BNDP vs. MAMB

Last updated Apr 2, 2026

Compare and contrast key facts about Vanguard Core-Plus Bond Index ETF (BNDP) and Monarch Ambassador Income ETF (MAMB).

BNDP and MAMB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BNDP is a passively managed fund by Vanguard that tracks the performance of the Bloomberg U.S. Universal Float Adjusted Index. It was launched on Dec 2, 2025. 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. Both BNDP and MAMB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

BNDP vs. MAMB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Core-Plus Bond Index ETF (BNDP) and Monarch Ambassador Income ETF (MAMB). The values are adjusted to include any dividend payments, if applicable.

BNDP vs. MAMB - Yearly Performance Comparison

	2026 (YTD)	2025
BNDP Vanguard Core-Plus Bond Index ETF	-0.18%	0.10%
MAMB Monarch Ambassador Income ETF	1.19%	0.10%

Returns By Period

In the year-to-date period, BNDP achieves a -0.18% return, which is significantly lower than MAMB's 1.19% return.

BNDP

• 1D: 0.01%
• 1M: -1.44%
• YTD: -0.18%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MAMB

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

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

BNDP vs. MAMB - Expense Ratio Comparison

BNDP has a 0.05% expense ratio, which is lower than MAMB's 1.49% expense ratio.

MAMB

Monarch Ambassador Income ETF

BNDP

Vanguard Core-Plus Bond Index ETF

Return for Risk

BNDP vs. MAMB — 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

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.

BNDP vs. MAMB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Core-Plus Bond Index ETF (BNDP) and Monarch Ambassador Income ETF (MAMB). 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.

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

Sharpe Ratios by Period

	BNDP	MAMB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.38	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.13	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.08	0.14	-0.22

Correlation

The correlation between BNDP and MAMB is 0.76, 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

BNDP vs. MAMB - Dividend Comparison

BNDP's dividend yield for the trailing twelve months is around 1.32%, less than MAMB's 2.46% yield.

	TTM	2025	2024	2023	2022	2021
BNDP Vanguard Core-Plus Bond Index ETF	1.32%	0.24%	0.00%	0.00%	0.00%	0.00%
MAMB Monarch Ambassador Income ETF	2.46%	2.47%	2.11%	1.73%	0.92%	0.56%

Drawdowns

BNDP vs. MAMB - Drawdown Comparison

The maximum BNDP drawdown since its inception was -2.56%, smaller than the maximum MAMB drawdown of -19.33%. Use the drawdown chart below to compare losses from any high point for BNDP and MAMB.

Drawdown Indicators

	BNDP	MAMB	Difference
Max Drawdown Largest peak-to-trough decline	-2.56%	-19.33%	+16.77%
Max Drawdown (1Y) Largest decline over 1 year	—	-3.55%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-19.33%	—
Current Drawdown Current decline from peak	-1.82%	-2.44%	+0.62%
Average Drawdown Average peak-to-trough decline	-0.54%	-7.70%	+7.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.10%	—

Volatility

Volatility by Period

	BNDP	MAMB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.34%	—
Volatility (6M) Calculated over the trailing 6-month period	—	4.29%	—
Volatility (1Y) Calculated over the trailing 1-year period	3.63%	6.09%	-2.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.63%	6.97%	-3.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.63%	6.96%	-3.33%