PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
IYH vs. VOO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IYH vs. VOO

Last updated Jun 5, 2026

IYH (iShares U.S. Healthcare ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - IYH is a Health & Biotech Equities fund tracking the Dow Jones U.S. Health Care Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, IYH returned 9.20%/yr vs 15.55%/yr for VOO. A 0.74 correlation means they provide meaningful diversification when combined. IYH charges 0.43%/yr vs 0.03%/yr for VOO.

Performance

IYH vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Healthcare ETF (IYH) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

In the year-to-date period, IYH achieves a -1.42% return, which is significantly lower than VOO's 11.34% return. Over the past 10 years, IYH has underperformed VOO with an annualized return of 9.20%, while VOO has yielded a comparatively higher 15.55% annualized return.

IYH

1D
2.89%
1M
4.56%
YTD
-1.42%
6M
-1.04%
1Y
16.06%
3Y*
6.36%
5Y*
5.19%
10Y*
9.20%

VOO

1D
0.39%
1M
4.62%
YTD
11.34%
6M
11.27%
1Y
28.62%
3Y*
22.68%
5Y*
13.98%
10Y*
15.55%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IYH vs. VOO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IYH
iShares U.S. Healthcare ETF		-1.42%13.16%2.99%2.14%-4.46%23.41%15.56%20.80%5.80%22.27%
VOO
Vanguard S&P 500 ETF		11.34%17.82%24.98%26.32%-18.17%28.79%18.32%31.37%-4.50%21.77%

Correlation

The correlation between IYH and VOO is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.38

Correlation (3Y)
Calculated over the trailing 3-year period

0.50

Correlation (5Y)
Calculated over the trailing 5-year period

0.61

Correlation (10Y)
Calculated over the trailing 10-year period

0.68

Correlation (All Time)
Calculated using the full available price history since Sep 10, 2010

0.74

Over the past year, the correlation between IYH and VOO has dropped to 0.38 - well below their long-term average of 0.74, suggesting their price drivers have been diverging.

IYH vs. VOO - Sectors Allocation Comparison

Sectors
IYH
VOO

Healthcare

100.0%
8.5%

Basic Materials

-

1.8%

Communication Services

-

11.3%

Consumer Cyclical

-

10.2%

Consumer Defensive

-

4.9%

Energy

-

3.5%

Financial Services

-

11.6%

Industrials

-

8.3%

Real Estate

-

1.9%

Technology

-

35.7%

Utilities

-

2.4%

Healthcare

IYH
100.0%
VOO
8.5%

Basic Materials

IYH

-

VOO
1.8%

Communication Services

IYH

-

VOO
11.3%

Consumer Cyclical

IYH

-

VOO
10.2%

Consumer Defensive

IYH

-

VOO
4.9%

Energy

IYH

-

VOO
3.5%

Financial Services

IYH

-

VOO
11.6%

Industrials

IYH

-

VOO
8.3%

Real Estate

IYH

-

VOO
1.9%

Technology

IYH

-

VOO
35.7%

Utilities

IYH

-

VOO
2.4%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares U.S. Healthcare ETF

Vanguard S&P 500 ETF

Often compared with IYH:
IYH vs. VHTIYH vs. XLVIYH vs. SPYIYH vs. IYEIYH vs. IFRAIYH vs. BMEDIYH vs. IBB
Often compared with VOO:
VOO vs. VTIVOO vs. QQQVOO vs. SCHDVOO vs. VTVOO vs. SPYVOO vs. FXAIXVOO vs. IVV

Return for Risk

IYH vs. VOO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IYH
IYH Risk / Return Rank: 3030
Overall Rank
IYH Sharpe Ratio Rank: 3131
Sharpe Ratio Rank
IYH Sortino Ratio Rank: 3333
Sortino Ratio Rank
IYH Omega Ratio Rank: 2929
Omega Ratio Rank
IYH Calmar Ratio Rank: 3232
Calmar Ratio Rank
IYH Martin Ratio Rank: 2727
Martin Ratio Rank
VOO
VOO Risk / Return Rank: 7474
Overall Rank
VOO Sharpe Ratio Rank: 7676
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 7575
Sortino Ratio Rank
VOO Omega Ratio Rank: 7575
Omega Ratio Rank
VOO Calmar Ratio Rank: 6666
Calmar Ratio Rank
VOO Martin Ratio Rank: 7878
Martin Ratio Rank
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.

