BSX vs. GILD
BSX (Boston Scientific Corporation) and GILD (Gilead Sciences, Inc.) are both stocks. Both are in the Healthcare sector — BSX in Medical Devices, GILD in Drug Manufacturers - General. Over the past 10 years, BSX returned 7.78%/yr vs 8.00%/yr for GILD. At a 0.25 correlation, their price movements are largely independent.
Performance
BSX vs. GILD - Performance Comparison
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Returns By Period
In the year-to-date period, BSX achieves a -48.93% return, which is significantly lower than GILD's 4.96% return. Both investments have delivered pretty close results over the past 10 years, with BSX having a 7.78% annualized return and GILD not far ahead at 8.00%.
BSX
- 1D
- 0.31%
- 1M
- -9.70%
- YTD
- -48.93%
- 6M
- -48.10%
- 1Y
- -52.30%
- 3Y*
- -1.71%
- 5Y*
- 2.84%
- 10Y*
- 7.78%
GILD
- 1D
- -0.82%
- 1M
- -2.46%
- YTD
- 4.96%
- 6M
- 7.00%
- 1Y
- 16.94%
- 3Y*
- 21.99%
- 5Y*
- 17.59%
- 10Y*
- 8.00%
BSX vs. GILD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BSX Boston Scientific Corporation | -48.93% | 6.75% | 54.51% | 24.94% | 8.92% | 18.16% | -20.50% | 27.96% | 42.56% | 14.61% |
GILD Gilead Sciences, Inc. | 4.96% | 36.59% | 18.68% | -1.99% | 23.63% | 29.95% | -6.70% | 7.88% | -9.92% | 2.96% |
Correlation
The correlation between BSX and GILD is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.15 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.24 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.28 |
Correlation (All Time) Calculated using the full available price history since May 20, 1992 | 0.25 |
The correlation between BSX and GILD shifts across timeframes, from 0.15 (1 year) to 0.28 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
BSX:
$72.81B
GILD:
$160.64B
BSX:
$2.38
GILD:
$7.35
BSX:
20.49
GILD:
17.43
BSX:
0.46
GILD:
0.04
BSX:
3.53
GILD:
5.40
BSX:
2.81
GILD:
6.83
BSX:
$20.62B
GILD:
$29.74B
BSX:
$14.52B
GILD:
$18.74B
BSX:
$4.76B
GILD:
$12.88B
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Return for Risk
BSX vs. GILD — Risk / Return Rank
BSX
GILD
BSX vs. GILD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Boston Scientific Corporation (BSX) and Gilead Sciences, Inc. (GILD). 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.
| BSX | GILD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.16 | ||
| Sortino ratioReturn per unit of downside risk | -3.40 | ||
| Omega ratioGain probability vs. loss probability | 0.67 | 1.13 | -0.46 |
| Calmar ratioReturn relative to maximum drawdown | -0.94 | 0.96 | -1.90 |
| Martin ratioReturn relative to average drawdown | -2.07 | 2.35 | -4.42 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BSX | GILD | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -1.51 | 0.65 | -2.16 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.11 | 0.74 | -0.62 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.29 | 0.32 | -0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.20 | 0.38 | -0.19 |
Drawdowns
BSX vs. GILD - Drawdown Comparison
The maximum BSX drawdown since its inception was -89.15%, which is greater than GILD's maximum drawdown of -70.83%. Use the drawdown chart below to compare losses from any high point for BSX and GILD.
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Drawdown Indicators
| BSX | GILD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.15% | -70.83% | -18.32% |
Max Drawdown (1Y)Largest decline over 1 year | -55.91% | -17.65% | -38.26% |
Max Drawdown (3Y)Largest decline over 3 years | -55.91% | -26.59% | -29.32% |
Max Drawdown (5Y)Largest decline over 5 years | -55.91% | -26.59% | -29.32% |
Max Drawdown (10Y)Largest decline over 10 years | -55.91% | -30.47% | -25.44% |
Current DrawdownCurrent decline from peak | -54.97% | -17.31% | -37.66% |
Average DrawdownAverage peak-to-trough decline | -38.75% | -22.16% | -16.59% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 25.28% | 7.22% | +18.06% |
Volatility
BSX vs. GILD - Volatility Comparison
Boston Scientific Corporation (BSX) has a higher volatility of 16.42% compared to Gilead Sciences, Inc. (GILD) at 6.75%. This indicates that BSX's price experiences larger fluctuations and is considered to be riskier than GILD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BSX | GILD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 16.42% | 6.75% | +9.67% |
Volatility (6M)Calculated over the trailing 6-month period | 32.93% | 18.45% | +14.48% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.80% | 26.29% | +8.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.67% | 24.03% | +1.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.29% | 25.49% | +1.80% |
Dividends
BSX vs. GILD - Dividend Comparison
BSX has not paid dividends to shareholders, while GILD's dividend yield for the trailing twelve months is around 2.49%.
| 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% |
GILD Gilead Sciences, Inc. | 2.49% | 2.57% | 3.33% | 3.70% | 3.40% | 3.91% | 4.67% | 3.88% | 3.65% | 2.90% | 2.57% | 1.27% |
Financials
BSX vs. GILD - Financials Comparison
This section allows you to compare key financial metrics between Boston Scientific Corporation and Gilead Sciences, 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. GILD - 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%.
GILD - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Gilead Sciences, Inc. reported a gross profit of 79.20M and revenue of 6.96B. Therefore, the gross margin over that period was 1.1%.
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%.
GILD - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Gilead Sciences, Inc. reported an operating income of 2.59B and revenue of 6.96B, resulting in an operating margin of 37.2%.
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%.
GILD - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Gilead Sciences, Inc. reported a net income of 2.02B and revenue of 6.96B, resulting in a net margin of 29.0%.
Frequently Asked Questions
BSX and GILD have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BSX has higher volatility (16.42%) compared to GILD (6.75%). In terms of maximum drawdown, BSX dropped -89.15% vs GILD's -70.83%.
GILD currently has the higher Sharpe Ratio (0.65 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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