | 0.37% | 0.55% | 1.28% |
Frequently Asked Questions
BSX and IHI have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IHI has higher volatility (9.39%) compared to BSX (8.67%). In terms of maximum drawdown, BSX dropped -89.15% vs IHI's -49.65%.
IHI currently has the higher Sharpe Ratio (-0.44 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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