IIRSX vs. BOSOX
Compare and contrast key facts about Voya Russell Small Cap Index Portfolio (IIRSX) and Boston Trust Small Cap Fund (BOSOX).
IIRSX is managed by Voya. It was launched on Mar 10, 2008. BOSOX is managed by Boston Trust Walden.
Performance
IIRSX vs. BOSOX - Performance Comparison
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IIRSX vs. BOSOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IIRSX Voya Russell Small Cap Index Portfolio | -2.53% | 12.84% | 11.14% | 16.61% | -20.58% | 14.32% | 19.15% | 24.63% | -11.26% | 14.32% |
BOSOX Boston Trust Small Cap Fund | -4.10% | -4.04% | 12.52% | 10.09% | -9.05% | 28.10% | 8.27% | 38.35% | -6.01% | 12.24% |
Returns By Period
In the year-to-date period, IIRSX achieves a -2.53% return, which is significantly higher than BOSOX's -4.10% return. Both investments have delivered pretty close results over the past 10 years, with IIRSX having a 9.08% annualized return and BOSOX not far ahead at 9.28%.
IIRSX
- 1D
- -1.46%
- 1M
- -8.24%
- YTD
- -2.53%
- 6M
- -0.44%
- 1Y
- 21.67%
- 3Y*
- 11.55%
- 5Y*
- 2.81%
- 10Y*
- 9.08%
BOSOX
- 1D
- -0.25%
- 1M
- -8.25%
- YTD
- -4.10%
- 6M
- -4.75%
- 1Y
- -4.04%
- 3Y*
- 3.34%
- 5Y*
- 3.57%
- 10Y*
- 9.28%
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IIRSX vs. BOSOX - Expense Ratio Comparison
IIRSX has a 0.45% expense ratio, which is lower than BOSOX's 1.00% expense ratio.
Return for Risk
IIRSX vs. BOSOX — Risk / Return Rank
IIRSX
BOSOX
IIRSX vs. BOSOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Voya Russell Small Cap Index Portfolio (IIRSX) and Boston Trust Small Cap Fund (BOSOX). 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.
| IIRSX | BOSOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.86 | -0.13 | +0.99 |
Sortino ratioReturn per unit of downside risk | 1.35 | -0.05 | +1.40 |
Omega ratioGain probability vs. loss probability | 1.17 | 0.99 | +0.18 |
Calmar ratioReturn relative to maximum drawdown | 0.31 | -0.33 | +0.64 |
Martin ratioReturn relative to average drawdown | 1.02 | -1.03 | +2.04 |
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
| IIRSX | BOSOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.86 | -0.13 | +0.99 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.13 | 0.20 | -0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.39 | 0.48 | -0.09 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.24 | 0.41 | -0.17 |
Correlation
The correlation between IIRSX and BOSOX is 0.85, 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
IIRSX vs. BOSOX - Dividend Comparison
IIRSX's dividend yield for the trailing twelve months is around 12.62%, more than BOSOX's 4.60% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IIRSX Voya Russell Small Cap Index Portfolio | 12.62% | 12.31% | 7.55% | 5.71% | 11.02% | 0.61% | 6.29% | 12.33% | 8.34% | 7.95% | 12.75% | 11.26% |
BOSOX Boston Trust Small Cap Fund | 4.60% | 4.41% | 6.52% | 0.78% | 5.09% | 8.93% | 2.56% | 12.46% | 16.19% | 9.13% | 3.14% | 18.92% |
Drawdowns
IIRSX vs. BOSOX - Drawdown Comparison
The maximum IIRSX drawdown since its inception was -63.18%, which is greater than BOSOX's maximum drawdown of -51.32%. Use the drawdown chart below to compare losses from any high point for IIRSX and BOSOX.
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Drawdown Indicators
| IIRSX | BOSOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -63.18% | -51.32% | -11.86% |
Max Drawdown (1Y)Largest decline over 1 year | -14.22% | -11.89% | -2.33% |
Max Drawdown (5Y)Largest decline over 5 years | -32.01% | -22.36% | -9.65% |
Max Drawdown (10Y)Largest decline over 10 years | -42.32% | -36.79% | -5.53% |
Current DrawdownCurrent decline from peak | -11.08% | -16.07% | +4.99% |
Average DrawdownAverage peak-to-trough decline | -11.50% | -7.26% | -4.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.36% | 3.82% | +3.54% |
Volatility
IIRSX vs. BOSOX - Volatility Comparison
Voya Russell Small Cap Index Portfolio (IIRSX) has a higher volatility of 6.67% compared to Boston Trust Small Cap Fund (BOSOX) at 4.10%. This indicates that IIRSX's price experiences larger fluctuations and is considered to be riskier than BOSOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IIRSX | BOSOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.67% | 4.10% | +2.57% |
Volatility (6M)Calculated over the trailing 6-month period | 13.88% | 10.48% | +3.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.31% | 18.96% | +6.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.07% | 17.82% | +5.25% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.65% | 19.56% | +4.09% |