TRMSX vs. SSMHX
Compare and contrast key facts about T. Rowe Price Mid-Cap Index Fund (TRMSX) and State Street Small/Mid Cap Equity Index Portfolio (SSMHX).
TRMSX is managed by T. Rowe Price. It was launched on Dec 8, 2015. SSMHX is managed by State Street. It was launched on Aug 11, 2015.
Performance
TRMSX vs. SSMHX - Performance Comparison
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TRMSX vs. SSMHX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
TRMSX T. Rowe Price Mid-Cap Index Fund | -5.66% | 12.61% | 19.98% | 29.90% | -28.56% | 7.68% |
SSMHX State Street Small/Mid Cap Equity Index Portfolio | -4.45% | 12.90% | 10.73% | 25.21% | -25.43% | 6.90% |
Returns By Period
In the year-to-date period, TRMSX achieves a -5.66% return, which is significantly lower than SSMHX's -4.45% return.
TRMSX
- 1D
- -0.62%
- 1M
- -7.91%
- YTD
- -5.66%
- 6M
- -6.18%
- 1Y
- 15.19%
- 3Y*
- 15.33%
- 5Y*
- —
- 10Y*
- —
SSMHX
- 1D
- -0.92%
- 1M
- -8.01%
- YTD
- -4.45%
- 6M
- -3.94%
- 1Y
- 17.75%
- 3Y*
- 12.19%
- 5Y*
- 3.29%
- 10Y*
- 10.38%
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TRMSX vs. SSMHX - Expense Ratio Comparison
TRMSX has a 0.14% expense ratio, which is higher than SSMHX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
TRMSX vs. SSMHX — Risk / Return Rank
TRMSX
SSMHX
TRMSX vs. SSMHX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Mid-Cap Index Fund (TRMSX) and State Street Small/Mid Cap Equity Index Portfolio (SSMHX). 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.
| TRMSX | SSMHX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.60 | 0.78 | -0.17 |
Sortino ratioReturn per unit of downside risk | 1.03 | 1.23 | -0.20 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.17 | -0.03 |
Calmar ratioReturn relative to maximum drawdown | -0.04 | 1.02 | -1.06 |
Martin ratioReturn relative to average drawdown | -0.14 | 4.33 | -4.47 |
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
| TRMSX | SSMHX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.60 | 0.78 | -0.17 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.15 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.47 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.23 | 0.40 | -0.17 |
Correlation
The correlation between TRMSX and SSMHX is 0.93, 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
TRMSX vs. SSMHX - Dividend Comparison
TRMSX's dividend yield for the trailing twelve months is around 6.87%, less than SSMHX's 7.46% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TRMSX T. Rowe Price Mid-Cap Index Fund | 6.87% | 6.49% | 1.98% | 0.86% | 1.92% | 4.01% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SSMHX State Street Small/Mid Cap Equity Index Portfolio | 7.46% | 7.12% | 0.00% | 1.56% | 2.31% | 16.30% | 2.91% | 3.65% | 6.43% | 4.01% | 1.71% | 0.73% |
Drawdowns
TRMSX vs. SSMHX - Drawdown Comparison
The maximum TRMSX drawdown since its inception was -37.34%, smaller than the maximum SSMHX drawdown of -41.61%. Use the drawdown chart below to compare losses from any high point for TRMSX and SSMHX.
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Drawdown Indicators
| TRMSX | SSMHX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -37.34% | -41.61% | +4.27% |
Max Drawdown (1Y)Largest decline over 1 year | -14.85% | -14.48% | -0.37% |
Max Drawdown (5Y)Largest decline over 5 years | — | -34.84% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -41.61% | — |
Current DrawdownCurrent decline from peak | -9.51% | -10.03% | +0.52% |
Average DrawdownAverage peak-to-trough decline | -14.34% | -9.27% | -5.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.30% | 3.41% | +3.89% |
Volatility
TRMSX vs. SSMHX - Volatility Comparison
The current volatility for T. Rowe Price Mid-Cap Index Fund (TRMSX) is 5.65%, while State Street Small/Mid Cap Equity Index Portfolio (SSMHX) has a volatility of 5.96%. This indicates that TRMSX experiences smaller price fluctuations and is considered to be less risky than SSMHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TRMSX | SSMHX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.65% | 5.96% | -0.31% |
Volatility (6M)Calculated over the trailing 6-month period | 12.96% | 12.78% | +0.18% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.14% | 22.45% | +2.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.12% | 22.38% | +0.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.12% | 22.33% | +0.79% |