SHSSX vs. WFSPX
SHSSX (Health Sciences Opportunities Fund Class Institutional) and WFSPX (iShares S&P 500 Index Fund) are both mutual funds - SHSSX is a Health & Biotech Equities fund tracking the Russell 3000 HealthCare Index, while WFSPX is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, SHSSX returned 9.37%/yr vs 15.54%/yr for WFSPX. A 0.76 correlation means they provide meaningful diversification when combined. SHSSX charges 0.84%/yr vs 0.03%/yr for WFSPX.
Performance
SHSSX vs. WFSPX - Performance Comparison
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Returns By Period
In the year-to-date period, SHSSX achieves a -5.37% return, which is significantly lower than WFSPX's 11.69% return. Over the past 10 years, SHSSX has underperformed WFSPX with an annualized return of 9.37%, while WFSPX has yielded a comparatively higher 15.54% annualized return.
SHSSX
- 1D
- -1.67%
- 1M
- 0.03%
- YTD
- -5.37%
- 6M
- -5.86%
- 1Y
- 13.01%
- 3Y*
- 5.98%
- 5Y*
- 4.00%
- 10Y*
- 9.37%
WFSPX
- 1D
- 0.13%
- 1M
- 5.80%
- YTD
- 11.69%
- 6M
- 11.72%
- 1Y
- 28.93%
- 3Y*
- 22.71%
- 5Y*
- 14.24%
- 10Y*
- 15.54%
SHSSX vs. WFSPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SHSSX Health Sciences Opportunities Fund Class Institutional | -5.37% | 16.13% | 4.00% | 3.86% | -5.72% | 12.17% | 19.54% | 25.63% | 8.24% | 25.02% |
WFSPX iShares S&P 500 Index Fund | 11.69% | 17.83% | 24.94% | 26.25% | -18.14% | 28.63% | 18.43% | 31.45% | -4.83% | 21.27% |
Correlation
The correlation between SHSSX and WFSPX is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.43 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.54 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.64 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.70 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2001 | 0.76 |
Over the past year, the correlation between SHSSX and WFSPX has dropped to 0.43 - well below their long-term average of 0.76, suggesting their price drivers have been diverging.
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Return for Risk
SHSSX vs. WFSPX — Risk / Return Rank
SHSSX
WFSPX
SHSSX vs. WFSPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Health Sciences Opportunities Fund Class Institutional (SHSSX) and iShares S&P 500 Index Fund (WFSPX). 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.
| SHSSX | WFSPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.55 | ||
| Sortino ratioReturn per unit of downside risk | -1.93 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.46 | -0.29 |
| Calmar ratioReturn relative to maximum drawdown | 1.35 | 3.35 | -2.00 |
| Martin ratioReturn relative to average drawdown | 3.38 | 15.65 | -12.27 |
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
| SHSSX | WFSPX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.96 | 2.52 | -1.55 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.28 | 0.85 | -0.57 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.57 | 0.87 | -0.30 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.69 | 0.13 | +0.55 |
Drawdowns
SHSSX vs. WFSPX - Drawdown Comparison
The maximum SHSSX drawdown since its inception was -35.40%, smaller than the maximum WFSPX drawdown of -58.21%. Use the drawdown chart below to compare losses from any high point for SHSSX and WFSPX.
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Drawdown Indicators
| SHSSX | WFSPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.40% | -58.21% | +22.81% |
Max Drawdown (1Y)Largest decline over 1 year | -9.83% | -8.90% | -0.93% |
Max Drawdown (3Y)Largest decline over 3 years | -15.95% | -18.74% | +2.79% |
Max Drawdown (5Y)Largest decline over 5 years | -17.90% | -24.51% | +6.61% |
Max Drawdown (10Y)Largest decline over 10 years | -28.34% | -33.74% | +5.40% |
Current DrawdownCurrent decline from peak | -8.10% | 0.00% | -8.10% |
Average DrawdownAverage peak-to-trough decline | -5.98% | -12.77% | +6.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.91% | 1.90% | +2.01% |
Volatility
SHSSX vs. WFSPX - Volatility Comparison
Health Sciences Opportunities Fund Class Institutional (SHSSX) has a higher volatility of 4.16% compared to iShares S&P 500 Index Fund (WFSPX) at 2.82%. This indicates that SHSSX's price experiences larger fluctuations and is considered to be riskier than WFSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SHSSX | WFSPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.16% | 2.82% | +1.34% |
Volatility (6M)Calculated over the trailing 6-month period | 10.40% | 8.97% | +1.43% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.76% | 11.85% | +1.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.37% | 16.88% | -2.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.54% | 18.02% | -1.48% |
SHSSX vs. WFSPX - Expense Ratio Comparison
SHSSX has a 0.84% expense ratio, which is higher than WFSPX's 0.03% expense ratio.
Dividends
SHSSX vs. WFSPX - Dividend Comparison
SHSSX's dividend yield for the trailing twelve months is around 10.47%, more than WFSPX's 1.56% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SHSSX Health Sciences Opportunities Fund Class Institutional | 10.47% | 9.90% | 8.68% | 3.82% | 7.20% | 8.96% | 4.18% | 3.87% | 8.44% | 3.59% | 2.33% | 12.29% |
WFSPX iShares S&P 500 Index Fund | 1.56% | 1.72% | 1.41% | 1.50% | 2.02% | 1.82% | 1.66% | 1.99% | 2.00% | 1.62% | 2.37% | 2.49% |
Frequently Asked Questions
SHSSX and WFSPX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SHSSX has higher volatility (4.16%) compared to WFSPX (2.82%). In terms of maximum drawdown, SHSSX dropped -35.40% vs WFSPX's -58.21%.
WFSPX currently has the higher Sharpe Ratio (2.52 vs 0.96), 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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