RMTBX vs. BDMIX
RMTBX (Aspiriant Risk-Managed Taxable Bond Fund) and BDMIX (BlackRock Global Equity Market Neutral Fund Class I) are both mutual funds - RMTBX is a Intermediate Core-Plus Bond fund managed by BlackRock, while BDMIX is a Equity Market Neutral fund managed by BlackRock. Over the past 5 years, RMTBX returned 0.23%/yr vs 13.14%/yr for BDMIX. Their 0.01 correlation means their historical movements had little consistent relationship. RMTBX charges 0.69%/yr vs 1.34%/yr for BDMIX.
Performance
RMTBX vs. BDMIX - Performance Comparison
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Returns By Period
In the year-to-date period, RMTBX achieves a -0.65% return, which is significantly lower than BDMIX's 12.04% return.
RMTBX
- 1D
- 0.00%
- 1M
- -0.82%
- 6M
- -1.11%
- YTD
- -0.65%
- 1Y
- 2.36%
- 3Y*
- 3.55%
- 5Y*
- 0.23%
- 10Y*
- —
- ALL TIME*
- 1.95%
BDMIX
- 1D
- 1.13%
- 1M
- 1.65%
- 6M
- 10.90%
- YTD
- 12.04%
- 1Y
- 23.58%
- 3Y*
- 20.48%
- 5Y*
- 13.14%
- 10Y*
- 8.48%
- ALL TIME*
- 6.87%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
RMTBX vs. BDMIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
RMTBX Aspiriant Risk-Managed Taxable Bond Fund | -0.65% | 7.25% | 0.54% | 7.76% | -11.67% | -0.57% | 6.63% | 7.63% | 0.91% |
BDMIX BlackRock Global Equity Market Neutral Fund Class I | 12.04% | 18.30% | 21.39% | 14.55% | 1.80% | 3.34% | 0.29% | -0.85% | 3.05% |
Correlation
The correlation between RMTBX and BDMIX is 0.01, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.01 |
Correlation (3Y) Balances recent behavior with more history. | -0.01 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.00 |
Correlation (All Time) Calculated using the full available price history since Mar 29, 2018 | 0.01 |
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Return for Risk
RMTBX vs. BDMIX — Risk / Return Rank
RMTBX
BDMIX
RMTBX vs. BDMIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Aspiriant Risk-Managed Taxable Bond Fund (RMTBX) and BlackRock Global Equity Market Neutral Fund Class I (BDMIX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| RMTBX | BDMIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.40 | ||
| Sortino ratioReturn per unit of downside risk | -3.50 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.61 | -0.45 |
| Calmar ratioReturn relative to maximum drawdown | 0.88 | 7.38 | -6.50 |
| Martin ratioReturn relative to average drawdown | 2.15 | 19.61 | -17.46 |
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Drawdowns
RMTBX vs. BDMIX - Drawdown Comparison
The maximum RMTBX drawdown since its inception was -17.19%, which is greater than BDMIX's maximum drawdown of -11.89%. Use the drawdown chart below to compare losses from any high point for RMTBX and BDMIX.
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Drawdown Indicators
| RMTBX | BDMIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.19% | -11.89% | -5.30% |
Max Drawdown (1Y)Largest decline over 1 year | -3.52% | -3.24% | -0.28% |
Max Drawdown (3Y)Largest decline over 3 years | -6.24% | -4.07% | -2.17% |
Max Drawdown (5Y)Largest decline over 5 years | -17.19% | -5.23% | -11.96% |
Max Drawdown (10Y)Largest decline over 10 years | — | -9.44% | — |
Current DrawdownCurrent decline from peak | -2.57% | -1.06% | -1.51% |
Average DrawdownAverage peak-to-trough decline | -4.02% | -2.67% | -1.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.44% | 1.22% | +0.22% |
Volatility
RMTBX vs. BDMIX - Volatility Comparison
The current volatility for Aspiriant Risk-Managed Taxable Bond Fund (RMTBX) is 0.94%, while BlackRock Global Equity Market Neutral Fund Class I (BDMIX) has a volatility of 2.53%. This indicates that RMTBX experiences smaller price fluctuations and is considered to be less risky than BDMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RMTBX | BDMIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.94% | 2.53% | -1.59% |
Volatility (6M)Calculated over the trailing 6-month period | 3.03% | 5.37% | -2.34% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.66% | 7.39% | -3.73% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.55% | 6.68% | -1.13% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.74% | 5.90% | -1.16% |
RMTBX vs. BDMIX - Expense Ratio Comparison
RMTBX has a 0.69% expense ratio, which is lower than BDMIX's 1.34% expense ratio.
Dividends
RMTBX vs. BDMIX - Dividend Comparison
RMTBX's dividend yield for the trailing twelve months is around 3.46%, less than BDMIX's 11.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDMIX BlackRock Global Equity Market Neutral Fund Class I | 11.55% | 8.94% | 13.26% | 7.42% | 0.00% | 1.23% | 0.30% | 6.78% | 0.94% | 0.00% | 0.00% | 1.86% |
RMTBX Aspiriant Risk-Managed Taxable Bond Fund | 3.46% | 3.34% | 3.13% | 5.19% | 4.47% | 4.35% | 5.40% | 3.38% | 2.43% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
RMTBX and BDMIX have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BDMIX has higher volatility (2.53%) compared to RMTBX (0.94%). In terms of maximum drawdown, RMTBX dropped -17.19% vs BDMIX's -11.89%.
BDMIX currently has the higher Sharpe Ratio (3.24 vs 0.85), 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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