PSSMX vs. SWSSX
Compare and contrast key facts about Principal SmallCap S&P 600 Index Fund (PSSMX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX).
PSSMX is managed by Principal. It was launched on Dec 6, 2000. SWSSX is a passively managed fund by Charles Schwab that tracks the performance of the Russell 2000 Index. It was launched on May 19, 1997.
Performance
PSSMX vs. SWSSX - Performance Comparison
Loading graphics...
PSSMX vs. SWSSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSSMX Principal SmallCap S&P 600 Index Fund | 0.51% | 5.34% | 16.60% | 15.18% | -16.69% | 25.39% | 10.65% | 21.99% | -9.42% | 12.46% |
SWSSX Schwab Small-Cap Index Fund-Select Shares | -2.49% | 12.88% | 11.57% | 17.07% | -20.43% | 14.77% | 20.12% | 25.63% | -11.19% | 14.76% |
Returns By Period
In the year-to-date period, PSSMX achieves a 0.51% return, which is significantly higher than SWSSX's -2.49% return. Both investments have delivered pretty close results over the past 10 years, with PSSMX having a 9.60% annualized return and SWSSX not far behind at 9.50%.
PSSMX
- 1D
- -0.74%
- 1M
- -6.73%
- YTD
- 0.51%
- 6M
- 2.08%
- 1Y
- 16.53%
- 3Y*
- 11.57%
- 5Y*
- 4.74%
- 10Y*
- 9.60%
SWSSX
- 1D
- -1.45%
- 1M
- -8.18%
- YTD
- -2.49%
- 6M
- -0.36%
- 1Y
- 21.55%
- 3Y*
- 11.83%
- 5Y*
- 3.10%
- 10Y*
- 9.50%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
PSSMX vs. SWSSX - Expense Ratio Comparison
PSSMX has a 0.73% expense ratio, which is higher than SWSSX's 0.04% expense ratio.
Return for Risk
PSSMX vs. SWSSX — Risk / Return Rank
PSSMX
SWSSX
PSSMX vs. SWSSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal SmallCap S&P 600 Index Fund (PSSMX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX). 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.
| PSSMX | SWSSX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.76 | 0.91 | -0.15 |
Sortino ratioReturn per unit of downside risk | 1.22 | 1.40 | -0.19 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.18 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 0.98 | 1.33 | -0.35 |
Martin ratioReturn relative to average drawdown | 3.97 | 5.02 | -1.05 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| PSSMX | SWSSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.76 | 0.91 | -0.15 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.22 | 0.14 | +0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.42 | 0.40 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.39 | 0.33 | +0.05 |
Correlation
The correlation between PSSMX and SWSSX is 0.98, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
PSSMX vs. SWSSX - Dividend Comparison
PSSMX's dividend yield for the trailing twelve months is around 9.93%, more than SWSSX's 1.32% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PSSMX Principal SmallCap S&P 600 Index Fund | 9.93% | 9.98% | 15.91% | 3.75% | 10.45% | 8.23% | 1.67% | 6.56% | 13.08% | 6.03% | 6.15% | 8.07% |
SWSSX Schwab Small-Cap Index Fund-Select Shares | 1.32% | 1.29% | 1.66% | 1.49% | 1.32% | 8.88% | 2.55% | 6.12% | 10.45% | 5.22% | 4.10% | 6.92% |
Drawdowns
PSSMX vs. SWSSX - Drawdown Comparison
The maximum PSSMX drawdown since its inception was -58.43%, roughly equal to the maximum SWSSX drawdown of -60.34%. Use the drawdown chart below to compare losses from any high point for PSSMX and SWSSX.
Loading graphics...
Drawdown Indicators
| PSSMX | SWSSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.43% | -60.34% | +1.91% |
Max Drawdown (1Y)Largest decline over 1 year | -14.85% | -13.90% | -0.95% |
Max Drawdown (5Y)Largest decline over 5 years | -27.01% | -31.93% | +4.92% |
Max Drawdown (10Y)Largest decline over 10 years | -44.85% | -41.81% | -3.04% |
Current DrawdownCurrent decline from peak | -8.40% | -11.00% | +2.60% |
Average DrawdownAverage peak-to-trough decline | -9.58% | -10.78% | +1.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.66% | 3.68% | -0.02% |
Volatility
PSSMX vs. SWSSX - Volatility Comparison
The current volatility for Principal SmallCap S&P 600 Index Fund (PSSMX) is 5.53%, while Schwab Small-Cap Index Fund-Select Shares (SWSSX) has a volatility of 6.59%. This indicates that PSSMX experiences smaller price fluctuations and is considered to be less risky than SWSSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| PSSMX | SWSSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.53% | 6.59% | -1.06% |
Volatility (6M)Calculated over the trailing 6-month period | 12.75% | 14.12% | -1.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.55% | 23.11% | -0.56% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.84% | 22.57% | -0.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.90% | 24.03% | -1.13% |