MAMB vs. BNDI

Last updated Apr 1, 2026

Compare and contrast key facts about Monarch Ambassador Income ETF (MAMB) and Neos Enhanced Income Aggregate Bond ETF (BNDI).

MAMB and BNDI are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MAMB is a passively managed fund by Monarch that tracks the performance of the Monarch Ambassador Income Index. It was launched on Mar 23, 2021. BNDI is an actively managed fund by Neos. It was launched on Aug 29, 2022.

Performance

MAMB vs. BNDI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Monarch Ambassador Income ETF (MAMB) and Neos Enhanced Income Aggregate Bond ETF (BNDI). The values are adjusted to include any dividend payments, if applicable.

MAMB vs. BNDI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
MAMB Monarch Ambassador Income ETF	1.19%	10.69%	1.32%	4.90%	-2.36%
BNDI Neos Enhanced Income Aggregate Bond ETF	0.68%	7.95%	1.74%	6.89%	-2.60%

Returns By Period

In the year-to-date period, MAMB achieves a 1.19% return, which is significantly higher than BNDI's 0.68% return.

MAMB

• 1D: 0.75%
• 1M: -2.44%
• YTD: 1.19%
• 6M: 3.06%
• 1Y: 8.39%
• 3Y*: 4.79%
• 5Y*: 0.88%
• 10Y*: —

BNDI

• 1D: 0.72%
• 1M: -1.44%
• YTD: 0.68%
• 6M: 2.04%
• 1Y: 6.09%
• 3Y*: 4.40%
• 5Y*: —
• 10Y*: —

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

MAMB vs. BNDI - Expense Ratio Comparison

MAMB has a 1.49% expense ratio, which is higher than BNDI's 0.58% expense ratio.

MAMB

Monarch Ambassador Income ETF

BNDI

Neos Enhanced Income Aggregate Bond ETF

Return for Risk

MAMB vs. BNDI — Risk / Return Rank

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

MAMB

MAMB Risk / Return Rank: 75
MAMB Sharpe Ratio Rank: 75
MAMB Sortino Ratio Rank: 75
MAMB Omega Ratio Rank: 67
MAMB Calmar Ratio Rank: 83
MAMB Martin Ratio Rank: 73

BNDI

BNDI Risk / Return Rank: 71
BNDI Sharpe Ratio Rank: 72
BNDI Sortino Ratio Rank: 71
BNDI Omega Ratio Rank: 65
BNDI Calmar Ratio Rank: 76
BNDI Martin Ratio Rank: 74

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.

MAMB vs. BNDI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Monarch Ambassador Income ETF (MAMB) and Neos Enhanced Income Aggregate Bond ETF (BNDI). 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.

	MAMB	BNDI	Difference
Sharpe ratio Return per unit of total volatility	1.38	1.25	+0.13
Sortino ratio Return per unit of downside risk	1.95	1.75	+0.20
Omega ratio Gain probability vs. loss probability	1.25	1.23	+0.02
Calmar ratio Return relative to maximum drawdown	2.43	1.95	+0.47
Martin ratio Return relative to average drawdown	7.82	7.42	+0.40
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MAMB vs. BNDI - Sharpe Ratio Comparison

The current MAMB Sharpe Ratio is 1.38, which is comparable to the BNDI Sharpe Ratio of 1.25. The chart below compares the historical Sharpe Ratios of MAMB and BNDI, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MAMB	BNDI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.38	1.25	+0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.13	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.14	0.64	-0.50

Correlation

The correlation between MAMB and BNDI is 0.91, 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

MAMB vs. BNDI - Dividend Comparison

MAMB's dividend yield for the trailing twelve months is around 2.46%, less than BNDI's 5.73% yield.

	TTM	2025	2024	2023	2022	2021
MAMB Monarch Ambassador Income ETF	2.46%	2.47%	2.11%	1.73%	0.92%	0.56%
BNDI Neos Enhanced Income Aggregate Bond ETF	5.73%	5.69%	5.54%	5.17%	1.68%	0.00%

Drawdowns

MAMB vs. BNDI - Drawdown Comparison

The maximum MAMB drawdown since its inception was -19.33%, which is greater than BNDI's maximum drawdown of -6.98%. Use the drawdown chart below to compare losses from any high point for MAMB and BNDI.

Drawdown Indicators

	MAMB	BNDI	Difference
Max Drawdown Largest peak-to-trough decline	-19.33%	-6.98%	-12.35%
Max Drawdown (1Y) Largest decline over 1 year	-3.55%	-3.37%	-0.18%
Max Drawdown (5Y) Largest decline over 5 years	-19.33%	—	—
Current Drawdown Current decline from peak	-2.44%	-1.44%	-1.00%
Average Drawdown Average peak-to-trough decline	-7.70%	-1.75%	-5.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.10%	0.89%	+0.21%

Volatility

MAMB vs. BNDI - Volatility Comparison

Monarch Ambassador Income ETF (MAMB) has a higher volatility of 2.34% compared to Neos Enhanced Income Aggregate Bond ETF (BNDI) at 2.07%. This indicates that MAMB's price experiences larger fluctuations and is considered to be riskier than BNDI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MAMB	BNDI	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.34%	2.07%	+0.27%
Volatility (6M) Calculated over the trailing 6-month period	4.29%	2.85%	+1.44%
Volatility (1Y) Calculated over the trailing 1-year period	6.09%	4.91%	+1.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.97%	6.27%	+0.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.96%	6.27%	+0.69%