BDMIX vs. RMMBX
BDMIX (BlackRock Global Long/Short Equity Fund Class I) and RMMBX (Aspiriant Risk-Managed Municipal Bond Fund) are both mutual funds - BDMIX is a Long-Short fund managed by BlackRock, while RMMBX is a Municipal Bonds fund managed by BlackRock. Over the past 10 years, BDMIX returned 8.56%/yr vs 2.14%/yr for RMMBX. At a correlation of -0.02, they often move in opposite directions. BDMIX charges 1.57%/yr vs 0.42%/yr for RMMBX.
Performance
BDMIX vs. RMMBX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BDMIX achieves a 12.96% return, which is significantly higher than RMMBX's 1.40% return. Over the past 10 years, BDMIX has outperformed RMMBX with an annualized return of 8.56%, while RMMBX has yielded a comparatively lower 2.14% annualized return.
BDMIX
- 1D
- -0.24%
- 1M
- 3.39%
- YTD
- 12.96%
- 6M
- 12.42%
- 1Y
- 23.99%
- 3Y*
- 21.59%
- 5Y*
- 13.31%
- 10Y*
- 8.56%
RMMBX
- 1D
- 0.11%
- 1M
- 1.51%
- YTD
- 1.40%
- 6M
- 1.59%
- 1Y
- 5.98%
- 3Y*
- 2.80%
- 5Y*
- 0.57%
- 10Y*
- 2.14%
BDMIX vs. RMMBX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BDMIX BlackRock Global Long/Short Equity Fund Class I | 12.96% | 18.30% | 21.39% | 14.55% | 1.80% | 3.34% | 0.29% | -0.85% | 2.20% | 12.85% |
RMMBX Aspiriant Risk-Managed Municipal Bond Fund | 1.40% | 2.39% | 1.90% | 5.43% | -8.40% | 3.24% | 4.88% | 7.68% | 1.28% | 5.65% |
Correlation
The correlation between BDMIX and RMMBX is -0.00, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.00 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.03 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.00 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.01 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | -0.02 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BDMIX vs. RMMBX — Risk / Return Rank
BDMIX
RMMBX
BDMIX vs. RMMBX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Global Long/Short Equity Fund Class I (BDMIX) and Aspiriant Risk-Managed Municipal Bond Fund (RMMBX). 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.
| BDMIX | RMMBX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.72 | ||
| Sortino ratioReturn per unit of downside risk | +1.21 | ||
| Omega ratioGain probability vs. loss probability | 1.62 | 1.69 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | 7.22 | 2.14 | +5.08 |
| Martin ratioReturn relative to average drawdown | 20.52 | 7.58 | +12.94 |
Loading charts...
Drawdowns
BDMIX vs. RMMBX - Drawdown Comparison
The maximum BDMIX drawdown since its inception was -11.89%, smaller than the maximum RMMBX drawdown of -13.67%. Use the drawdown chart below to compare losses from any high point for BDMIX and RMMBX.
Loading charts...
Drawdown Indicators
| BDMIX | RMMBX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -11.89% | -13.67% | +1.78% |
Max Drawdown (1Y)Largest decline over 1 year | -3.24% | -2.86% | -0.38% |
Max Drawdown (3Y)Largest decline over 3 years | -4.07% | -6.80% | +2.73% |
Max Drawdown (5Y)Largest decline over 5 years | -5.99% | -13.67% | +7.68% |
Max Drawdown (10Y)Largest decline over 10 years | -9.44% | -13.67% | +4.23% |
Current DrawdownCurrent decline from peak | -0.24% | -0.42% | +0.18% |
Average DrawdownAverage peak-to-trough decline | -2.67% | -2.71% | +0.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.14% | 0.81% | +0.33% |
Volatility
BDMIX vs. RMMBX - Volatility Comparison
BlackRock Global Long/Short Equity Fund Class I (BDMIX) has a higher volatility of 2.73% compared to Aspiriant Risk-Managed Municipal Bond Fund (RMMBX) at 0.54%. This indicates that BDMIX's price experiences larger fluctuations and is considered to be riskier than RMMBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BDMIX | RMMBX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.73% | 0.54% | +2.19% |
Volatility (6M)Calculated over the trailing 6-month period | 4.80% | 1.86% | +2.94% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.10% | 2.38% | +4.72% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.58% | 3.89% | +2.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.85% | 3.74% | +2.11% |
BDMIX vs. RMMBX - Expense Ratio Comparison
BDMIX has a 1.57% expense ratio, which is higher than RMMBX's 0.42% expense ratio.
Dividends
BDMIX vs. RMMBX - Dividend Comparison
BDMIX's dividend yield for the trailing twelve months is around 7.91%, more than RMMBX's 2.84% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDMIX BlackRock Global Long/Short Equity Fund Class I | 7.91% | 8.94% | 13.26% | 7.42% | 0.00% | 1.23% | 0.30% | 6.78% | 0.94% | 0.00% | 0.00% | 1.86% |
RMMBX Aspiriant Risk-Managed Municipal Bond Fund | 2.84% | 2.88% | 2.66% | 2.97% | 3.76% | 4.00% | 3.39% | 3.46% | 3.08% | 3.00% | 2.22% | 0.00% |
Frequently Asked Questions
BDMIX and RMMBX have a correlation of -0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BDMIX has higher volatility (2.73%) compared to RMMBX (0.54%). In terms of maximum drawdown, BDMIX dropped -11.89% vs RMMBX's -13.67%.
BDMIX currently has the higher Sharpe Ratio (3.30 vs 2.57), 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.
Find the right allocation for BDMIX and RMMBX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer