GILD vs. BSX
GILD (Gilead Sciences, Inc.) and BSX (Boston Scientific Corporation) are both stocks. Both are in the Healthcare sector — GILD in Drug Manufacturers - General, BSX in Medical Devices. Over the past 10 years, GILD returned 8.00%/yr vs 7.78%/yr for BSX. At a 0.25 correlation, their price movements are largely independent.
Performance
GILD vs. BSX - Performance Comparison
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Returns By Period
In the year-to-date period, GILD achieves a 4.96% return, which is significantly higher than BSX's -48.93% return. Both investments have delivered pretty close results over the past 10 years, with GILD having a 8.00% annualized return and BSX not far behind at 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
- 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 vs. BSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GILD Gilead Sciences, Inc. | 4.96% | 36.59% | 18.68% | -1.99% | 23.63% | 29.95% | -6.70% | 7.88% | -9.92% | 2.96% |
BSX Boston Scientific Corporation | -48.93% | 6.75% | 54.51% | 24.94% | 8.92% | 18.16% | -20.50% | 27.96% | 42.56% | 14.61% |
Correlation
The correlation between GILD and BSX 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 GILD and BSX shifts across timeframes, from 0.15 (1 year) to 0.28 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
GILD:
$160.64B
BSX:
$72.81B
GILD:
$7.35
BSX:
$2.38
GILD:
17.43
BSX:
20.49
GILD:
0.04
BSX:
0.46
GILD:
5.40
BSX:
3.53
GILD:
6.83
BSX:
2.81
GILD:
$29.74B
BSX:
$20.62B
GILD:
$18.74B
BSX:
$14.52B
GILD:
$12.88B
BSX:
$4.76B
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Return for Risk
GILD vs. BSX — Risk / Return Rank
GILD
BSX
GILD vs. BSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Gilead Sciences, Inc. (GILD) and Boston Scientific Corporation (BSX). 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.
| GILD | BSX | 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 | 1.13 | 0.67 | +0.46 |
| Calmar ratioReturn relative to maximum drawdown | 0.96 | -0.94 | +1.90 |
| Martin ratioReturn relative to average drawdown | 2.35 | -2.07 | +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
| GILD | BSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.65 | -1.51 | +2.16 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.74 | 0.11 | +0.62 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.32 | 0.29 | +0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.38 | 0.20 | +0.19 |
Drawdowns
GILD vs. BSX - Drawdown Comparison
The maximum GILD drawdown since its inception was -70.83%, smaller than the maximum BSX drawdown of -89.15%. Use the drawdown chart below to compare losses from any high point for GILD and BSX.
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Drawdown Indicators
| GILD | BSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -70.83% | -89.15% | +18.32% |
Max Drawdown (1Y)Largest decline over 1 year | -17.65% | -55.91% | +38.26% |
Max Drawdown (3Y)Largest decline over 3 years | -26.59% | -55.91% | +29.32% |
Max Drawdown (5Y)Largest decline over 5 years | -26.59% | -55.91% | +29.32% |
Max Drawdown (10Y)Largest decline over 10 years | -30.47% | -55.91% | +25.44% |
Current DrawdownCurrent decline from peak | -17.31% | -54.97% | +37.66% |
Average DrawdownAverage peak-to-trough decline | -22.16% | -38.75% | +16.59% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.22% | 25.28% | -18.06% |
Volatility
GILD vs. BSX - Volatility Comparison
The current volatility for Gilead Sciences, Inc. (GILD) is 6.75%, while Boston Scientific Corporation (BSX) has a volatility of 16.42%. This indicates that GILD experiences smaller price fluctuations and is considered to be less risky than BSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GILD | BSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.75% | 16.42% | -9.67% |
Volatility (6M)Calculated over the trailing 6-month period | 18.45% | 32.93% | -14.48% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.29% | 34.80% | -8.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.03% | 25.67% | -1.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.49% | 27.29% | -1.80% |
Dividends
GILD vs. BSX - Dividend Comparison
GILD's dividend yield for the trailing twelve months is around 2.49%, while BSX has not paid dividends to shareholders.
| 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
GILD vs. BSX - Financials Comparison
This section allows you to compare key financial metrics between Gilead Sciences, Inc. and Boston Scientific Corporation. 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
GILD vs. BSX - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
GILD and BSX 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, GILD dropped -70.83% vs BSX's -89.15%.
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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