BSX vs. SOXX

Last updated Jul 17, 2026

BSX (Boston Scientific Corporation) is a stock, while SOXX (iShares Semiconductor ETF) is Semiconductors fund tracking the NYSE Semiconductor Index. Over the past 10 years, BSX returned 6.59%/yr vs 33.24%/yr for SOXX. At a 0.36 correlation, their price movements are largely independent.

Performance

BSX vs. SOXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Boston Scientific Corporation (BSX) and iShares Semiconductor ETF (SOXX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BSX achieves a -53.20% return, which is significantly lower than SOXX's 76.35% return. Over the past 10 years, BSX has underperformed SOXX with an annualized return of 6.59%, while SOXX has yielded a comparatively higher 33.24% annualized return.

BSX

• 1D: 3.67%
• 1M: -4.90%
• 6M: -50.44%
• YTD: -53.20%
• 1Y: -56.76%
• 3Y*: -5.34%
• 5Y*: 1.17%
• 10Y*: 6.59%

SOXX

• 1D: -4.46%
• 1M: -10.27%
• 6M: 57.49%
• YTD: 76.35%
• 1Y: 117.02%
• 3Y*: 45.18%
• 5Y*: 31.15%
• 10Y*: 33.24%

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

BSX vs. SOXX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BSX Boston Scientific Corporation	-53.20%	6.75%	54.51%	24.94%	8.92%	18.16%	-20.50%	27.96%	42.56%	14.61%
SOXX iShares Semiconductor ETF	76.35%	40.74%	12.92%	67.12%	-35.09%	44.09%	52.72%	62.42%	-6.49%	39.79%

Correlation

The correlation between BSX and SOXX is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.12
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.23
Correlation (10Y) Calculated over the trailing 10-year period	0.33
Correlation (All Time) Calculated using the full available price history since Jul 13, 2001	0.36

The correlation between BSX and SOXX shifts across timeframes, from -0.12 (1 year) to 0.36 (all time), reflecting how their relationship changes across market environments.

Return for Risk

BSX vs. SOXX — Risk / Return Rank

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

BSX

BSX Risk / Return Rank: 2
BSX Sharpe Ratio Rank: 0
BSX Sortino Ratio Rank: 1
BSX Omega Ratio Rank: 1
BSX Calmar Ratio Rank: 5
BSX Martin Ratio Rank: 2

SOXX

SOXX Risk / Return Rank: 91
SOXX Sharpe Ratio Rank: 94
SOXX Sortino Ratio Rank: 83
SOXX Omega Ratio Rank: 86
SOXX Calmar Ratio Rank: 95
SOXX Martin Ratio Rank: 95

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.

BSX vs. SOXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Boston Scientific Corporation (BSX) and iShares Semiconductor ETF (SOXX). 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	SOXX	Difference
Sharpe ratio: Return per unit of total volatility	-1.59	2.78	-4.36
Sortino ratio: Return per unit of downside risk	-2.51	3.00	-5.51
Omega ratio: Gain probability vs. loss probability	0.64	1.41	-0.77
Calmar ratio: Return relative to maximum drawdown	-0.94	6.19	-7.13
Martin ratio: Return relative to average drawdown	-1.81	22.06	-23.86

BSX vs. SOXX - Sharpe Ratio Comparison

The current BSX Sharpe Ratio is -1.59, which is lower than the SOXX Sharpe Ratio of 2.78. The chart below compares the historical Sharpe Ratios of BSX and SOXX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BSX vs. SOXX - Drawdown Comparison

The maximum BSX drawdown since its inception was -89.15%, which is greater than SOXX's maximum drawdown of -70.21%. Use the drawdown chart below to compare losses from any high point for BSX and SOXX.

Drawdown Indicators

	BSX	SOXX	Difference
Max Drawdown Largest peak-to-trough decline	-89.15%	-70.21%	-18.94%
Max Drawdown (1Y) Largest decline over 1 year	-60.58%	-19.01%	-41.57%
Max Drawdown (3Y) Largest decline over 3 years	-60.58%	-41.36%	-19.22%
Max Drawdown (5Y) Largest decline over 5 years	-60.58%	-45.75%	-14.83%
Max Drawdown (10Y) Largest decline over 10 years	-60.58%	-45.75%	-14.83%
Current Drawdown Current decline from peak	-58.74%	-19.01%	-39.73%
Average Drawdown Average peak-to-trough decline	-38.81%	-19.92%	-18.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	31.45%	5.32%	+26.13%

Volatility

BSX vs. SOXX - Volatility Comparison

The current volatility for Boston Scientific Corporation (BSX) is 10.63%, while iShares Semiconductor ETF (SOXX) has a volatility of 20.64%. This indicates that BSX experiences smaller price fluctuations and is considered to be less risky than SOXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BSX	SOXX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.63%	20.64%	-10.01%
Volatility (6M) Calculated over the trailing 6-month period	33.98%	36.86%	-2.88%
Volatility (1Y) Calculated over the trailing 1-year period	35.86%	42.42%	-6.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.05%	37.83%	-11.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.43%	34.30%	-6.87%

Dividends

BSX vs. SOXX - Dividend Comparison

BSX has not paid dividends to shareholders, while SOXX's dividend yield for the trailing twelve months is around 0.28%.

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%
SOXX iShares Semiconductor ETF	0.28%	0.57%	0.67%	0.78%	1.26%	0.64%	0.81%	1.23%	1.37%	0.90%	1.08%	1.29%

Frequently Asked Questions

Can I hold both BSX and SOXX in my portfolio?

BSX and SOXX have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BSX or SOXX?

SOXX has higher volatility (20.64%) compared to BSX (10.63%). In terms of maximum drawdown, BSX dropped -89.15% vs SOXX's -70.21%.

Which has better risk-adjusted returns?

SOXX currently has the higher Sharpe Ratio (2.77 vs -1.59), 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.