RMMBX vs. BGSAX
RMMBX (Aspiriant Risk-Managed Municipal Bond Fund) and BGSAX (BlackRock Technology Opportunities Fund Investor A) are both mutual funds - RMMBX is a Municipal Bonds fund managed by BlackRock, while BGSAX is a Technology Equities fund managed by BlackRock. Over the past 10 years, RMMBX returned 2.14%/yr vs 25.97%/yr for BGSAX. At a 0.04 correlation, their price movements are largely independent. RMMBX charges 0.42%/yr vs 1.20%/yr for BGSAX.
Performance
RMMBX vs. BGSAX - Performance Comparison
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Returns By Period
In the year-to-date period, RMMBX achieves a 1.40% return, which is significantly lower than BGSAX's 43.57% return. Over the past 10 years, RMMBX has underperformed BGSAX with an annualized return of 2.14%, while BGSAX has yielded a comparatively higher 25.97% annualized return.
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%
BGSAX
- 1D
- 4.46%
- 1M
- 9.11%
- YTD
- 43.57%
- 6M
- 43.11%
- 1Y
- 67.10%
- 3Y*
- 38.82%
- 5Y*
- 16.37%
- 10Y*
- 25.97%
RMMBX vs. BGSAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
BGSAX BlackRock Technology Opportunities Fund Investor A | 43.57% | 19.63% | 40.56% | 49.09% | -43.13% | 8.19% | 86.27% | 43.84% | 2.03% | 49.45% |
Correlation
The correlation between RMMBX and BGSAX is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.11 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.11 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.12 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.06 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | 0.04 |
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Return for Risk
RMMBX vs. BGSAX — Risk / Return Rank
RMMBX
BGSAX
RMMBX vs. BGSAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Aspiriant Risk-Managed Municipal Bond Fund (RMMBX) and BlackRock Technology Opportunities Fund Investor A (BGSAX). 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.
| RMMBX | BGSAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.21 | ||
| Sortino ratioReturn per unit of downside risk | +0.73 | ||
| Omega ratioGain probability vs. loss probability | 1.69 | 1.40 | +0.29 |
| Calmar ratioReturn relative to maximum drawdown | 2.14 | 3.57 | -1.43 |
| Martin ratioReturn relative to average drawdown | 7.58 | 10.42 | -2.84 |
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Drawdowns
RMMBX vs. BGSAX - Drawdown Comparison
The maximum RMMBX drawdown since its inception was -13.67%, smaller than the maximum BGSAX drawdown of -73.75%. Use the drawdown chart below to compare losses from any high point for RMMBX and BGSAX.
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Drawdown Indicators
| RMMBX | BGSAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.67% | -73.75% | +60.08% |
Max Drawdown (1Y)Largest decline over 1 year | -2.86% | -18.49% | +15.63% |
Max Drawdown (3Y)Largest decline over 3 years | -6.80% | -27.75% | +20.95% |
Max Drawdown (5Y)Largest decline over 5 years | -13.67% | -49.22% | +35.55% |
Max Drawdown (10Y)Largest decline over 10 years | -13.67% | -49.22% | +35.55% |
Current DrawdownCurrent decline from peak | -0.42% | -0.29% | -0.13% |
Average DrawdownAverage peak-to-trough decline | -2.71% | -26.33% | +23.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.81% | 6.32% | -5.51% |
Volatility
RMMBX vs. BGSAX - Volatility Comparison
The current volatility for Aspiriant Risk-Managed Municipal Bond Fund (RMMBX) is 0.54%, while BlackRock Technology Opportunities Fund Investor A (BGSAX) has a volatility of 14.41%. This indicates that RMMBX experiences smaller price fluctuations and is considered to be less risky than BGSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RMMBX | BGSAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.54% | 14.41% | -13.87% |
Volatility (6M)Calculated over the trailing 6-month period | 1.86% | 23.82% | -21.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.38% | 27.87% | -25.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.89% | 28.32% | -24.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.74% | 26.19% | -22.45% |
RMMBX vs. BGSAX - Expense Ratio Comparison
RMMBX has a 0.42% expense ratio, which is lower than BGSAX's 1.20% expense ratio.
Dividends
RMMBX vs. BGSAX - Dividend Comparison
RMMBX's dividend yield for the trailing twelve months is around 2.84%, less than BGSAX's 9.44% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
BGSAX BlackRock Technology Opportunities Fund Investor A | 9.44% | 13.55% | 8.68% | 0.00% | 0.00% | 7.66% | 4.86% | 1.50% | 1.24% | 8.01% | 1.17% |
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% |
Frequently Asked Questions
RMMBX and BGSAX have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BGSAX has higher volatility (14.41%) compared to RMMBX (0.54%). In terms of maximum drawdown, RMMBX dropped -13.67% vs BGSAX's -73.75%.
RMMBX currently has the higher Sharpe Ratio (2.57 vs 2.37), 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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