IYH vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Healthcare ETF (IYH) and Vanguard S&P 500 ETF (VOO). 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.

IYHVOODifference
Sharpe ratioReturn per unit of total volatility
1.07
2.44

-1.36

Sortino ratioReturn per unit of downside risk
1.71
3.31

-1.60

Omega ratioGain probability vs. loss probability

1.19

1.44

-0.25

Calmar ratioReturn relative to maximum drawdown

1.52

3.23

-1.71

Martin ratioReturn relative to average drawdown

3.64

15.03

-11.39

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IYH vs. VOO - Sharpe Ratio Comparison

The current IYH Sharpe Ratio is 1.07, which is lower than the VOO Sharpe Ratio of 2.44. The chart below compares the historical Sharpe Ratios of IYH and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Loading charts...

Sharpe Ratios by Period

IYHVOODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.07

2.44

-1.36

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.35

0.84

-0.49

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.55

0.87

-0.32

Sharpe Ratio (All Time)

Calculated using the full available price history

0.43

0.89

-0.46

Drawdowns

IYH vs. VOO - Drawdown Comparison

The maximum IYH drawdown since its inception was -43.12%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IYH and VOO.

Loading charts...

Drawdown Indicators

IYHVOODifference

Max Drawdown

Largest peak-to-trough decline

-43.12%

-33.99%

-9.13%

Max Drawdown (1Y)

Largest decline over 1 year

-10.64%

-8.90%

-1.74%

Max Drawdown (3Y)

Largest decline over 3 years

-17.91%

-18.69%

+0.78%

Max Drawdown (5Y)

Largest decline over 5 years

-17.91%

-24.52%

+6.61%

Max Drawdown (10Y)

Largest decline over 10 years

-28.40%

-33.99%

+5.59%

Current Drawdown

Current decline from peak

-4.68%

-0.32%

-4.36%

Average Drawdown

Average peak-to-trough decline

-8.96%

-3.69%

-5.27%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.42%

1.91%

+2.51%

Volatility

IYH vs. VOO - Volatility Comparison

iShares U.S. Healthcare ETF (IYH) has a higher volatility of 5.06% compared to Vanguard S&P 500 ETF (VOO) at 2.78%. This indicates that IYH's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Loading charts...

Volatility by Period

IYHVOODifference

Volatility (1M)

Calculated over the trailing 1-month period

5.06%

2.78%

+2.28%

Volatility (6M)

Calculated over the trailing 6-month period

10.70%

8.90%

+1.80%

Volatility (1Y)

Calculated over the trailing 1-year period

15.01%

11.80%

+3.21%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

14.97%

16.81%

-1.84%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

16.74%

18.00%

-1.26%

IYH vs. VOO - Expense Ratio Comparison

IYH has a 0.43% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

IYH vs. VOO - Dividend Comparison

IYH's dividend yield for the trailing twelve months is around 1.26%, more than VOO's 1.02% yield.

PositionTTM20252024202320222021202020192018201720162015
IYH
iShares U.S. Healthcare ETF		1.26%1.19%1.25%1.18%1.10%0.94%1.16%1.14%1.95%1.10%1.29%2.02%
VOO
Vanguard S&P 500 ETF		1.02%1.13%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%

Frequently Asked Questions

IYH and VOO have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

IYH has higher volatility (5.06%) compared to VOO (2.78%). In terms of maximum drawdown, IYH dropped -43.12% vs VOO's -33.99%.

On 10-year performance, VOO leads with 15.55% vs 9.20% for IYH. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 2.78%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, VOO has performed better with a 15.55% return vs 9.20%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

VOO is cheaper with a 0.03% expense ratio, compared with 0.43% for IYH.

IYH has the higher dividend yield at 1.26%, compared with 1.02% for VOO.

IYH is categorized as Health & Biotech Equities, while VOO is S&P 500. IYH tracks Dow Jones U.S. Health Care Index, while VOO tracks S&P 500 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.43% for IYH and 0.03% for VOO.

VOO currently has the higher Sharpe Ratio (2.44 vs 1.07), 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.

Portfolio Optimizer

Find the right allocation for IYH and VOO

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer