DIAMX vs. BPIRX
Compare and contrast key facts about Diamond Hill Long-Short Fund (DIAMX) and Boston Partners Long/Short Research Fund (BPIRX).
DIAMX is managed by Diamond Hill. It was launched on Jun 29, 2000. BPIRX is managed by Boston Partners. It was launched on Sep 29, 2010.
Performance
DIAMX vs. BPIRX - Performance Comparison
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DIAMX vs. BPIRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DIAMX Diamond Hill Long-Short Fund | -6.15% | 18.76% | 9.93% | 12.14% | -8.75% | 19.04% | -0.56% | 22.80% | -7.32% | 5.65% |
BPIRX Boston Partners Long/Short Research Fund | -2.07% | 14.90% | 13.49% | 4.75% | 6.48% | 23.74% | -8.25% | 12.60% | -10.59% | 10.10% |
Returns By Period
In the year-to-date period, DIAMX achieves a -6.15% return, which is significantly lower than BPIRX's -2.07% return. Over the past 10 years, DIAMX has outperformed BPIRX with an annualized return of 6.91%, while BPIRX has yielded a comparatively lower 6.41% annualized return.
DIAMX
- 1D
- 0.24%
- 1M
- -5.62%
- YTD
- -6.15%
- 6M
- -1.36%
- 1Y
- 8.51%
- 3Y*
- 10.97%
- 5Y*
- 6.54%
- 10Y*
- 6.91%
BPIRX
- 1D
- -0.36%
- 1M
- -6.46%
- YTD
- -2.07%
- 6M
- -0.58%
- 1Y
- 10.96%
- 3Y*
- 11.03%
- 5Y*
- 10.53%
- 10Y*
- 6.41%
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DIAMX vs. BPIRX - Expense Ratio Comparison
DIAMX has a 1.36% expense ratio, which is lower than BPIRX's 1.40% expense ratio.
Return for Risk
DIAMX vs. BPIRX — Risk / Return Rank
DIAMX
BPIRX
DIAMX vs. BPIRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Diamond Hill Long-Short Fund (DIAMX) and Boston Partners Long/Short Research Fund (BPIRX). 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.
| DIAMX | BPIRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.92 | 1.09 | -0.17 |
Sortino ratioReturn per unit of downside risk | 1.38 | 1.53 | -0.15 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.23 | -0.03 |
Calmar ratioReturn relative to maximum drawdown | 1.11 | 1.50 | -0.39 |
Martin ratioReturn relative to average drawdown | 4.12 | 6.17 | -2.05 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| DIAMX | BPIRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.92 | 1.09 | -0.17 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.62 | 0.92 | -0.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.54 | 0.55 | -0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.47 | 0.68 | -0.21 |
Correlation
The correlation between DIAMX and BPIRX is 0.83, 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
DIAMX vs. BPIRX - Dividend Comparison
DIAMX's dividend yield for the trailing twelve months is around 1.48%, less than BPIRX's 10.88% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DIAMX Diamond Hill Long-Short Fund | 1.48% | 1.39% | 9.52% | 4.03% | 5.07% | 10.81% | 0.97% | 6.32% | 4.94% | 2.15% | 3.42% | 0.48% |
BPIRX Boston Partners Long/Short Research Fund | 10.88% | 10.65% | 11.38% | 11.29% | 20.90% | 12.51% | 0.00% | 2.28% | 5.50% | 0.00% | 0.00% | 3.88% |
Drawdowns
DIAMX vs. BPIRX - Drawdown Comparison
The maximum DIAMX drawdown since its inception was -40.92%, which is greater than BPIRX's maximum drawdown of -30.59%. Use the drawdown chart below to compare losses from any high point for DIAMX and BPIRX.
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Drawdown Indicators
| DIAMX | BPIRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -40.92% | -30.59% | -10.33% |
Max Drawdown (1Y)Largest decline over 1 year | -7.02% | -7.09% | +0.07% |
Max Drawdown (5Y)Largest decline over 5 years | -16.96% | -15.42% | -1.54% |
Max Drawdown (10Y)Largest decline over 10 years | -31.57% | -30.59% | -0.98% |
Current DrawdownCurrent decline from peak | -6.79% | -6.46% | -0.33% |
Average DrawdownAverage peak-to-trough decline | -6.86% | -3.88% | -2.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.89% | 1.72% | +0.17% |
Volatility
DIAMX vs. BPIRX - Volatility Comparison
The current volatility for Diamond Hill Long-Short Fund (DIAMX) is 2.22%, while Boston Partners Long/Short Research Fund (BPIRX) has a volatility of 2.91%. This indicates that DIAMX experiences smaller price fluctuations and is considered to be less risky than BPIRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DIAMX | BPIRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.22% | 2.91% | -0.69% |
Volatility (6M)Calculated over the trailing 6-month period | 4.86% | 6.26% | -1.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.20% | 10.57% | -0.37% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.54% | 11.49% | -0.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.94% | 11.64% | +1.30% |