IYH vs. IBB
IYH (iShares U.S. Healthcare ETF) and IBB (iShares Nasdaq Biotechnology ETF) are both Health & Biotech Equities funds from iShares - IYH tracks the Dow Jones U.S. Health Care Index while IBB tracks the NASDAQ Biotechnology Index. Both are passively managed. Over the past 10 years, IYH returned 9.59%/yr vs 8.14%/yr for IBB. A 0.78 correlation means they provide meaningful diversification when combined. IYH charges 0.43%/yr vs 0.47%/yr for IBB.
Performance
IYH vs. IBB - Performance Comparison
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Returns By Period
In the year-to-date period, IYH achieves a -2.40% return, which is significantly lower than IBB's 4.97% return. Over the past 10 years, IYH has outperformed IBB with an annualized return of 9.59%, while IBB has yielded a comparatively lower 8.14% annualized return.
IYH
- 1D
- 0.80%
- 1M
- 0.57%
- YTD
- -2.40%
- 6M
- -2.92%
- 1Y
- 15.59%
- 3Y*
- 5.60%
- 5Y*
- 4.42%
- 10Y*
- 9.59%
IBB
- 1D
- 1.94%
- 1M
- 4.88%
- YTD
- 4.97%
- 6M
- 2.54%
- 1Y
- 41.38%
- 3Y*
- 11.58%
- 5Y*
- 2.25%
- 10Y*
- 8.14%
IYH vs. IBB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IYH iShares U.S. Healthcare ETF | -2.40% | 13.16% | 2.99% | 2.14% | -4.46% | 23.41% | 15.56% | 20.80% | 5.80% | 22.27% |
IBB iShares Nasdaq Biotechnology ETF | 4.97% | 27.98% | -2.41% | 3.76% | -13.69% | 0.95% | 26.01% | 25.42% | -9.53% | 21.08% |
Correlation
The correlation between IYH and IBB is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.74 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.73 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.74 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.77 |
Correlation (All Time) Calculated using the full available price history since Feb 12, 2001 | 0.78 |
The correlation between IYH and IBB has been stable across timeframes, ranging from 0.73 to 0.78 - a consistent structural relationship.
IYH vs. IBB - Sectors Allocation Comparison
Sectors
IYH
IBB
Healthcare
Basic Materials
-
-
Communication Services
-
-
Consumer Cyclical
-
-
Consumer Defensive
-
-
Energy
-
-
Financial Services
-
-
Industrials
-
-
Real Estate
-
-
Technology
-
-
Utilities
-
-
Healthcare
IYH
IBB
Basic Materials
IYH
-
IBB
-
Communication Services
IYH
-
IBB
-
Consumer Cyclical
IYH
-
IBB
-
Consumer Defensive
IYH
-
IBB
-
Energy
IYH
-
IBB
-
Financial Services
IYH
-
IBB
-
Industrials
IYH
-
IBB
-
Real Estate
IYH
-
IBB
-
Technology
IYH
-
IBB
-
Utilities
IYH
-
IBB
-
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Return for Risk
IYH vs. IBB — Risk / Return Rank
IYH
IBB
IYH vs. IBB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Healthcare ETF (IYH) and iShares Nasdaq Biotechnology ETF (IBB). 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.
| IYH | IBB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.01 | ||
| Sortino ratioReturn per unit of downside risk | -1.22 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.34 | -0.16 |
| Calmar ratioReturn relative to maximum drawdown | 1.47 | 4.32 | -2.84 |
| Martin ratioReturn relative to average drawdown | 3.47 | 13.28 | -9.81 |
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Drawdowns
IYH vs. IBB - Drawdown Comparison
The maximum IYH drawdown since its inception was -43.12%, smaller than the maximum IBB drawdown of -62.85%. Use the drawdown chart below to compare losses from any high point for IYH and IBB.
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Drawdown Indicators
| IYH | IBB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.12% | -62.85% | +19.73% |
Max Drawdown (1Y)Largest decline over 1 year | -10.64% | -9.63% | -1.01% |
Max Drawdown (3Y)Largest decline over 3 years | -17.91% | -24.85% | +6.94% |
Max Drawdown (5Y)Largest decline over 5 years | -17.91% | -39.82% | +21.91% |
Max Drawdown (10Y)Largest decline over 10 years | -28.40% | -39.82% | +11.42% |
Current DrawdownCurrent decline from peak | -5.63% | -0.27% | -5.36% |
Average DrawdownAverage peak-to-trough decline | -8.95% | -21.15% | +12.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.51% | 3.12% | +1.39% |
Volatility
IYH vs. IBB - Volatility Comparison
The current volatility for iShares U.S. Healthcare ETF (IYH) is 5.02%, while iShares Nasdaq Biotechnology ETF (IBB) has a volatility of 6.96%. This indicates that IYH experiences smaller price fluctuations and is considered to be less risky than IBB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IYH | IBB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.02% | 6.96% | -1.94% |
Volatility (6M)Calculated over the trailing 6-month period | 10.60% | 15.99% | -5.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.10% | 20.37% | -5.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.97% | 22.03% | -7.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.75% | 23.22% | -6.47% |
IYH vs. IBB - Expense Ratio Comparison
IYH has a 0.43% expense ratio, which is lower than IBB's 0.47% expense ratio.
Dividends
IYH vs. IBB - Dividend Comparison
IYH's dividend yield for the trailing twelve months is around 1.27%, more than IBB's 0.23% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBB iShares Nasdaq Biotechnology ETF | 0.23% | 0.23% | 0.29% | 0.26% | 0.31% | 0.21% | 0.21% | 0.33% | 0.20% | 0.30% | 0.19% | 0.03% |
IYH iShares U.S. Healthcare ETF | 1.27% | 1.19% | 1.25% | 1.18% | 1.10% | 0.94% | 1.16% | 1.14% | 1.95% | 1.10% | 1.29% | 2.02% |
Frequently Asked Questions
IYH and IBB have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBB has higher volatility (6.96%) compared to IYH (5.02%). In terms of maximum drawdown, IYH dropped -43.12% vs IBB's -62.85%.
On 10-year performance, IYH leads with 9.59% vs 8.14% for IBB. On fees, IYH is cheaper at 0.43% per year. On volatility, IYH has been the lower-risk option at 5.02%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IYH has performed better with a 9.59% return vs 8.14%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IYH is cheaper with a 0.43% expense ratio, compared with 0.47% for IBB.
IYH has the higher dividend yield at 1.27%, compared with 0.23% for IBB.
IYH tracks Dow Jones U.S. Health Care Index, while IBB tracks NASDAQ Biotechnology Index. Their fees differ too: 0.43% for IYH and 0.47% for IBB.
IBB currently has the higher Sharpe Ratio (2.05 vs 1.04), 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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