RMMBX vs. BATVX

Last updated Jun 23, 2026

RMMBX (Aspiriant Risk-Managed Municipal Bond Fund) and BATVX (BlackRock Allocation Target Shares) are both Municipal Bonds funds from BlackRock. Over the past 5 years, RMMBX returned 0.57%/yr vs 1.51%/yr for BATVX. At a 0.06 correlation, their price movements are largely independent. RMMBX charges 0.42%/yr vs 0.00%/yr for BATVX.

Performance

RMMBX vs. BATVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aspiriant Risk-Managed Municipal Bond Fund (RMMBX) and BlackRock Allocation Target Shares (BATVX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RMMBX achieves a 1.40% return, which is significantly higher than BATVX's 0.97% 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%

BATVX

• 1D: 0.00%
• 1M: 0.20%
• YTD: 0.97%
• 6M: 1.22%
• 1Y: 2.58%
• 3Y*: 2.47%
• 5Y*: 1.51%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

RMMBX vs. BATVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RMMBX Aspiriant Risk-Managed Municipal Bond Fund	1.40%	2.39%	1.90%	5.43%	-8.40%	1.34%
BATVX BlackRock Allocation Target Shares	0.97%	2.80%	2.48%	1.41%	-0.10%	0.00%

Correlation

The correlation between RMMBX and BATVX is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.15
Correlation (3Y) Calculated over the trailing 3-year period	0.05
Correlation (5Y) Calculated over the trailing 5-year period	0.06
Correlation (All Time) Calculated using the full available price history since May 25, 2021	0.06

The correlation between RMMBX and BATVX shifts across timeframes, from 0.05 (3 years) to 0.15 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RMMBX vs. BATVX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RMMBX

RMMBX Risk / Return Rank: 67
RMMBX Sharpe Ratio Rank: 85
RMMBX Sortino Ratio Rank: 83
RMMBX Omega Ratio Rank: 93
RMMBX Calmar Ratio Rank: 36
RMMBX Martin Ratio Rank: 36

BATVX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RMMBX vs. BATVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aspiriant Risk-Managed Municipal Bond Fund (RMMBX) and BlackRock Allocation Target Shares (BATVX). 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	BATVX	Difference
Sharpe ratio: Return per unit of total volatility	2.57	3.57	-1.00
Sortino ratio: Return per unit of downside risk	3.62	—	—
Omega ratio: Gain probability vs. loss probability	1.69	—	—
Calmar ratio: Return relative to maximum drawdown	2.14	—	—
Martin ratio: Return relative to average drawdown	7.58	—	—

RMMBX vs. BATVX - Sharpe Ratio Comparison

The current RMMBX Sharpe Ratio is 2.57, which is comparable to the BATVX Sharpe Ratio of 3.57. The chart below compares the historical Sharpe Ratios of RMMBX and BATVX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

RMMBX vs. BATVX - Drawdown Comparison

The maximum RMMBX drawdown since its inception was -13.67%, which is greater than BATVX's maximum drawdown of -0.20%. Use the drawdown chart below to compare losses from any high point for RMMBX and BATVX.

Drawdown Indicators

	RMMBX	BATVX	Difference
Max Drawdown Largest peak-to-trough decline	-13.67%	-0.20%	-13.47%
Max Drawdown (1Y) Largest decline over 1 year	-2.86%	0.00%	-2.86%
Max Drawdown (3Y) Largest decline over 3 years	-6.80%	-0.10%	-6.70%
Max Drawdown (5Y) Largest decline over 5 years	-13.67%	-0.20%	-13.47%
Max Drawdown (10Y) Largest decline over 10 years	-13.67%	—	—
Current Drawdown Current decline from peak	-0.42%	0.00%	-0.42%
Average Drawdown Average peak-to-trough decline	-2.71%	-0.03%	-2.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.81%	0.00%	+0.81%

Volatility

RMMBX vs. BATVX - Volatility Comparison

Aspiriant Risk-Managed Municipal Bond Fund (RMMBX) has a higher volatility of 0.54% compared to BlackRock Allocation Target Shares (BATVX) at 0.20%. This indicates that RMMBX's price experiences larger fluctuations and is considered to be riskier than BATVX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RMMBX	BATVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.54%	0.20%	+0.34%
Volatility (6M) Calculated over the trailing 6-month period	1.86%	0.49%	+1.37%
Volatility (1Y) Calculated over the trailing 1-year period	2.38%	0.73%	+1.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.89%	0.64%	+3.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.74%	0.63%	+3.11%

RMMBX vs. BATVX - Expense Ratio Comparison

RMMBX has a 0.42% expense ratio, which is higher than BATVX's 0.00% expense ratio.

Dividends

RMMBX vs. BATVX - Dividend Comparison

RMMBX's dividend yield for the trailing twelve months is around 2.84%, more than BATVX's 2.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
BATVX BlackRock Allocation Target Shares	2.55%	2.76%	2.44%	1.40%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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

Can I hold both RMMBX and BATVX in my portfolio?

RMMBX and BATVX have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RMMBX or BATVX?

RMMBX has higher volatility (0.54%) compared to BATVX (0.20%). In terms of maximum drawdown, RMMBX dropped -13.67% vs BATVX's -0.20%.

Which has better risk-adjusted returns?

BATVX currently has the higher Sharpe Ratio (3.57 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.